Directions
Simply attach your favourite 510-thread cartridge to the battery, and click the button 5 times to turn on and off. To start preheat, click the button 2 times. The preheat will take 15 seconds, and colourful lights will flash when it is ready. To change heat settings on the battery, click the button 3 times.
Matthew Bastin (verified owner) –
Very solid battery though there are definitely better ones. Decent for the price and will fit the cartridges on the site. No problems with charging or usage and I would recommend it.