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A lithium battery pack immersion cooling module for energy storage containers that provides 100% heat dissipation coverage for the battery pack by fully immersing it in a cooling liquid.
Based on our comprehensive review, we have outlined the prospective applications of optimized liquid-cooled Battery Thermal Management Systems (BTMS) in future lithium-ion batteries. This encompasses advancements in cooling liquid selection, system design, and integration of novel materials and technologies.
Immersed liquid-cooled battery system that provides higher cooling efficiency and simplifies battery manufacturing compared to conventional liquid cooling methods. The system involves enclosing multiple battery cells in a sealed box and immersing them directly in a cooling medium.
To ensure the safety and service life of the lithium-ion battery system, it is necessary to develop a high-efficiency liquid cooling system that maintains the battery's temperature within an appropriate range. 2. Why do lithium-ion batteries fear low and high temperatures?
However, lithium-ion batteries are temperature-sensitive, and a battery thermal management system (BTMS) is an essential component of commercial lithium-ion battery energy storage systems. Liquid cooling, due to its high thermal conductivity, is widely used in battery thermal management systems.
Under this trend, lithium-ion batteries, as a new type of energy storage device, are attracting more and more attention and are widely used due to their many significant advantages.
An immersion cooling system for lithium-ion battery packs that uses glycol-based coolant and a sealed case to cool the batteries uniformly and efficiently. The battery pack has cells held by cell holders inside a sealed case filled with coolant. The coolant surrounds the cells and circulates to extract heat.
The steel material for this battery is physically stable with its stress resistance higher than aluminum shell material. It is mostly used as the shell material of cylindrical lithium batteries. Structure of Steel Sheel Battery In. The aluminum shell is a battery shell made of aluminum alloy material. It is mainly used in square lithium batteries. They are environmentally friendly and lighter than steel shell batteries while having strong plasticity and stable. The pouch-cell battery (soft pack battery) is a liquid lithium-ion battery covered with a polymer shell. The biggest difference from other batteries is its.
The shell materials used in lithium batteries on the market can be roughly divided into three types: steel shell, aluminum shell and pouch cell (i.e. aluminum plastic film, soft pack). We will explore the characteristics, applications and differences between them in this article.
Aluminum shell batteries are the main shell material of liquid lithium batteries, which is used in almost all areas involved. The pouch-cell battery (soft pack battery) is a liquid lithium-ion battery covered with a polymer shell.
The following companies are recognized as leading players in the lithium battery industry: CATL, BYD, EVE, Guoxuan Hi-Tech, Penghui Energy, Chuaneng Power, Sunwoda, and AVIC Lithium Battery. For more information, you can also refer to other related best lists about lithium batteries.
It is mainly used in square lithium batteries. They are environmentally friendly and lighter than steel shell batteries while having strong plasticity and stable chemical properties. Generally, the material of the aluminum shell is aluminum-manganese alloy, and its main alloy components are Mn, Cu, Mg, Si, and Fe.
The steel material for this battery is physically stable with its stress resistance higher than aluminum shell material. It is mostly used as the shell material of cylindrical lithium batteries. Structure of Steel Sheel Battery
At present, most laptops use steel-shell batteries, but it is also used in toy models and power tools. The aluminum shell is a battery shell made of aluminum alloy material. It is mainly used in square lithium batteries.
When it comes to lithium batteries, there's a longstanding myth that they need an initial “activation” process involving charging for over 12 hours, repeated three times.
A regular deep discharge of a lithium battery is beneficial to "activating" the lithium battery and can slightly increase the capacity of the lithium battery. Perform a full discharge of the lithium battery on a regular basis. The full discharge is the first under-voltage protection after cycling under normal load on a flat road.
The activation stage of lithium battery pack includesprecharge, formation, aging, constant capacityand so on. There are two main factors influencing the performance of lithium battery pack, namely aging temperature and aging time. What's more, it is important that the battery tested in the aging test chamber is in a sealed state.
Lithium batteries with a mass of 12 kg (26.5 lbs) or more, having a strong, impact-resistant outer casing, may be packed in strong outer packaging (such as crates) or banded to pallets or other handling devices instead of using UN specification packages.
Sealing - In addition to filling and degassing, you will also need vacuum to seal the lithium-ion batteries. Vacuum removes moisture, air, and any impurities in the battery before packing. You will notice that lithium-ion batteries have plastic wraps packed tightly around them. This is done using vacuum pumps.
