inputs.text: great product - delivery tracks need track whenever delivery needed one could last longer week battery gps tracker found would battery last 6 days normal usage guess would twice day tracking need able track device 23 times day found tracker bought one test bought sim card local mobile store insert tracker fully recharging placed one delivery truck scheduled leave delivery tracked 23 times day everyday 10 days still working still sending accurate tracking information 9 days van came back still able call device track last long bought another two working perfectly