This is the Great Planes ElectriFly 8-cell 9.6V 2000mAh NiMH Battery.FEATURES: Rectangular shaped shrink-wrapped and pre-assembled with 2-pin femaleDeans plugINCLUDES: One Great Planes ElectriFly 8-cell 9.6V 2000mAh NiMH BatteryREQUIRES: Charger capable of charging Nickel Metal Hydride batteries. Chargewith a NiMH compatible quick charger, or at 250mA for 10-12 hours.Suitable chargers: ElectriFly Peak 400 (GPMM3001), Triton2 (GPMM3153)SPECS: Cell Size: 4/5 sub CLength: 7.1" (180mm) Length of lead: 3-1/2" (89mm) 14AWG wireWidth: 1.5" (38mm)Height: 0.87" (22mm)Weight: 13.7oz (390g)COMMENTS: If using the ElectriFly Peak 400, the Dean's 2-Pin Ultra Plug(WSDM3001) must be soldered to the output wire of the charger.If using the Triton charger the Charge Leads with Alligator Clips(HCAP0108) can be used. Cut off the alligator clips and solder theDean's 2-Pin Ultra Plugs to the wires.