ITEM NAME:HW-541 3S 5A Li-ion Lithium Battery Charger Protection Board 18650 PCB PCM A#S Product Description Description: HW-541 3S 12.6V 5A Li-ion Lithium Battery Charger Protection Board Module 18650 26650 PCB PCM Specification: Charging voltage: DC 12.6-14V Maximum working current: 4-5A Maximum instantaneous current: 6-7A Battery over-discharge voltage: 2.3-2.6V Battery over-discharge protection recovery voltage: 4.1-4.2V Battery over-discharge current protection point: 5.5-6.5A Battery overcharge protection voltage point: 4.2-4.3V Battery overcharge protection recovery voltage: 4.1-4.2V Applicable options: for lithium batteries with a nominal voltage of 3.7V and a fully charged 4.2V (including 18650, 26650, lithium polymer batteries) Product size: 40 * 15 * 1mm/1.57*0.59*0.04" Note: 1. There may be slight size deviations due to manual measurement, different measuring methods and tools. 2. The picture may not reflect the actual color of the item because of different photographing light, angle and display monitor. Included: 1 X Lithium Battery Charger Protection Board.The picture may not reflect the actual color of the item because of different photographing light, angle and display monitor. Warranty Service. If item is defective after 3 months, you can still send it back to us.