7.4V 600mAh 30C LiPo for HPA Engines (JST) sparklabs which gives the most optimal

which gives the most optimal "chambering" of sound

this product you can trust

that gives the most reduction in FPS output

Turn your AEG into a HPA speedsoft monster build with this fancy upper from Airtac Customs USA

7.4V 600mAh 30C LiPo for HPA Engines (JST) sparklabs which gives the most optimalHigh discharge battery for HPA engines. This little but powerful LiPo battery has twice the capacity of usual HPA batteries, and with new high discharge materials. This ensures a significantly higher total shot capacity, especially with engines that rely on higher amperage to function, or in cold weather. The battery measures 80mm x 16mm x 10mm and can easily fit in grips, stocks or other small places. The battery comes with JST plug for engine