Brand: PKCELL
Model: PK-8221 for 1~2pcs 3.7V Li-ion Battery
Input Features Micro USB: 5V 2A
Output Features: DC 4.2V 1000mA*2
Dimension: 110mm*60mm*39mm(L*W*H)
Weight: 127g
With 2 LED indicators, intuitive display the charging state
Charging Instruction Mode: Red and green two-color indicator, power on green light, charging red, full of green