ICR18500 Rechargeable Li-ion Battery 3.7V 1400mAh Battery 4pcsWith Smart Charger for 10440 17500 SC Battery

18500 Rechargeable 3.7V Lithium Li-ion Battery with li-ion battery charger Voltage: 3.7V Storage Voltage: 3.7-3.9V Charging Cut-off Voltage: 4.2V Discharge Cut-off Voltage: 3.0V Capacity: 1400mAh Norminal Capacity: 1350mAh Size: 18.3*49.0mm Weight: 35g Protected: NO Battery top: Flat Button top Max Constant Charging .Current: 1400mA(1C) Max Constant Discharging Current: 2800mA(2C) Material: Lithium Li-ion ICR Recharging cycles: At least 500cycles Appliations: LED Flashlight, headlamp, torch, headlight So on Charger NIMH Li-ion battery charger Micro USB & TYPE-C input Size110mm*105mm*39mm(L*W*H) Compatibility: various kinds of cylindrical chargeable batteries (Diameter: below 26mm, height: 34-70mm) Charge Li-ion and Ni-MH batteries. Adopt Negative voltage control technology to improve charge efficiency.( four LED twinkling at the same time) Constant current, constant voltage charging mode. Constant current constant voltage charging, protect opposite connection and short circuit; 0 Voltage alarms Normal mode: 05A*4 1.0A*2 2.0A*1 In the third or fourth slot Fast charge mode: 0.75A*4 1.5A*2 3.0A*1 in the third or fourth slot USB output 5V 2A Max Constant Discharging Current: 10.5A(15C)