I have been using a couple if sets of these 4000mah 40C spec. They're good enough to run my 6.5t brushless 120a setup in a K2. They resisted balooning so far. Not as punchy as some of the more expensive stuff out there but great for the club racing that I do.
Last edited by bigalbi; 16-04-2016 at 05:07 PM.
Reason: Typo
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