The Slim K4 charger is an ultralight weight & easy carrying charger. It can display the charging status in real time. It is a USB powered charger for a variety of batteries such as 18650, 20700, 21700, and etc...
18650: OKAY
20700/21700: OKAY
Features:
USB powered.
Capable of charging 4 batteries simultaneously.
Each of the 4 battery slots monitors and charges independently.
Auto quick charging mode: 2 x 1.0A / 1 x 1.0A / 4 x 0.5A / 3 x 0.5A.
Auto battery type recognition function.
Auto switch charging mode.
LED indicators: show the power percentage and battery status in real time.
Over-charge / Over discharge prevention to protect batteries.
Reverse polarity protection.
Short-circuit protection.
0 voltage smart activation recovery function.
Certified by RoHS, CE, & FCC.
Specifications:
Input voltage: DC 5V 2A
Output voltage: Battery: 4.2V±1%
Output current: Battery: 0.5A x 4, 0.5A x3, 1.0A x2, 1.0A x 1
