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Duratrax Onyx 2S 7.4V 4000mAh 25C LiPo Battery Star/Deans Plug
Duratrax Onyx 2S 7.4V 4000mAh 25C LiPo Battery w/Star/Deans Plug

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This is the Duratrax Onyx 2S 7.4V 4000mAh 25C 2-Cell LiPo Battery Pack with the Star Plug (compatible with Deans)


  • Prewired with Star Plug
  • Star plug is compatible with the R/C industry's most commonly used polarized power plug (Deans), tapered shape and grip strips for fast and easy connection and separation
  • Protective ABS case has the same dimensions as a six cell NiMH stick pack
  • Wired for balancing with JST-XH (ElectriFly Style) balance plug


Capacity: 4000mAh
Number of Cells in Series: 2
Rated Voltage: 7.4V
Continuous Discharge Rate: 25C
Maximum Recommended Charge Current: 1C (4.0 amps)
Pack Dimensions: 5.3 x 1.8 x 0.9" (135 x 45 x 24mm)
Discharge Lead/Connectors: Star Plug
Balancing Connector: JST-XH / ElectriFly
Weight: 9oz (256g)
Watt Hours: 30Wh


LiPo balancing charger