EVOD 3.7V Fixed Voltage Battery 650mah

At 650 mah capacity this EVOD battery is compact and long lasting! Unlike pen batteries, one charge will definitely last you all day. You'll get a big puff of vapor out of cartridges that require a little more power. Do have some cartridges lying around that stopped working? There's a good chance you just need a more powerful battery and this just might do the trick. We've carried the EVOD for a year now and tested it with many cartridges as well as carrying it with us all day. It is a durable and reliable vape battery particularly if you remove the cartridge if the pen is bouncing around i…