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Lithium Polymer Battery
Created with Pixso. 3.7V 1000mAh 102050 Rechargeable Li Polymer Battery For Wearable Smart Devices

3.7V 1000mAh 102050 Rechargeable Li Polymer Battery For Wearable Smart Devices

Brand Name: VATS Battery or Neutral
Model Number: 102050
MOQ: 10
Price: $1.08-1.8
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
Cycle Life:
500 Charge Cycles
Battery Size:
10±0.2*20±0.5*50±2.5mm
Max Charge Voltage:
4.2V
Capacity:
1000mAh
Discharge Rate:
0.5C
Voltage:
3.7V
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 1000mAh Li Polymer Battery

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102050 rechargeable battery for smart devices

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wearable device LiPo battery with warranty

Product Description
3.7V 1000mAh 102050 Rechargeable Li Polymer Battery For Wearable Smart Devices
Product Overview

3.7V 1000mAh 102050 Rechargeable Li Polymer Battery for Wearable & Smart Devices

Specifications
Item Details
Model HZ102050
Cell Type Lithium polymer battery
Dimension 10±0.2*20±0.5*50±2.5mm (Thickness*Width*Length)
Nominal Capacity 1000mAh, custom size/capacity/voltage available
Nominal Voltage 3.7V
Max Cutoff Voltage 4.2V
Standard Discharge Current 0.2C-0.5C
Max Continuous Discharge Current 1C
Connector JST / Molex, customizable upon request
Cycle Life 500 charge cycles
Packaging Industrial carton, compliant with air & ocean shipping rules
Sample Service Sample testing supported
Lead Time 2-3 weeks for custom orders; 3-7 days for in-stock items
3.7V 1000mAh Li Polymer Battery - Front View 3.7V 1000mAh Li Polymer Battery - Side View 3.7V 1000mAh Li Polymer Battery - Technical Details 3.7V 1000mAh Li Polymer Battery - Application Example
Product Brief

This reliable li polymer battery delivers steady 3.7V power for small electronics. As a compact 3.7V wearable device battery, it fits many portable gadgets, with customizable connectors to match your device design and stable performance for daily use.

Why Choose Us
  • Stable 3.7V Continuous Output: Consistent power supply avoids sudden shutdowns for your portable electronics, protecting circuit boards and extending your device working time.
  • Customizable Size & Connector Options: We tailor capacity, voltage and JST/Molex connectors to match your product, ideal if you need a bespoke lithium ion battery cell for new product development.
  • 500-Cycle Long Service Life: Built for repeated daily charge and discharge cycles, lowering your long-term battery replacement cost for consumer electronic products.
  • Safe & Shipment-Ready Packaging: Industrial carton packing meets international air and sea transport standards, smooth logistics without extra shipping delays.
  • Sample Testing Available: Test this 3.7V wearable device battery first before bulk purchase, to verify compatibility with your end products.
Product Applications

This li polymer battery works well for a wide range of portable and smart electronics. Common compatible devices include:

  • Car dash cameras and GPS navigators
  • Smart home appliances and massagers
  • Digital cameras and sprayers
  • Dental rinsers and smart bracelets
  • Blackhead removers and remote controllers
  • Smartwatches and electric toy guns
  • Electric air pumps and smart trash cans
  • Bluetooth speakers and fingerprint locks
  • Smart speakers and electric hair clippers
  • Dog trainers and pest repellers
  • Camping lights and robot vacuums
  • Electric toothbrushes and pet water fountains
  • Electric shavers and handheld mini fans

Suitable for home use, outdoor camping, daily commuting and travel portable devices.

Frequently Asked Questions
Is this a 3.7V wearable device battery suitable for small smart wearables?
Yes, this li polymer battery features a slim 102050 form factor, perfect for compact wearables and small portable electronics.
Can I get a custom connector or modified capacity for my product?
Sure. We support custom size, voltage, capacity and JST/Molex connectors for your lithium ion battery cell project.
How long is the production lead time?
Stock items ship within 3-7 days. Custom bulk orders take 2 to 3 weeks for production.
Can I order samples for testing?
Yes, sample testing is supported to check performance and device compatibility before bulk orders.
What is the cycle life of this lipo battery?
It supports up to 500 standard charge-discharge cycles under proper use.
What is the maximum discharge current?
The maximum continuous discharge current is 1C, standard discharge rate is 0.2C-0.5C.
Does the packaging meet international air shipping rules?
Yes, we use qualified industrial carton packaging that complies with air and ocean shipping standards.
What is the maximum charging cutoff voltage?
The max cutoff charging voltage is 4.2V, please use a matched 3.7V lipo charger.
After-sales Guarantee

We are a professional lithium battery manufacturer. All our li polymer battery units go through basic quality checks before shipment. Please follow the specified charge voltage to maintain battery lifespan. Reach our support team quickly if you encounter compatibility or quality issues within normal usage scope. We provide responsive technical support for your 3.7V wearable device battery integration and bulk order planning.

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

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.
H
Harry
United Kingdom Mar 18.2026
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!