Li-Po Car Hard Case Adv. G-Tech 4S2P 15.2V 10000mAh 100C HarProduct Details Advanced 4. 35V HV Series, New generation of RC Smart batteries. The Advanced series design concept is based on being a more convenient, user friendly and safety oriented series of batteries. We produce the high quality LiHv cells, hard case, internal circuitry, power indicator lights and other smart features. The first concept of 4. 35V high voltage allows higher energy density and longer battery life. Each cell with 3. 8V nominal