Li-Ion Ni-MH battery charger XTAR X4

Four separate charging channels
LCD display with charging speed, voltage, charging capacity
Automatically stops charging when you finish and restarts the charging function, so you can keep the battery inside the charger overnight
Reverse polarity and charger short circuit protection
ABS housing is fire resistant
The 0V activation feature can save your discharged batteries. (This feature is for advanced users only)
Three charging stages (TC-CC-CV) to maximize battery life
Automatically detects Li-ion and Ni-MH batteries
Capacity indicator

Input voltage: 100-240V ~ 50, 60Hz 0.4A or 5V 2.1A
Switching voltage: 4.2V +/- 0.05V and 1.45 +/- 0.1V
Charging current: 2A x 2 / 1A x 4 / 0.5A x 4
Dimensions: 140mm x118mm x 38mm
Weight: 235g (without batteries and power cord)
Compatible with:
Li-ion: 14500, 14650, 16340, 17335, 17500, 17670, 18350, 18490, 18500, 18650, 18700, 20700, 21700, 22650, 25500, 26650
Ni-MH, Ni-CD: AAAA, AAA, AA, A, SC, C
Caution: The X4 cannot charge protected 20700/21700 batteries.