Sony VTC6 18650 3000mAh Vape Battery $5.99

The new Sony VTC6 18650 Batteries and the reviews are quite good with some tests showing these batteries operate at a somewhat higher voltage and will last a little longer in your mod versus the popular Samsung 30Q or LG HG2 batteries.

LG HG2 3000mAh 18650 Battery $4.49

The LG HG2 has some amazing specs with 20 amps, 3000 mAh rating, it doesn't get better than that. A battery which is high drain and has high capacity is just what you need for your favorite mod.