Spektrum 5000mAh 2S 7.4V SMART G2 30C IC3 SPMX52S30H3

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 IC3 and IC5 connectors are also compatible with EC3 and EC5 styles Requires Spektrum G2 Smart Charger (or earlier Spektrum Smart Charger with G2 firmware update).