EFest Slim k2 Battery Charger

The EFest Slim K2 Charger is a versatile and dual slot battery charger with a micro-USB input. The charger also features twin LED displays, which display the level of charging. Each port is separated and monitored independently, so you get the most efficient charge.
The Efest Slim K2 Charger features reverse polarity, short circuit, overcharge protection and many more safety features. The Efest Slim K2 Charger can charge  many different types of 3.6V/3.7V lithium batteries most commonly used in electronic cigarettes.

Features
Compatible with: 10440, 14500, 14650, 16340, 16650, 17650, 17670, 18350, 18490, 18500, 18650, 20700, 26500, 26650
Battery Life LED Indicator Light
Dual Slot 5V/1A Micro USB Charger
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: <100mA
Standby Current: <20mA
Activation Current: 50mA~100mA
Auto Recharge Voltage: 4.10 (+/-0.10V)
Operation Temperature: 0C ~ 40C
Storage Temperature: -40C ~ 70C

In the box:
1 x Slim K2 charger body
1 x USB cable
1 x Warranty card
1 x Operation manual