rainbow x 6 battery US $9.95 - 12.5 / Piece free shipping DHL

Fully-filledatomizer 200-300puffs

Battery capacity 1300mah

Voltage indicator light Red-3.6v, purple-3.8v, blue-4.2v

input 4.2v

output 3.6v/3.8v/4.2v

Charging time 3-5 hours

Battery lifetime 300 times

Charger input 100-240v

http://www.dhgate.com/product/x6-battery-vv-1300mah-variable-voltage-rainbow/200812976.html