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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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  • Mad Dog 2100 mAh Li-FePO4 Transmitter Pack, Futaba

    Mad Dog 2100 mAh Li-FePO4 Transmitter Pack, Futaba

    FLY ALL DAY LONG! Just in is the new Mad Dog transmitter pack!


    This 2100 mAh 9.9V Li-FePO4 transmitter pack will allow you to fly all month on one charge! This pack will reduce the weight of your transmitter to relieve the stress on your fingers and wrists! It small size will fit most JR, Spectrum Radios, and Futaba Radios. The included plug will fit right into the radio!


    The battery has a balance tap for easy charging.


    WARNING! DO NOT CHARGE the BATTERY IN THE RADIO! ONLY USE LI-FePO4CHARGER!


    The benefit of using LI-FeP04 batteries is that the voltage is the same as a NiCD or Ni-MH pack. The voltage of this pack charged is 9.9V. However, the downside is that when the capactiy is used up, the voltage drops rapidily!



    • LiFe: 2100mAh 9.9V 

    • Weight: 139g 

    • Size: 96 x 30 x 28 

    • or 3.625 x 1.125 x 1 in

    Regular Price: $35.99

    Special Price $25.97

  • Charge Before Flight Key Chain (MadDog)

    Charge Before Flight Key Chain (MadDog)

    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

    $2.50
  • Mad Dog 4000 mAh Transmitter Pack, Spectrum DX7s, DX8, DX9

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

    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

    Regular Price: $40.00

    Special Price $30.00

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