At PACK & SEND we can provide you with a complete packing and delivery service for lithium battery-powered equipment within the constraints of international regulations but be aware that this is a specialist and costly service and not appropriate for domestic lithium batteries not contained in their equipment.
Do not boost lithium-based batteries back to life that have dwelled below 1.5V/cell for a week or longer. Copper shunts may have formed inside the cells that can lead to a partial or total electrical short. When recharging, such a cell might become unstable, causing excessive heat or show other anomalies.
A battery is made up of an anode, cathode, separator, electrolyte, and two current collectors (positive and negative). The anode and cathode store the lithium. The electrolyte carries positively charged lithium ions from the anode to the cathode and vice versa through the separator. The movement of the lithium ions. While the battery is discharging and providing an electric current, the anode releases lithium ions to the cathode, generating a flow of electrons from one side to the other. When plugging in the device, the opposite. The two most common concepts associated with batteries are energy density and power density. Energy density is measured in watt-hours per kilogram (Wh/kg) and is the amount of energy the battery can store with.
This means that during the charging and discharging process, the lithium ions move back and forth between the two electrodes of the battery, which is why the working principle of a lithium-ion battery is called the rocking chair principle. A battery typically consists of two electrodes, namely, anode and cathode.
What happens in a lithium-ion battery when charging (© 2019 Let's Talk Science based on an image by ser_igor via iStockphoto). When the battery is charging, the lithium ions flow from the cathode to the anode, and the electrons move from the anode to the cathode.
Here is the full reaction (left to right = discharging, right to left = charging): LiC 6 + CoO 2 ⇄ C 6 + LiCoO 2 How does recharging a lithium-ion battery work? When the lithium-ion battery in your mobile phone is powering it, positively charged lithium ions (Li+) move from the negative anode to the positive cathode.
The charging and discharging of lithium ion battery is actually the reciprocating motion process of lithium ions and electrons. When charging, apply power to the battery to let lithium ions and electrons go to the graphite layer along different paths. At this time, lithium atoms It is very unstable.
Simply storing lithium-ion batteries in the charged state also reduces their capacity (the amount of cyclable Li+) and increases the cell resistance (primarily due to the continuous growth of the solid electrolyte interface on the anode).
Lithium batteries are one of the best rechargeable batteries that can be used repeatedly. It has a wide range of applications, such as mobile phone batteries, power banks, and electric vehicle batteries. etc. So, how does the charging and discharging of lithium ion battery works?
Your Apple Watch, AirPods, and GoPro are all wearable tech gadgets that run on lithium-ion batteries, making them examples of what devices use lithium-ion batteries.
Lithium polymer battery packs offer a thinner and lighter alternative to lithium-ion batteries. They are flexible in shape and are often used in mobile devices and drones. Their design allows manufacturers to create custom shapes, fitting specific product requirements. However, they generally have a lower energy density than lithium-ion batteries.
Hearing Aids: Lightweight lithium batteries provide the necessary power for hearing aids, offering extended usage without frequent replacements. Implantable Medical Devices: Lithium batteries are also used in implantable medical devices, such as pacemakers, where their longevity and safety are critical. 5. Aerospace and Defense
Lithium-ion Battery Packs: Lithium-ion battery packs are widely used in portable electronics and electric vehicles. These batteries have a high energy density, which means they store a lot of energy for their size. According to a study by NREL in 2020, lithium-ion batteries can achieve an energy density of 150-250 Wh/kg.
Lithium-ion batteries are popular in this category for their high energy density and longevity. According to Statista, mobile device batteries can last more than 10 hours on a single charge. This efficiency allows users to stay connected without frequent recharging.
Matching these specifications ensures proper functioning. Battery type: There are mainly two types of battery packs: lithium-ion and lithium-polymer. Lithium-ion batteries offer higher energy density and are more common in power banks. Lithium-polymer batteries are lighter and more flexible in shape, but they usually have a lower energy density.
Residential Energy Storage: Homeowners are increasingly using lithium batteries, such as LiFePO4, to store energy from solar panels. This stored energy can be used during the night or in the event of a power outage, providing a reliable backup power source.
If neither the charger nor the protection circuit stops the charging process, then more and more energy enters the cell. As a result, the voltage in the cell rises – this is known as over-charging.
