This is the Onyx 7.4V 280mAh 2S 30C LiPo battery with PH connector. Onyx batteries have been created to provide you with the performance you want without breaking the bank. All Onyx batteries feature quality assembly, wiring, power and balance connectors. Available in a wide variety of capacities and voltages, theres a Onyx battery perfect for almost any application, from airplanes and helicopters as well as quadcopters, multirotors and drones.Features:Pre-wired with an PH connectorValue-priced without sacrificing quality or performanceCapable of maximum continuous discharge rates up to 30CSpecs:Battery Type: Li-Po, LiPo (3.7V per cell)Battery Voltage: 7.4VCapacity: 280mAhCell Configuration: 2S1PCharge Protection Circuitry: NoConnector Type: PHHard Case: NoHeight: 0.49 in (12.5mm)Length: 1.54 in (39.0mm)Maximum Continuous Discharge Current: 8.4AMaximum Continuous Discharge Rate: 30CNormal/Standard Charge Current: 0.28ANormal/Standard Charge Rate: 1CShape: RectangularWatt Hours: 2.07WhWidth: 0.79 in (20.0mm)