Protected by a hardened shell, ToughPack LiPos are the ultimate power source for your avionics.  Featuring both Futaba and Deans compatible connectors, plus a balance connector, these 2S 4200 mAh LiPo battery packs (7.4 volts) provide greatly extended flight times.  *Note - requires voltage regulator or HV servos.

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Relion 5200 mAH battery runs at 7.4V and must be regulated to operate radio system.  Flat configuration.  No returns on batteries.