[No Battery desired] - Contrary to most trackers that must be charged each several days, this a single runs right off your vehicle's electric power. Device goes to slumber a few minutes after the ignition cuts off. Set it and forget about it. Very easy to UseWith the integrated 4G https://www.trackerfit.co.uk/blog/stolen-car-recovery-why-24-7-monitored-trackers-make-a-difference/