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Spektrum 4000mAh LiPo Transmitter Battery: DX7s, DX8

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Product Description

Key Features

  • Built-in cell balancer
  • Built-in safety current prevents overcharging


The 4000 2S LiPo offers not only double the flight time as the stock DX8 battery but also advanced safety and features. It also includes a built-in safety current that shuts the battery off, to avoid overcharging and damaging the battery and radio. Plus, a built-in balancing system to make sure you get the longest life and power from your pack.

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