The Lookah LOAD 510 threaded battery has 3 temperature controls and 500mAh of power for your 510 pods. The large-capacity battery has a digital display has a segmented battery readout. Together those show the voltage setting and the remaining battery life. The battery is available in one of 5 colors. Black, grey, red, blue, or orange. How to Use the FIREBEE 510 thread battery. Turn on/off - 5 clicks of the power button within 2 seconds. Change voltage mode - double-click the power button. Three voltages Mode 1, 3.2V Mode 2, 3.6V Mode 3, 4.0V. The voltage is indicated by a number (1, 2, or 3) shown on the display screen. To Use - Press and hold thew power button for up to 10 seconds while inhaling from the device. The Lookah FIREBEE can be used with many 510 threaded prefilled and refillable pods. This discreet and easy-to-use battery is super affordable and very portable. Package contents. 1 Firebee 510 thread battery.