Input by DC interface and working voltage is 5V-2A (Micro plug). Micro USB DC 5V input is for four independent charging with micro computer management system.
Four charging current mode like 500mAh,700mAh,1000mAh,2000mAh and 2000mAh current mode is fixed only on the fourth slot.
The LED indicators display the charging status like 25%,50%,75%,100% and battery type like Ni-MH 1.2V , Li-Fe 3.2V, Li-ion 3.7V, Li-ion 3.85V
Built with 5V/1000mAh USB discharge (output) function. Identify Li-ion and Ni-MH batteries automatically and adjust charging mode for LiFePO4 and 3.85V li-ion batteries manually.
Refresh for OV battery. It can't charge any battery of1.65 -1.85V (refresh current can be detected only)Protection for over-charge and over-discharge and short circuit. Identify broken battery and polar reverse inspection