lipo

[stuart]

anyone no were I can get a couple of spare battery can only seem to find genuine 3D Robotics ones im looking for 5100mah 11.1 v 8c that';s all that';s written on it any help would be great cant seem to find that size on ebay

[guest325]

These would do the job if the size is ok. The exact capacity and C rating is less important than the size, provided it fits in the airframe it will work fine.
http://www.hobbyking.com/hobbyking/store/__26672__Turnigy_5000mAh_3S_20C_Lipo_Pack_UK_Warehouse_.html