PolarStar 7.4 250mAh Li-Po Battery
This Thunder Power LiPO battery is specifically designed to work with the PolarStar Fusion Engine and PolarStar Rifles. The small size of the battery allows it to fit inside the buffer tube and other tight places along with the FCU.
- Output: 7.4v
- Capacity: 250 mAh
- For use with PolarStar Fusion Engine