Liu et al. found that the cell thermal stability decreased gradually as lithium-ion batteries aged with slight overcharge cycling. Compared with slight overcharge, deep overcharge can make lithium-ion batteries complete failure and cause thermal runaway, resulting severe safety hazards such as fire and explosion.
Overcharging can happen for several reasons. Sometimes, it may be due to an incorrect charger that continues charging at the right time. Other times, it may occur because of a malfunction in the device's charging system. Regardless of the cause, overcharging can significantly affect the battery's performance and safety. Part 2.
In this paper, the overcharge performance of a commercial pouch lithium-ion battery with Li y (NiCoMn) 1/3 O 2 -Li y Mn 2 O 4 composite cathode and graphite anode is evaluated under various test conditions, considering the effects of charging current, restraining plate and heat dissipation.
Rupture of the pouch and separator melting are the two key factors for the initiation of TR during overcharge process. Therefore, proper pressure relief design and thermal stable separator should be developed to improve the overcharge performance of lithium-ion batteries.
The overcharge-induced TR process of lithium-ion batteries is an electrochemical-thermal coupled process accompanied with ohmic heat generation, gas generation and a series of exothermic reactions .
This situation is mainly caused by lithium plating. The plated lithium can react with the electrolyte at a lower temperature, and the thermal stability of the side reaction products is lower. However, when the overcharge exceeds V p, the cell temperature is higher.
Note!The battery size will be based on running your inverter at its full capacity Assumptions 1. Modified sine wave inverter efficiency: 85% 2. Pure sine wave inverter efficiency:90% 3. Lithium Battery:100% Depth of discharge limit 4. lead-acid Battery:50% Depth of discharge limit Instructions!. To calculate the battery capacity for your inverter use this formula Inverter capacity (W)*Runtime (hrs)/solar system voltage = Battery Size*1.15 Multiply the result by 2 for lead-acid type. You would need around 24v150Ah Lithium or 24v 300Ah Lead-acid Batteryto run a 3000-watt inverter for 1 hour at its full capacity Related Posts 1. What Will An Inverter Run & For How Long? 2. Solar Battery Charge Time Calculator 3. Solar Panel Calculator For Battery: What Size Solar Panel Do I Need? I hope this short guide was helpful to you, if you have any queries Contact usdo drop a. Here's a battery size chart for any size inverter with 1 hour of load runtime Note! The input voltage of the inverter should match the battery voltage. (For example 12v battery for 12v.
[PDF Version]The input voltage of the inverter should match the battery voltage. (For example 12v battery for 12v inverter, 24v battery for 24v inverter and 48v battery for 48v inverter Summary What Will An Inverter Run & For How Long?
You would need around 24v 150Ah Lithium or 24v 300Ah Lead-acid Battery to run a 3000-watt inverter for 1 hour at its full capacity Here's a battery size chart for any size inverter with 1 hour of load runtime Note! The input voltage of the inverter should match the battery voltage.
Interpreting Results: Once you input the required data, the calculator will generate the recommended battery size in ampere-hours (Ah). For instance, if your power consumption is 500 watts, the usage time is 4 hours, and the inverter efficiency is 90%, the calculator might suggest a battery size of approximately 222 Ah.
For instance, if your power consumption is 500 watts, the usage time is 4 hours, and the inverter efficiency is 90%, the calculator might suggest a battery size of approximately 222 Ah. Practical Tips: Ensure all input values are accurate to avoid skewed results.
Using the Calculate Battery Size for Inverter Calculator can significantly streamline your power management process. This tool is particularly beneficial in scenarios where precise power estimation is critical, such as designing renewable energy systems, ensuring backup power in off-grid locations, or optimizing battery usage for cost efficiency.
Tools and Formulas to Help You Size Your Solar and Inverter Setup Battery Wh = V × Ah Panel Size (W) = Battery Wh ÷ Sun hours ÷ Efficiency factor Inverter Size (W) = Total Continuous Load + Surge Load Buffer Several websites offer solar sizing calculators. Just input battery capacity, sun hours, and load requirements.
This review paper aims to provide a comprehensive overview of the recent advances in lithium iron phosphate (LFP) battery technology, encompassing materials development, electrode engineering, electrolytes, cell design, and applications.
