Charger Specification
The Output Voltage : 5V
Input Voltage : USB-C 5V 3A
Output Current : AA 350mA x 8 - 18W(MAX)
Dimension : 72 x 71.5 x 52mm
Weight : 109g (excluding battery) , 260g (included battery)

Battery Specification
Battery Cell Rated Energy : 3600mWh
Rated Energy : 3300mWh
Cell Rated Capacity : 1000mAh
Rated Capacity : 2200mAh
Voltage : 1.5V
Charging Limit Voltage : 5.3V
Weight : About 18g (single)

What's Included
AA size 3600mWh Rechargeable Li-ion Batteries x 8
AA size Battery Charger x 1 
Type-C cable x 1
User manual x 1