Hit every cartridge like royalty! This 510 (standard thread) premium battery from Royal Highness is designed to handle any cart on the market, including Royal Highness’ thicker waxes. The turn dial at the base of the battery allows you to dial-in your voltage (range 3.3v – 4.8v) for maximum clouds! Standard push-button features include 5-click power on/off, and 2-click preheat mode for up to 15 seconds. USB charger included with an auto-shut-off feature to preserve battery cells.