Next Shipment July 2026
Spektrum 7.4V 4000mAh 2S LiPo Transmitter Battery
Spektrum - SPMB4000LPTX
$89.99
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Spektrum 7.4V 4000mAh 2S LiPo Transmitter Battery 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.