Specifications: 
AC charging current:
1*2A/1A/0.5A
2*2A/1A/0.5A  
3*1A/0.5A
4*1A/0.5A
DC input: micro USB 5V/0.5-2A:
DC input current:  
1*2A/1A/0.5A
2*1A/0.5A  
3*0.5A
4*0.5A
1*2A/1A/0.5A
2*1A/0.5A  
3*0.5A
4*0.5A
 
Features:
4 slots smart charger with LCD display
Supports extra wide input voltage: 85-265V AC 50-60Hz
 
Maximum (power) output: 5V/4A 20W
Accurately display the voltage of the battery, button can distribution maximum current based on AC/DC input mode and the number of the battery, provides two methods of simulation icon and percentages full range display power, charging time display and memory, 5V-1A USB output port which can be used as power bank

Package included:
1 x Charger
1 x USB Cable