Restore Your Gadgets: The Ultimate 3.7V 500mAh Lipo Battery Solution
Batteries 3.7v replacementIs your favorite Bluetooth headset dying after just a few minutes of use? It is a common frustration with modern portable electronics; while the device itself remains in perfect condition, the internal lithium battery eventually loses its ability to hold a charge. Most people assume their expensive electric toothbrush or portable speaker is broken, but the reality is usually just a tired power cell that is destined for the landfill prematurely.
The 801350 (081350) 3.7V 500mAh Lithium Polymer Battery is the professional-grade answer to this e-waste problem. Engineered specifically for small-form-factor electronics, this high-performance rechargeable cell allows you to swap out the old battery and restore your devices to factory-fresh runtimes. It is a cost-effective, eco-friendly way to keep your essential tech in your hands and out of the trash.
Price: US $4.75
Price as of January 18, 2026
Key Features
- High Energy Density: 500mAh capacity provides reliable, long-lasting power for low-drain portable devices.
- Standard 3.7V Output: Universally compatible with a wide range of Bluetooth headphones, speakers, and smart toothbrushes.
- Compact 801350 Size: Specifically dimensioned (8mm x 13mm x 50mm) to fit snugly into tight internal housings.
- Advanced Li-Polymer Chemistry: Features a safe, lightweight design with a low self-discharge rate for maximum shelf life.
- Built-in Safety Circuit: Integrated protection board prevents overcharging and over-discharging to ensure user safety.
Why It’s Worth Buying
At under five dollars, this battery represents an incredible return on investment. Replacing the battery in a $50 pair of headphones or a $100 electric toothbrush is not only financially smart but also environmentally responsible. This specific 801350 model is highly versatile, fitting dozens of popular brands and DIY projects. By performing a simple repair, you bypass the high cost of replacement hardware and gain the satisfaction of extending the life of your favorite tools and toys.
Pros & Cons
Pros
- Massive cost savings compared to purchasing new electronic devices.
- Slim and lightweight profile ideal for wearable technology.
- Stable voltage delivery protects sensitive internal micro-circuitry.
Cons
- Requires basic DIY skills or soldering to install in most gadgets.
- Internal compartment dimensions must be verified before purchase.
- Not intended for high-drain applications like RC racing drones.
Conclusion
The 801350 3.7V 500mAh battery is the essential fix for any tired gadget. Whether you are restoring your daily Bluetooth headset or fixing a specialized electronic tool, this reliable and affordable cell provides the power you need to get back to work. Don’t replace—repair!