Features and Benefits Product 8.4V 1600mAh NiMH Flat Battery Pack Make Made of 2/3A x 7 cells Connector Mini Tamiya FeMale connector assembled with 16 G wire Fit Models Most Mini AK series, upgraded and/or modified AEG's Feature Rapidly charge ande had a long life cycle span Weight 5.3 Oz Dimensions 104 mm (Length);35 mm (Width); 18.5mm (Height) Recommended Charger Smart Universal Battery Pack Charger Use attention Set charging current to 0.9A when charging with the above charger