Core RC LiPo battery range
The new Core RC LiPo battery range is designed to provide low cost racing or RTR fun with all the advantages of LiPo battery technology. These rounded batteries are an ideal replacement for older technology 7.2v NiMh and NiCds, fitting into most RTR and sport vehicles alike. Available in 4000mAh and 3000mAh 20C packs fitted with Deans Ultra Plug for extreme high current load and JST-EH Balance type plug.
Source: Core RC [racing-cars.com]