This is a 4 Cell Li-ion battery.
eBay
2pcs 3.7V 600mAh 2.22Wh 702040 Thermistor NTC 3 Wires JST 3Pin 1.0mm Plug Li-Polymer Rechargeable Li Battery For GPS Car Camera
Aliexpress UK
Specifications: About Battery: Brand: Shentec Quantity: 4Pcs Capacity: 800mAh Voltage: 9V Battery Type: 9V Li-ion Battery Reusability: Rechargeable Also know As Battery Models: 9V, 9VOLT, 6F22, 6LR61, 6AM6, PP3, LR22, MN1604, 1604, 1604A, 1604AC, 1604AU, A1604, 4022, BLOC, E-BLOC, X22, 522, CLR6, K9V, KA9, ND65V Compatible Devices: 9V Batteries are perfectly compatible with devices such as smoke detectors, carbon monoxide detectors, toys, wireless microphones, garage door openers, wireless doorbells, walkie-talkies, multimeters, stud finders, massagers, alarm clocks, insulin pumps, audio and medical devices, ultrasonic bark controls, and emergency location transmitters. About Charger: Input： Micro USB 5V/2A Output: 8.4V--260mA. 9V--80mA Fit for: 9V Ni-MH/Ni-Cd/Li-ion Rechargeable Battery.
eBay
2pcs 3.7V 450mAh 1.66Wh 602040 Thermistor NTC 3 Wires JST 3Pin 1.0mm Plug Li-Polymer Rechargeable Li Battery For GPS Car Camera
Aliexpress UK
Battery may change slightly in appearance from ones listed in photos.
eBay
3.7V 2000mAh 7.4Wh 804050 NTC Thermistor Replacement Rechargeable Li Battery JST 3Pin 1.5mm Plug For GPS Car Camera Tablet PC
Aliexpress UK
Year: 2023. Fuel type: Petrol. Make: Mazda. Most of the electronic parts (ECU, modules, headlights, head units etc.) may need coding/programming. Head units are sold are sold without a code. ALSO OFFSHORE ISLES: Shetland Isles, Isle Of Man, Western Isles, Scilly Isles, Channel Isles or another not attached to mainland UK.
eBay
2pcs 3.7V 300 mAh Rechargeable Polymer Li Battery 702025 Lipo For Bluetooth Speaker Headphones GPS Sat Nav Driving Recorder Mp4
Aliexpress UK
Shark Rechargeable Li-on Battery For Model XSBT251EU
eBay
2Pcs 3.7V 370mAh 1.36Wh Polymer Rechargeable Lithium Li Battery 502530 For GPS Camera Sat Nav Bluetooth Headphones Record Pen
Aliexpress UK
Capacity: 2000mAh. Battery Chemistry: Lithium Ion. To protect yourself and your property when charging, always use a Lipo safe Charging bag, to contain the battery. Type item number 284455210200 in the search bar above for the RCScrapyard Lipo safe bag.
eBay
10pcs 3.7V 100 mAh Rechargeable Polymer Li Battery 601417 Lipo For Speaker Headphones GPS Driving Recorder Bluetooth 3D Glasses
Aliexpress UK
Specifications: About Battery: Brand: Shentec Quantity: 4Pcs Capacity: 800mAh Voltage: 9V Battery Type: 9V Li-ion Battery Reusability: Rechargeable Also know As Battery Models: 9V, 9VOLT, 6F22, 6LR61, 6AM6, PP3, LR22, MN1604, 1604, 1604A, 1604AC, 1604AU, A1604, 4022, BLOC, E-BLOC, X22, 522, CLR6, K9V, KA9, ND65V Compatible Devices: 9V Batteries are perfectly compatible with devices such as smoke detectors, carbon monoxide detectors, toys, wireless microphones, garage door openers, wireless doorbells, walkie-talkies, multimeters, stud finders, massagers, alarm clocks, insulin pumps, audio and medical devices, ultrasonic bark controls, and emergency location transmitters. About Charger: Input： Micro USB 5V/2A Output: 8.4V--260mA. 9V--80mA Fit for: 9V Ni-MH/Ni-Cd/Li-ion Rechargeable Battery.
eBay
2pcs 3.7V 250 mAh Rechargeable Polymer Li Battery 701522 Lipo For Headphones GPS Sat Nav Driving Recorder Bluetooth Speaker Mp3
Aliexpress UK
eBay
XINJ 3.7V 4000 mAh 14.8Wh Lithium Polymer Rechargeable LiPo Li Battery 965068 For DIY GPS MID DVC PSP Phone Power Bank Tablet PC
Aliexpress UK