Amid global carbon neutrality goals, energy storage has become pivotal for the renewable energy transition. Lithium Iron Phosphate (LiFePO₄, LFP) batteries, with their triple advantages of enhanced safety, extended cycle life, and lower costs, are displacing traditional ternary lithium batteries as the preferred choice for energy storage.
Lithium iron phosphate (LiFePO 4) is broadly used as a low-cost cathode material for lithium-ion batteries, but its low ionic and electronic conductivity limit the rate performance. We report herein the synthesis of LiFePO 4 /graphite composites in which LiFePO 4 nanoparticles were grown within a graphite matrix.
Lithium iron phosphate battery has a high performance rate and cycle stability, and the thermal management and safety mechanisms include a variety of cooling technologies and overcharge and overdischarge protection. It is widely used in electric vehicles, renewable energy storage, portable electronics, and grid-scale energy storage systems.
Compared with the research results of lithium iron phosphate in the past 3 years, it is found that this technological innovation has obvious advantages, lithium iron phosphate batteries can discharge at −60℃, and low temperature discharge capacity is higher. Table 5. Comparison of low temperature discharge capacity of LiFePO 4 / C samples.
Lithium iron phosphate battery works harder and lose the vast majority of energy and capacity at the temperature below −20 ℃, because electron transfer resistance (Rct) increases at low-temperature lithium-ion batteries, and lithium-ion batteries can hardly charge at −10℃. Serious performance attenuation limits its application in cold environments.
Batteries with excellent cycling stability are the cornerstone for ensuring the long life, low degradation, and high reliability of battery systems. In the field of lithium iron phosphate batteries, continuous innovation has led to notable improvements in high-rate performance and cycle stability.
The cans for the 18650 and 21700 are made from nickel plated steel and deep drawn in a two-stage process. The result is the base of the can is thicker than the cylindrical side wall. 1. 18650 1.1. Base thickness ~0.3mm 1.2. Wall thickness ~0.22 to 0.28mm 2. 21700 2.1. Base thickness ~0.3. Cylindrical cells are used in numerous applications and cooling varies from passive through to immersed dielectric cooling. The diameter, length and connection of the. Cylindrical cells are designed with a number of safety features including a defined vent path/weakness. The capacity is relatively small and.
Cylindrical lithium-ion battery cells are a type of rechargeable battery commonly used in a wide range of electronic devices, electric vehicles, and energy storage systems. They are characterized by their cylindrical shape, standardized sizes, and high energy density, making them versatile and suitable for various applications.
This paper investigates 19 Li-ion cylindrical battery cells from four cell manufacturers in four formats (18650, 20700, 21700, and 4680). We aim to systematically capture the design features, such as tab design and quality parameters, such as manufacturing tolerances and generically describe cylindrical cells.
For instance, “65” represents a height of 65mm. Fifth Digit: The fifth digit indicates the cylindrical shape of the cell. Typically, it's “0” for cylindrical cells. By following this naming convention, we can easily identify the size and shape of cylindrical lithium-ion battery cells.
A generic overview of designing cylindrical Li-ion battery cells. Function 1: Two types of jelly roll designs can be distinguished: With tabs and tabless. Jelly rolls with tabs can be realized with a single tab (Design A) or several tabs in a multi-tab design (Design B).
Cylindrical Li-ion battery cells consist of (i) a jelly roll, a wound composite consisting of a cathode, an anode, and two separators, and (ii) a cell housing consisting of a can and a cap . Current and heat transport between the jelly roll and the cell housing is traditionally conducted by contacting elements called tabs .
The naming rules for cylindrical lithium-ion battery cells follows a standardized format based on the cell's dimensions, and usually represented by a five-digit code, where each digit provides specific information about the cell's dimensions. Here's a breakdown of the representation: What does 18650 means?
Lithium batteries, particularly Lithium Iron Phosphate (LiFePO4) batteries, are well-suited for use with inverters due to their high efficiency, lightweight design, and ability to deliver consistent power.
Lithium batteries offer much higher energy density, longer life cycles, reduced weight, and faster charging times than traditional lead-acid batteries. This makes them ideal for both small and large-scale inverter applications. Part 2. How does a lithium battery power an inverter system? Here's how the process works:
It works with inverters by delivering direct current (DC), which the inverter transforms into alternating current (AC) to power home appliances, RV electronics, or off-grid systems. Lithium batteries offer much higher energy density, longer life cycles, reduced weight, and faster charging times than traditional lead-acid batteries.
