This is a Trinity RevTech 2S 7.6V 4000mAh Graphene LiPo Flat Style RX/Tx Pack with a Universal Receiver Plug. The Graphene LiPo battery is produced with higher grade safer materials, which results in longer battery life. The Graphene's new assembly technology limits "cell puffing" resulting in a more durable and impact resistant battery. Packs come with heavy gauge universal receiver plug.
Capacity @7.4V: 2500mah
Connector Type: Univ Receiver Plug
Balance Connector: XH Balance Lead
Dimensions (LxWxH): 86x29x17mm Flat
Maximum Charge Rate: 1C = 2.5amps
Weight: 86g avg