Saucey Magnetic Cart Battery

If you're looking for something discreet and easy to fit in your pocket, look no further! This 510-thread compatible battery is button activated, with an additional button on the bottom of the battery that adjusts the voltage and provides a preheat function. 400mAh with three voltage settings: 2.9v, 3.3v, 3.6v Button on bottom changes voltages and offers preheat function Two sizes of magnetic adapters included for 1.0/2.5ml or 0.5ml cartridges