When selecting a lithium battery for inverter use, it is essential to understand the key specifications: Voltage (V): Most inverter systems use 12V, 24V, or 48V batteries. Higher voltage systems are more efficient for larger power loads. Capacity (Ah or Wh): Amp-hours or Watt-hours indicate how much energy the battery can store and deliver.
When it comes to powering your inverter, there are a few alternative options to consider aside from lithium batteries. While lithium batteries have gained popularity due to their numerous advantages, they may not be the right choice for everyone. One alternative option is lead-acid batteries.
Compatibility is the first and foremost consideration when setting up communication between a lithium battery and a hybrid inverter. Not all inverters are compatible with all lithium batteries. Therefore, it is crucial to ensure that the inverter you choose is designed to work with the specific type of lithium battery you plan to use.
Lithium-ion batteries offer a more consistent discharge rate, ensuring that your inverter operates smoothly and efficiently. A lithium-ion battery for a home inverter can significantly enhance your home's energy storage capabilities.
As of Q1 2025, the average li-ion cell price is around $85 per kilowatt-hour (kWh) at the pack level, down from $101/kWh in 2022, according to BloombergNEF.
Lithium ion battery costs range from $40-140/kWh, depending on the chemistry (LFP vs NMC), geography (China vs the West) and cost basis (cash cost, marginal cost and actual pricing). This data-file is a breakdown of lithium ion battery costs, across c15 materials and c20 manufacturing stages, so input assumptions can be stress-tested.
A quick refresher A lithium-ion (Li-ion) cell is a type of rechargeable battery cell known for its high energy density, lightweight design, and rechargeability. These cells power a wide array of modern devices, from smartphones and laptops to electric vehicles (EVs) and solar power systems.
Because of the significance of manufacturing costs, models of the production costs of lithium-ion batteries have been developed. The most notable model is the BatPaC model developed by Argonne National Lab, .
The process-based cost model we construct for cylindrical lithium-ion cells shows that the cell chemistry has a significant impact on the per kWh cost of the batteries. For LMO batteries, with a low specific energy, the cylindrical cell format is too small and does not allow for the electrode thickness to increase sufficiently.
As of Q1 2025, the average li-ion cell price is around $85 per kilowatt-hour (kWh) at the pack level, down from $101/kWh in 2022, according to BloombergNEF. For individual cells, prices vary significantly: 21700 vs 18650 Battery:What Difference is between them? Prices are also affected by order volume.
A lithium-ion (Li-ion) cell is a type of rechargeable battery cell known for its high energy density, lightweight design, and rechargeability. These cells power a wide array of modern devices, from smartphones and laptops to electric vehicles (EVs) and solar power systems. Li-ion cells come in several formats:
Lithium Iron Phosphate (LiFePO₄, LFP) batteries, with their triple advantages of enhanced safety, extended cycle life, and lower costs, are displacing traditional ternary lithium batteries as the preferred choice for energy storage.
Lithium iron phosphate (LFP) batteries have emerged as one of the most promising energy storage solutions due to their high safety, long cycle life, and environmental friendliness.
Lithium iron phosphate battery has a high performance rate and cycle stability, and the thermal management and safety mechanisms include a variety of cooling technologies and overcharge and overdischarge protection. It is widely used in electric vehicles, renewable energy storage, portable electronics, and grid-scale energy storage systems.
Recovered lithium iron phosphate batteries can be reused. Using advanced technology and techniques, the batteries are disassembled and separated, and valuable materials such as lithium, iron and phosphorus are extracted from them.
Resource sharing is another important aspect of the lithium iron phosphate battery circular economy. Establishing a battery sharing platform to promote the sharing and reuse of batteries can improve the utilization rate of batteries and reduce the waste of resources.
In terms of improving energy density, lithium manganese iron phosphate is becoming a key research subject, which has a significant improvement in energy density compared with lithium iron phosphate, and shows a broad application prospect in the field of power battery and energy storage battery .
The overcharge protection mechanism plays a crucial role in sophisticated management strategies for lithium iron phosphate batteries . Its primary purpose is to prevent the battery from receiving more power than it is designed to withstand during charging.
