Size: 90*72*23mm
Weight: 251g
Battery capacity:
7.4V 4000mAh
7.4V 4400mAh
7.4V 5000mAh
7.4V 5200mAh
7.4V 6000mAh
7.4V 6400mAh
for option
Charging/discharging port: DC
Digital display
ON/OFF button
Charger: 8.4V 1.2A