SMOK eGo Winder Variable Voltage Battery - 1300mAh
SMOK eGo Winder battery has a redesigned circuit board from previous twist style batteries. You can adjust the battery voltage output from 3.2V to 4.8V.
What's more, it is safer than regular eGo batteries as it offers short circuit protection, safety cutoff / atomizer protection and low voltage protection.
eGo thread and works with 510 / eGo atomizers.