[No Battery essential] - In contrast to most trackers that must be charged every number of times, this 1 runs right off your vehicle's power. Unit goes to snooze a few minutes after the ignition cuts off. Set it and forget about it. Nevertheless, 1 could argue this in itself https://www.trackerfit.co.uk/blog/stolen-car-recovery-why-24-7-monitored-trackers-make-a-difference/