LCG Shorty 2s. Fast, low center of gravity. Perfect for indoor off-road. Also used in 2s on-road racing. A high performance 2s battery in a 1s sized case with 4mm bullets. A powerful 7.4 volts hidden in a 3.7 volt case.  High power 120c rating, with 3800 mAh and 7.4 volts.  93 x 47 x 18.5mm, 156g