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Transmitter Batteries

This series of Mad Dog batteries are to upgrade your Ni-Cd receiver and transmitter batteries to Li-Poly / LiFe batteries!

The benefit for using Li-Polys are numerous!

Including:

  • 1/2 the weight of a Ni-Cd pack! 
  • Very low self discharge, no need to charge the night before! 
  • Very High energy to weight ratios! More bang for the buck!

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  1. Charge Before Flight Key Chain (MadDog)

    Charge Before Flight Key Chain (MadDog)

    $2.50

    This is our embroidered key chain. These are a very good quality and strong. Each key chain includes the loop. They measure 5.3 inches long and 1.3 inches tall. Great to hang your field keys and other items.

    • Front:  Charge Before Flight
    • Back:  Mad Dog Lipo's
    Learn More
  2. Mad Dog 4000 mAh Transmitter Pack, Spectrum DX7s, DX8, DX9

    Mad Dog 4000 mAh Transmitter Pack, Spectrum DX7s, DX8, DX9

    Regular Price: $40.00

    Special Price $30.00

    The 4000 2S Lipoly battery offers double the flight time as the stock DX8 or DX7s battery. This is a Li-Poly battery and must be charged with a Li-Poly charger. This battery will fit in your DX7s or DX8 with no modification and will enable you to fly for months without charging. No modification to your radio or the lipoly battery are required. This battery can be charged inside the DX8 with the included charger.

    The internal charger charges at 200 mAh so to fully charge will take about 20 hours.

    This battery also fits the newly released DX9!

    • LiPo: 4000mAh 7.4v
    • Weight:  68g
    • Size:  68 x 52 x 19mm
    Learn More

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