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Choose ONYX batteries for the variety and quality to satisfy a wide range of applications — whether you need power for your radio, a replacement battery, an economical upgrade, or packs that will push the performance envelope. These batteries are available with all popular plug types, ensuring compatibility and solid, dependable connections. ONYX prices make every selection a great value. Specifications: Capacity: 4200mAh Number of Cells in Series: 4 Rated Voltage: 4.8V Maximum Recommended Charge Current: 4.2A Discharge Lead: 22AWG, 4.7" (120mm) not including connector Pack Dimensions: 3.6 x 1.8 x 0.92" (92.5 x 47 x 23.5mm) Weight: 9.5oz (270g) Cell Size: Sub C