500mAh Neckband Li-Po Battery – 3.7V Rechargeable Lithium Polymer Battery
The 500mAh Neckband Li-Po Battery is a compact, lightweight 3.7V rechargeable Lithium Polymer (Li-Po) battery designed for neckbands, Bluetooth headsets, portable speakers, IoT devices, and other compact electronic projects.
With a 500mAh capacity, this single-cell Li-Po battery provides a practical rechargeable power source where low weight, compact size, and reliable energy storage are important. It is particularly suitable for replacing batteries in compatible neckbands and developing portable electronics projects.
Li-Po batteries offer a slim and lightweight form factor compared with many conventional rechargeable battery technologies, making them well suited for wearable and portable electronics.
Key Features
- 500mAh Capacity – Suitable for compact, low-power electronic applications.
- 3.7V Nominal Voltage – Standard single-cell Li-Po voltage.
- Rechargeable – Designed for repeated charge and discharge cycles when used with a suitable Li-Po charging circuit.
- Lithium Polymer Chemistry – Compact and lightweight battery technology.
- Neckband Compatible – Suitable for compatible wireless neckbands and Bluetooth headsets.
- DIY Friendly – Useful for IoT, embedded systems, portable electronics, and hobby projects.
- Compact Form Factor – Designed for applications where available space is limited.
- Single-Cell Battery – Suitable for circuits designed for a single 3.7V Li-Po cell.
Technical Specifications
| Specification | Details |
|---|---|
| Product Type | Rechargeable Li-Po Battery |
| Battery Chemistry | Lithium Polymer |
| Nominal Voltage | 3.7V DC |
| Capacity | 500mAh |
| Cell Configuration | 1S / Single Cell |
| Rechargeable | Yes |
| Application | Neckband, Bluetooth Headset, Speaker, IoT & DIY |
| Connector | Depends on variant / stock |
| Protection Circuit | Verify product variant before use |
| Battery Type | Li-Po / Li-Polymer |
Note: Physical dimensions, connector type, protection circuitry, and wire configuration may vary depending on the battery lot. Please verify the actual product specifications before designing a PCB or replacement assembly.
Applications
This 500mAh Li-Po battery can be used in:
- Bluetooth neckbands
- Wireless earphones and headsets
- Portable Bluetooth speakers
- Wearable electronics
- IoT devices
- ESP32/ESP8266 portable projects
- GPS and tracking devices
- Arduino-based portable projects
- DIY electronics projects
- Compact embedded systems
- Battery-powered sensors
- Portable instrumentation
Charging & Safety
Use a dedicated single-cell Li-Po charging circuit designed for a 3.7V Li-Po battery. Do not connect the battery directly to a 5V supply.
Handle Li-Po batteries carefully. Avoid short-circuiting, puncturing, crushing, overcharging, deep discharge, or exposing the battery to excessive heat. If the battery becomes swollen, damaged, unusually hot, or deformed, discontinue use immediately.
Important: Do not assume that this battery includes a built-in protection circuit. Confirm the specific battery variant before connecting it to your project.
Package Includes
- 1 × 500mAh 3.7V Rechargeable Li-Po Battery