BQLZR Purple Upgraded 6V -24V Electronic Glow Plug Starter Igniter for Nitro RC Car Only need to power by putting on the battery you carry, easy to use. This item can be worked on any of 6V-24V batteries. Note:Need 500-5000 mA current for normal use. It must use at least 6V 800 mAh battery .If it doesnt work after working a few times, the battery should be exhausted. Please try another battery.