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Lithium Polymer Battery

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Created with Pixso. Home Created with Pixso. Products Created with Pixso.
Lithium Polymer Battery
Created with Pixso. 802050 3.7V 800mAh Li Polymer Battery For GPS Tracker Wearable Devices
802050 3.7V 800mAh Li Polymer Battery For GPS Tracker Wearable Devices
  • Name
  • Name
  • Name
  • Name

802050 3.7V 800mAh Li Polymer Battery For GPS Tracker Wearable Devices

Brand Name: Vats Battery
Model Number: 802050
MOQ: 5 pcs
Price: $1.18~1.56
Delivery Time: 7 work days
Payment Terms: T/T
Detail Information
Product Description
Ratings & Reviews
Detail Information
Place of Origin:
Guangdong, China
Certification:
UL1642//UL2054/CB/KC/PSE/CE/ROHS/UN38.3/MSDS
Nominal Capacity:
800mAh
Nominal Voltage:
3.7V
Max Charge Voltage:
4.2V
Max Discharge Current:
1C
Standard Discharge Current:
0.2C–0.5C
Cycle Life:
500 Cycles
Packaging Details:
Industrial cartons compliant with air & sea shipping standards
Supply Ability:
Ships in 7 Business Days (In-Stock) / 30 Business Days (Out-of-Stock)
Highlight:

3.7V Li Polymer battery for GPS tracker

,

800mAh wearable device battery

,

Lithium Polymer battery with warranty

Product Description
802050 3.7V 800mAh Li Polymer Battery For GPS Tracker Wearable Devices
802050 3.7V 800mAh Li Polymer Battery for GPS Tracker & Wearable Devices
Specifications
ModelHZ802050
Cell TypeLithium polymer battery
Dimension8±0.2×20±0.5×50±2.5 mm (Thickness×Width×Length)
Nominal Capacity800mAh, custom capacity/size/voltage available
Nominal Voltage3.7V
Max Charge Cutoff Voltage4.2V
Standard Discharge Current0.2C–0.5C
Max Continuous Discharge Current1C
ConnectorJST / Molex, customizable
Cycle Life500 cycles
Lead Time2–3 weeks for custom order; 3–7 days for in-stock items
Product Brief
This reliable li polymer battery delivers steady 3.7V power for compact smart gadgets and GPS trackers. As a practical lithium ion battery cell, it fits tight spaces and supports consistent daily operation for portable electronics.
Why Choose Us
  • Custom Size & Connector Options: Adjust capacity, voltage and plugs to match your device design, no forced standard specs for your product development.
  • Stable 1C Discharge Performance: Smooth power output prevents sudden shutdowns, ideal for continuous-use compact electronics like GPS trackers.
  • 500-Cycle Long Service Life: Reduces frequent replacement cost for end users and lowers your after-sales support workload.
  • Industrial-Grade Safe Packaging: Packed to meet international air & sea shipping standards, easy for global bulk logistics.
  • Flexible Sample & Bulk Lead Time: Fast stock shipment for quick testing, and controlled production cycles for large batch orders.
  • Compact 3.7V Wearable Device Battery Form Factor: Thin 8mm profile fits small handheld and wearable hardware without bulky modification.
Product Application
This li polymer battery works well for many portable smart devices across home, travel and outdoor scenarios. It fits:
Dash cameras GPS navigators Smart home appliances Massagers Digital cameras Sprayers Dental rinsers Smart bracelets Blackhead removers Remote controls Smartwatches Electric toy guns Air pumps Smart bins Bluetooth speakers Fingerprint locks Electric clippers Pet training collars Pest repellers Camping lights Robot vacuums Electric toothbrushes Pet water fountains Electric shavers Handheld fans Other compact smart electronics
FAQ
Q: Is this 3.7V wearable device battery customizable?
A: Yes. We support custom size, capacity, voltage and connector to match your hardware design.
Q: What is the cycle life of this lithium ion battery cell?
A: It supports up to 500 charge-discharge cycles under proper use.
Q: Can I get samples for testing?
A: Sample testing is available for validation before bulk orders.
Q: What is the production & shipping timeline?
A: 2–3 weeks for custom orders; in-stock items ship within 3–7 working days.
Q: What maximum discharge current does this li polymer battery support?
A: Max continuous discharge current is 1C, standard discharge range 0.2C–0.5C.
Q: What connector choices are offered?
A: JST or Molex connectors, we can select per your request.
Q: Is the package acceptable for international air shipment?
A: Yes, our carton packaging meets global air and ocean transport standards.
After-sales Guarantee
We provide consistent quality inspection before shipment for this lithium ion battery cell. Reach our professional support team promptly for compatibility and technical inquiries. All units follow standard industry warranty terms. We offer transparent order updates and proper packaging for safe worldwide delivery. Contact us directly if you have questions on custom specs or sample arrangement.
Ratings & Review

Overall Rating

5.0
Based on 50 reviews for this supplier

Rating Snapshot

The following is the distribution of all ratings
5 stars
100%
4 stars
0%
3 stars
0%
2 stars
0%
1 stars
0%

All Reviews

M
Markus K.
Germany May 15.2026
Helpful (45)
Ich war anfangs echt ein bisschen skeptisch, weil man im Netz ja viel zu hören bekommt, wenn es um Li-Polymer-Akkus geht. Aber der originale E66 Akku hier? Junge, Junge... das Teil ist ein Biest! Ich habe die Zelle jetzt seit ein paar Wochen in meinem DIY-Solar-Projekt verbaut und ausgiebig getestet. Was soll ich sagen: Die 66ah sind absolut real, kein Fake-Wert! Die Kapazität ist stabil, die Spannung von 3.7V bleibt auch unter Last super konstant und das Teil wird beim Laden kaum handwarm. Man merkt einfach sofort, dass die Verarbeitungsqualität stimmt und das PCB-Schutzboard ordentlich mitgedacht wurde. Für den Preis kriegt man hier in Deutschland aktuell kaum was Besseres. Versand war auch fix, Verpackung war bombensicher – so muss das laufen! Wer verlässliche Power sucht, kann hier echt bedenkenlos zugreifen. Von mir gibt's eine klare Kaufempfehlung und verdiente 5 Sterne. Daumen hoch!
R
Robert T.
United States May 13.2026
Helpful (99)
As a veteran engineer in portable audio and smart hardware R&D, I demand the absolute best in battery electrical performance. We sourced this 103048 3.7V 1500mAh Li-polymer battery for a BT speaker project, and its real-world performance has completely blown us away.
H
Harry
United Kingdom Mar 18.2026
Helpful (90)
I bought these 805050 3.7V 2500mAh lithium polymer batteries to replace the old cells in my Bluetooth speakers, and they work brilliantly. Fit is absolutely perfect, no trimming needed at all. The voltage and capacity are spot on, my speakers now hold charge for much longer than before. Power output is stable, sound quality isn’t affected one bit. They’re well-made and feel really durable. Delivery arrived quickly, items were well packed with no damage. Great value for money compared to local stores. I’ve been using them daily for weeks with zero issues. Would absolutely recommend these batteries to anyone needing replacements for wireless speakers. I’ll be coming back to buy more soon!
Tags: 

Lithium Ion Polymer Battery  

Rechargeable Li Polymer Battery  

Lipo Battery

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