I was looking at Hobbyking but must admit I find it a bit confusing, not really sure what would be the best to give me 36v 10aH, or 12,15aH. The BMS LiPO4 36Volts.10aH, weighs in @ 4.5kg and has Lifecycle: 2000Cycles for £201 if not caught for taxes.
I know the Hobbyking gear is highly regarded...