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7.4V 4000mAh 2S LiPo Transmitter Battery

Item No.
Spektrum - SPMB4000LPTX
$79.99
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Product $79.99
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Overview

The 4000 2S LiPo offers long flight time, as well as advanced safety and features. It 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 ensures you get the longest life and power from your pack.

Compatible With

  • DX9 and DX9 Black Edition
  • DX8 Gen 1
  • DX7S
  • DX20 (Stock Replacement)

Key Features

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

Product Specs

Battery Type
LiPo (3.7V per cell)
Capacity
4000mAh
Product Height
0.75" (19 mm)
Battery Voltage
7.4V
Connector Type
White TX Plug
Product Length
2.05" (52 mm)
Product Width
2.68" (68 mm)
Cell Configuration
2S1P
Product Weight
5.04 oz (143 g)
Charge Protection Circuitry
Yes
Number of Cells
2
Wire Gauge
20 AWG

FAQ

This is a replacement battery for several Spektrum transmitters, no designed to be used in aircraft. SPMX22002SLFRX would be a better option for a receiver battery in a gas powered aircraft.

Yes, this is the correct higher-capacity battery for the DX9.

The rechargeable battery for the DX8e is SPMA9602. https://www.horizonhobby.com/product/7.4v-2000mah-2s-li-ion-transmitter-battery-tx-plug/SPMA9602.html