Amazon.com: Gpsnvision - Portable Real time GPS Tracker for Vehicles, Ready to use Hidden car Tracker with 3 Months Battery Life, 4G Waterproof Magnetic GPS Tracker for Asset Tracking - Secret Tracker. :
Tectra 3pcs 1200mah Aha11111008 Vfad Gps Li-ion Battery For Tomtom 4fl50 4fl60 Go 5000 Go 5100 Go 6000 Go 6100 Pro Truck 525 - Digital Batteries - AliExpress
Battery Trimble R8s | Gps Receiver | Gps Trimble | Tsc1 | Instrument Parts Accessories - New - Aliexpress
Synergy Digital GPS Battery, Works with Mitac Mio P550 GPS, (Li-ion, 3.7, 1250mAh) Ultra High Capacity Battery - Walmart.com
Battery GPS devices for long-term tracking of assets - Level Systems - Electronic Monitoring