Latest from Vampire Racing:

Our popular and long lasting Vampire Racing Lithium-Ferrite receiver battery packs are now available in a new 2014 edition. Coming in industry standard "straight" or "hump" pack dimensions the 2S packs with a voltage of 6.6V allow the direct use with standard voltage receivers and servos without the need for a voltage regulator as 7.4V LiPo packs do. The straight pack makes use of 1600mAh cells while the hump pack comes built from high capacity 1900mAh cells. Both packs are pre-wired with XH balancer connectors and a JR/Futaba compatible universal plug.

#VR-1101 Vampire Racing 1600mAh 6.6V LiFe straight RX battery pack

http://www.vampire-racing.com/node/41

#VR-1102 Vampire Racing 1900mAh 6.6V LiFe hump RX battery pack

http://www.vampire-racing.com/node/42