Product Features:
Capable of charging 4 batteries simultaneously
Each of the four battery slots monitors and charges independently
Compatible with and identifies Li-ion (10440, 14500, 16340, 18500, 18650, 26650, 26500), Ni-MH and Ni-Cd (AA, AAA, AAAA, C) rechargeable batteries
Automatically detects battery status and selects the appropriate voltage and charge mode
Features over-charge prevention to protect batteries
Features temperature monitoring to prevent overheating
Designed for optimal heat dissipation

Product Specifications:
Input: AC 100 to 240V 50/60Hz
Output: DC 12V 2.0A
Current Range(charging): 200mA ,300mA,500mA,700mA,1000 mA
Current Range(discharging): 100 to 500 mA(Ni-MH),100 to 1000mA( Li-ion )
Maximum Charging Capacity: 20000mAh
Working Temperature: 0 to 40 degree

Package Include:
1 * BT-C3100 Battery Charger 
1 * User Manual 
1 * American Plug Adapter 

Please contact us first when you have any problem,we will give you the best service and solve the problem ASAP.Thank you so much