Lithium Ion (Lithium Polymer - LiPo) 11.1 V 1800 mAH Small Battery
Highest Capacity Battery on the Market for size!
Lithium Ion Battery is the same type of battery used in your Cell Phone and Camera
1800 mAH Capacity with the same size as a 600 NiCad or 1200 Ni-MH

Charger sold separately: TEN01267, VB1015