This is a replacement Traxxas "Series 1" 6-Cell 1/16 Battery with Traxxas iD Connector. Traxxas iD Power Cell NiMH batteries are available in standard, 6-cell "flat" configuration, as well as 7-cell flat and "hump"-style packs to fit all Traxxas models. NiMH batteries are the standard battery type for radio control, and iD-equipped Power Cell NiMH packs are included with Traxxas electric models for excellent runtime and power delivery. Traxxas Power Cell Series 4 and 5 NiMH batteries offer increased capacity for even greater runtime and higher sustained voltage under load.
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