In @Mooch we believe...
Mooch's Recommended
I myself use LG HG2 and Sony VTC6 because both are 3000mah and has history. Although, I barely use on average 14amps on my dual battery regulated mod, these batteries can do more than what I need it for. (0.3 ohm, 40watt-ish) YMMV, but they do last...