Power for tight HPA builds
The Rebel 7.4v 350mAh Li-Ion micro battery is purpose-made for HPA (High Pressure Air) engines, where space is at a premium and reliability is everything. At just 16mm square it slips into cramped grips and stocks where a standard battery simply will not go, feeding clean power to your engine and its FCU.
Li-Ion toughness
Unlike soft-case LiPo packs, this cell uses hard-case Li-Ion chemistry that shrugs off the knocks and drops of a CQB arena or woodland field. That resilience makes it a dependable long-term choice for players who are hard on their kit.
Consistent voltage under load
The 35C discharge rating means the battery holds its voltage even when you spam the trigger in semi-auto, so your FCU sees stable power and your engine responds crisply shot after shot. The 350mAh capacity strikes a sensible balance between run time and compact size.
Plug-and-play fitment
A standard JST connector gives direct compatibility with almost every HPA engine on the market, so there is no soldering or adaptor needed for most builds. Browse more BBs, gas and batteries to keep your kit game-ready.
Charge it safely
Always use a compatible Li-Ion balance charger, never charge unattended, and store the cell partially charged in a fireproof bag. Treated properly, it will give many seasons of reliable service.














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