The IMDG Code Amendment 42-24 is the cornerstone of the updated regulations, bringing significant changes to the classification, packaging, and handling of lithium-ion batteries and their associated technologies.
C. Container transportation Even though Battery Energy Storage Systems look like containers, they might not be shipped as is, as the logistics company procedures are constraining and heavily standardized. BESS from selection to commissioning: best practices38 Firstly, ensure that your Battery Energy Storage System dimensionsare standard.
It is a guideline that outlines safe storage practices, including the charging and discharging of lithium-ion batteries, lithium metal batteries, and hybrid lithium batteries. If you would like to learn more about shipping of lithium batteries, we wrote this guide about just that.
A Battery Energy Storage System container is more than a metal shell—it is a frontline safety barrier that shields high-value batteries, power-conversion gear and auxiliary electronics from mechanical shock, fire risk and harsh climates.
The classification and shipping requirements for lithium-ion batteries depend on their size and energy capacity (Watt-hours). For standalone batteries. Strict UN-certified packaging. IUMI strongly supports the SoC limit of 30% for air freight and advocates similar principles for maritime transport.
PGS 37-2 provides detailed requirements for numerous aspects of lithium-bearing energy carrier storage. Here are some key areas the guideline covers: Storage Limits: The maximum permitted quantities of energy carriers that can be stored in different types of facilities are defined.
Here's a breakdown of key standards at each level: IEC 62619 and IEC 63056 ensure safety and performance for industrial lithium-ion cells. UL 1642 and UN 38.3 verify safety and transport compliance of lithium cells. RoHS and REACH (NPS) ensure environmental and chemical safety.
Use our “Get an Estimate” tool to review potential costs if you get service directly from Apple. If you go to another service provider, they can set their own fees, so ask them for an estimate.
You have to buy the entire top lid that comes with that and other parts preattached, and it'll cost you more than twice the $199 that Apple charges for a battery replacement. Apple spokesperson Patrick Leahy confirmed to The Verge that a battery replacement part will eventually be available, but wouldn't say when.
Replacing your MacBook Air's battery with an iFixit Fix Kit can save you $30 to $90 compared to Apple's out-of-warranty repair costs, depending on your model. iFixit's MacBook Air battery replacement kits average around $100, while kits for newer models like the 2020 M1 cost around $130. ^ Apple's shared estimates as of February 2025.
If your Apple warranty has expired, and you wish to have the iPad battery replaced, you can register a repair request via the Apple website, the difference being that you will have to pay for the replacement battery, as well as shipping and handling charges, which should set you back by approximately $106 to $110, tops.
It expects you to lay out as much as $4,222 for a new logic board — ouch at having that on my credit card — but you'll get the vast majority of it back upon return. You should wind up paying $588 for a 16-inch MacBook Pro board, $500 for a 14-inch or 13-inch MBP board, or $368 for an M1 Air board, no matter how loaded it is.
This article explores how companies, like MK ENERGY, design and produce customized lithium battery packs tailored to meet specific energy storage needs, including factors such as energy density, working environment, cost considerations, and performance requirements.
Another important consideration in lithium-ion battery pack design is ease of follow-up maintenance. In lithium-ion battery pack designs, some producers use mechanical components, bolts or nuts to link the cell. This kind of design allows the user to replace the cell and use the pack throughout the life of battery.
For lithium-ion battery pack assembly, we offer complete solutions. This includes different sizes of barley paper, battery cells, plastic holders, nickel strip, handheld spot welder, PVC, and high-temperature resistant adhesive tape. We also provide rolls of various widths and cut the length as per customer requirements.
First, we need to note that there is no standard size for lithium battery pack, nor is there likely to be any in the near future, for a simple reason: different manufacturers build and integrate electric vehicles differently. The power lithium battery pack needs to adapt to the vehicle structure, so it is difficult to have a uniform size standard.
Building a lithium battery pack from used cells is a great way to save money and get more life out of something that would otherwise be discarded. Do not underestimate how useful a BMS can be to monitor and protect you from an unsafe condition, especially when using used cells.
All lithium batteries have been certified, including KC, ROHS, CE, UL1642, UN38.3, BSMI, etc. Dimensions are required to assist with your request. Please ensure they areaccurate above. All our lithium batteries can be customized with battery packs. Contact us with requirements. The technical team creates tailored designs.