My HV Outrunner REVO

[BL-Power]

Like othello and skellyo already said, i am using 8s Lipo and the Jazz can take up to 65A peak, i think nearly 2000w should be enough for a 9.7lbs Revo. If you want to use a Jazz on 4s Lipo, you could try a Jazz 80, it can take up to 6s Lipo and 100A.