The Key Box Battery is a compact and unique battery mod, inspired by a car's key fob. It's powered by a 650mAh internal battery and features convenient USB plug-in charging.
Its LED indicator shows battery status, and its threaded connection is compatible with most 510 threaded cartridges. It also supports atomizer rated as low as 1.2ohm.
Easy to carry and ideal for traveling. Customized adjustable voltage battery.
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