Meet the Tronian Nutron 510 Battery – a stylish, affordable, and portable 510 threaded battery with excellent build quality. Available in pitch-black, the Tronian Nutron features a smooth, rubberized finish that keeps it protected while sitting in your pocket or bag. Its universal compatibility fits seamlessly with nearly any 510 vape cartridge.   Control your vape experience with Tronian Nutron’s simple, single-button mechanism that lets you easily cycle through 3 different voltage settings and a pre-heat mode that can really come in handy for winter. This 510 battery includes its own USB charger and instruction manual.   Due to shipping restrictions related to lithium-ion content,?510-thread battery orders?are limited to 4 batteries per order.