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Custom Lithium Battery Packs for UAVs, Power Tools & More

Factory-Direct | High-Quality | Multi-Application

3.7V 16mAh curved lithium polymer battery model 156825 for smart rings and compact electronics
3.7V 16mAh curved lithium polymer battery model 156825 for smart rings and compact electronics
Ultra-Thin Curved LiPo Battery for Wearable Devices
156825 Curved Lithium Polymer Battery 3.7V 16mAh
	Bulk Packaging of 156825 Curved Lithium Polymer Batteries for Wholesale Export

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Ultra-thin Lithium Polymer Rechargeable Curved Ring Battery 156825 16 mAh 3.7V

Every battery gets capacity check before production to make sure it delivers as promised.

Smart Ring Battery – This curved lithium-polymer battery is made for wearable smart rings. It handles 300 charge cycles and still keeps 80% of its original capacity. Works with almost all smart rings out there.

156825 3.7V 16Mah Curved Lithium Polymer Ring Battery Specifications

Model & Type

  • Model: Apsenx-156825-3.7V-16mah
  • Type: Curved lithium polymer battery, designed for smart rings

Dimensions & Weight

  • Size: 1.5 × 6.9 × 25 mm, ultra-thin and compact
  • Weight: Lightweight and portable, barely noticeable when worn

Voltage & Capacity

  • Nominal Voltage: 3.7V, stable power output
  • Capacity: 16mAh, low self-discharge keeps it ready for use

Charge & Discharge Temperature

  • Charge Temperature: 0°C~45°C
  • Discharge Temperature: -20°C~60°C

Cycle Life & Efficiency

  • Cycle Life: Over 300 charge/discharge cycles
  • Efficiency: Maintains around 80% of original capacity after repeated use

Applications & Compatibility

  • Applications: Smart rings, hearing aids, mini cameras, LED lights, small instruments
  • Compatibility: Compatible with 99% of smart rings on the market
SpecificationDetails
ModelApsenx-156825 Curved Ring Battery
Dimensions1.5 × 6.9 × 25 mm
Nominal Voltage3.7V
Capacity16mAh
Discharge Temperature Range-20°C to 60°C
Charge Temperature Range0°C to 45°C
Cycle Life>300 cycles
ApplicationsSmart rings, hearing aids, cameras, audio LED lights, robots, instruments, meters, etc.

The 156825 ring battery lasts long with almost no self-discharge—no worries about losing power. Wide nickel tabs keep current stable and handle heat better.

Each battery is fully tested before leaving the factory. Apsenx supplies various shapes and sizes for smart wearables, and we can customize to fit your device.

Want a sample or custom battery? Contact us today.

156825 3.7V 16Mah Curved Lithium Polymer Ring Battery FAQ

How long does this battery last?

Under normal use, it supports over 300 charge cycles and retains around 80% of its capacity even after extended use.

What should I know about charging?

Charge within 0°C–45°C. Avoid extreme temperatures, which may affect battery life.

Which devices is it compatible with?

Designed for smart rings, earbuds, mini cameras, LED lights, and other small wearable or portable devices.

Is customization available?

Yes. We can provide custom sizes, capacities, or shapes according to your requirements.

Is the battery safe?

Yes. It uses a safe lithium polymer design and wide nickel strips for low heat and stable current output.

How can I get a sample?

Contact our factory to request samples for testing or a quote for bulk orders.

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