These ergonomic 1100 mAh rechargeable batteries include a USB charger, and are designed with the standard 510 thread. The battery is designed with three (3) heat settings, and take about an hour to recharge.
Battery Instructions: To turn the battery on or off, simply press the button five (5) times. The battery has 3 heat settings, low (Green light 2.7V), medium (Blue light 3.4V), and high (Red light4.3V), and this is changed by pressing the button three (3) times.
*Prices subject to change without notice.