Detailed Product Description Features and Benefits High Capacity 8.4V 1400mAh Nickel Metal Hydride (NIMH)Battery Pack. Advanced NiMH battery technology, no battery memory effect. Easy operation, battery can be charged anytime without the need to fully discharge. Built inMini Tamiya Connector to fit with most Airsoft Electrical Guns. Specially design for Airsoft guns for power intensity and long running time. Longer running time of over 20 minutes continuous firing Easy operation fast charge up. 6months warranty. Technical Specifications Voltage: 8.4V Batteries: 7 NiMH 2/3A matched cells Maximum Discharge Rate: 10A Connector Type:Mini Tamiya. Dimensions: Width 3.4 cm;Thickness 1.7 cm; Length 10.5 cm Weight:7 Oz.