1up Racing has just released the new Pro Pit Iron 6S LiPo battery pack. This compact 1000mAh LiPo battery assured great heat up and recovery times and enough capacity to power the iron at full temp for over 2 hours.
The Pro Pit Iron 6S LiPo battery measures 7cm x 3,4cm x 3,2cm and comes with an XT60 power plug and a standard balancer plug.
Source: 1up Racing