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Lithium Polymer Battery
Created with Pixso. 802045 3.7V 750mAh Li Polymer Rechargeable Battery For GPS Tracker Wearable Devices

802045 3.7V 750mAh Li Polymer Rechargeable Battery For GPS Tracker Wearable Devices

Brand Name: VATS Battery or Neutral
Model Number: 802045
MOQ: 10
Price: $1-1.68
Delivery Time: 7 work days
Payment Terms: T/T
Detail Information
Place of Origin:
Guangdong, China
Certification:
UL1642//UL2054/CB/KC/PSE/CE/ROHS/UN38.3/MSDS
Voltage:
3.7V
Battery Size:
8±0.2*20±0.5*45±2.5 Mm
Max Charge Voltage:
4.2V
Cycle Life:
500 Charge Cycles
Discharge Rate:
0.5C
Capacity:
750mAh
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 rechargeable battery

,

750mAh battery for GPS tracker

,

wearable device lithium polymer battery

Product Description
802045 3.7V 750mAh Li Polymer Rechargeable Battery For GPS Tracker Wearable Devices
802045 3.7V 750mAh Li Polymer Rechargeable Battery for GPS Tracker & Wearable Devices

Specifications
Item Details
Model HZ802045
Battery Type Lithium polymer battery
Dimension 8±0.2*20±0.5*45±2.5 mm (Thickness*Width*Length)
Nominal Capacity 750mAh, Custom size/capacity/voltage available
Nominal Voltage 3.7V
Max Cutoff Voltage 4.2V
Standard Discharge Current 0.2C–0.5C
Max Discharge Current 1C
Connector JST / Molex, customizable
Cycle Life 500 charge cycles
Packaging Industrial carton, meets air & sea shipping standards
Supply Source Direct from lithium battery manufacturer
802045 Li Polymer Battery - Front View 802045 Li Polymer Battery - Side View 802045 Li Polymer Battery - Technical Details
Product Brief
This reliable li polymer battery delivers steady 3.7V power for GPS trackers and compact electronics. As a stable lithium ion battery cell, it fits small wearable gadgets and portable devices, supporting custom connectors and sample testing for your project validation.

Why Choose Us
  • Stable 3.7V Wearable Device Battery Output
    Consistent voltage during discharge avoids sudden power drops that crash GPS trackers or portable electronics, protecting your device's normal operation.
  • 500-Cycle Durable Lifespan
    Long cycle life reduces frequent battery replacement, lowering long-term material and maintenance cost for your finished products.
  • Customizable Size, Capacity & Connector
    We adjust dimensions, power specs and JST/Molex plugs to match your device housing, perfect for bespoke compact electronic designs.
  • Factory Direct Supply & Sample Testing
    We are a professional lithium battery maker. You can order samples first to verify performance before bulk production, minimizing project risk.
  • Safe Shipping-Compliant Packaging
    Standard industrial carton meets international air and ocean transport rules for lithium cells, smooth logistics for global orders.

Product Application
This 3.7v wearable device battery fits a wide range of compact consumer and smart electronics. It works well for car dash cameras, GPS navigators, smart home appliances, massagers, digital cameras and sprayers. You can also use it for dental rinsers, smart bracelets, blackhead removers, remote controls, smart watches, electronic toy guns, electric air pumps, smart trash cans, Bluetooth speakers, fingerprint locks, electric hair clippers, dog training collars, pest repellers, camping lights, robot vacuums, electric toothbrushes, pet water fountains, electric shavers, handheld mini fans and other compact smart gadgets. It is a practical li polymer battery choice for small portable devices that require stable low-current power.

FAQ
Q: Is this a 3.7v wearable device battery suitable for GPS trackers?
A: Yes. This li polymer battery runs at nominal 3.7V and fits most compact GPS tracker designs.
Q: Can I get samples to test before bulk order?
A: Sample testing is supported. Contact our team to arrange test cells for your device validation.
Q: What is the production lead time?
A: Stock items ship in 3–7 days. Custom bulk orders take 2 to 3 weeks after confirmation.
Q: Can you change the connector or customize battery specs?
A: Yes. We support custom capacity, voltage, size and JST/Molex connectors to match your hardware.
Q: How many charge cycles can this lithium ion battery cell last?
A: It supports up to 500 charge cycles under standard working conditions.
Q: Does the packaging meet international shipping rules?
A: Yes. It uses industrial carton packaging compliant with global air and sea shipment standards for lithium batteries.
Q: What is the maximum discharge rate?
A: The max continuous discharge current is 1C, standard discharge range is 0.2C–0.5C.
Q: What devices is this battery commonly used for?
A: It fits GPS trackers, dash cams, wearables, small smart home products and most low-power portable consumer electronics.

After-sales Guarantee
We provide factory-backed support for this li polymer battery. All cells go through basic quality inspection before packing. If you receive defective items caused by manufacturing issues, reach out to our support team quickly for resolution. We support sample verification for bulk buyers to confirm performance ahead of mass production. Our team offers clear communication for custom orders, lead time updates and shipping document preparation for international delivery.
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
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
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.
O
Owen
Canada Apr 7.2026
I’ve been using this 357090 3.7V 2500mAh lipo battery for a few weeks now, and I’m really satisfied with it. It is steady-quality rechargeable lithium polymer batteries that perfectly match the rated voltage and capacity. Output efficiency is great, which helps me save a lot of working time. Build quality feels solid too, no weird noises or faults during daily operation. Shipping was fast and the packaging was protective. For small-scale battery production and copying work, this is absolutely a practical and cost-effective pick. I’d definitely recommend it to fellow business partners and will consider reordering in the future.