Features: Module name: 3S 12.6V Li-ion Lithium Battery 18650 Charger Protection PCB Board. Suitable range: For nominal voltage 3.6V 3.7V lithium battery(Including 18650,26650, lithium polymer batteries). Charging voltage: 12.6V. Maximum output current: 20A. Maximum output power / charging power: 252W. It is very durable for use. Specification: Material: electronic element Color: green & black Product Size: 64mmx20mmx3.4mm Package included: 1 x Li-ion Lithium Battery 18650 Charger