This ultra compact 7.4v 250mAh Li-po battery is specifically for the PolarStar PR-15 EPAR rifles and Fusion Engines which are rear wired to the buffer tube with a JST connector. The battery is small enough that it can fit inside of the rifles buffer tube along with the FCU. No need for an external battery or crane stock!New version is even smaller! Measures: 37mm x 18mm x 14mm.
7.4v 250mAh with a 25C drain rate.
Features a JST connector and balancer.
Comes with balancer adapter.
Good for over 25,000 shots in a Fusion Engine!!
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