Spektrum 2200mAh 4S 14.8V SMART G2 50C IC3 SPMX224S50

Easy to Use LiPo Battery Technology: balance charge through IC3 or IC5 connector data wire - with only one connection, no balance lead required. Smart Auto Storage Discharge: Smart batteries automatically discharge to a safe storage voltage after 72 hours of inactivity resulting in longer battery life and better performance over the life of the pack. Unique Data: integrated microchip inside the battery stores unique battery parameters and allows you to make the most informed decision about your battery Powerful 50C continuous discharge rating to deliver high performance and longevity. Requires Spektrum G2 Smart Charger (or earlier Spektrum Smart Charger with G2 firmware update).