The Golisi I4 is a functional charger with 4 slots. It supports your charging needs with LCD screen. It's compatible with almost all types of cylinder shape rechargeable batteries such as 18650, 21700 and 26650 batteriesParametersCase materials: ABS/PC/Fire proofInput voltage: DC 5V / 2AActivate Bat..
ParametersSize: 21 x 70mmModel: 21700Capacity: 3750mAhConstant Current: 40ANominal Voltage: 3.7VCharging cut-off voltage: 4.20±0.05VInternal resistance: 30mΩ Safety protection: Based on UL1642 standard, no leaking or explosion in extreme tests of over charging, short circuit, over discharging,..
ParametersSize: 100 x 90mmUSB Port: Power input at DC 5V/2AActivate Battery: it can activate 0 voltage li-ion batteryOutput Current: 0.5ALoading Spring: Military grade Spring, >100K cycle time. (Smooth and durable) Protection: Short Circuit Protection/Over-Current Protection/Reverse Co..