Efest Slim K2 Charger is a high quality, dual slot Li-Ion battery charger that features a portable design with 1A charging, MicroUSB input and a LED indicator light. The Efest can charge most Li-ion batteries that run 3.6 to 3.7 3.6V/3.7V with its spring action contact that can adjust to many sizes.

Features and Specs:

Compatible with: 10440, 14500, 14650, 16340, 16650, 17650, 17670, 18350, 18490, 18500, 18650, 20700, 26500, 26650
Portable Design with Quality Piano Strings - 15,000+ Tensile Test
Features over-current, over-voltage, short-circuit, and reverse polarity protection
Battery Life LED Indicator Light
Dual Slot 5V/1A Micro USB Charger
Each Slot monitors independently
AC Input Power: AC 100~240V 50/60Hz
DC Output Power: DC 5V 1A
DC Input Power: DC 5V 1A
1A CC Current: 1000mA (+/-10%)
Auto Cut-Off Voltage: 4.20 (+/-0.05V)
CV Cut-Off Current: Standby Current: Activation Current: 50mA~100mA
Auto Recharge Voltage: 4.10 (+/-0.10V)
Operation Temperature: 0C ~ 40C
Storage Temperature: -40C ~ 70C
Fire Retardant Shell
Batteries Not Included