Samsung 25R Li-Ion Tagged 18650 Rechargeable Battery
Samsung 25R Li-Ion Tagged 18650 Rechargeable Battery - 3.7 V 2500 mAh Lithium cell with solder tags. This is a genuine Samsung 25R Li-Ion INR18650 battery rated at 3.7V 2500mAh. The 25R batteries have a lower internal resistance, and a longer life cycle than previous models.