Description
HONGLI ET11366 14500 Li-ion Rechargeable Battery – 3.7V 500mAh
The HONGLI ET11366 14500 Lithium-Ion Battery is a rechargeable power source designed for compatible compact electronic devices, DIY electronics, and portable projects. It has a stated nominal voltage of 3.7V and a capacity of 500mAh, making it suitable for applications designed for a single 14500 lithium-ion cell.
The 14500 format is similar in size to a standard AA battery, but it uses a different voltage and chemistry. Always verify device compatibility before installation.
Key Features
- Rechargeable lithium-ion battery.
- Nominal voltage of 3.7V.
- Stated capacity of 500mAh.
- Compact 14500 cylindrical cell format.
- Suitable for compatible portable electronics and DIY projects.
- Model identification: HONGLI ET11366.
- Designed for devices that support 14500 lithium-ion batteries.
Technical Specifications
| Specification | Details |
|---|---|
| Brand | HONGLI |
| Model / Identifier | ET11366 |
| Battery Type | Rechargeable lithium-ion |
| Cell Format | 14500 |
| Nominal Voltage | 3.7V |
| Rated Capacity | 500mAh (as specified) |
| Energy | Approximately 1.85Wh, based on stated voltage and capacity |
| Rechargeable | Yes |
| Chemistry | Lithium-ion |
| Applications | Compatible portable electronics and DIY projects |
Applications
- Compact battery-powered electronics
- Compatible LED devices and torches
- DIY electronics and prototyping
- Small robotics projects
- Portable electronic equipment designed for 14500 cells
Important Safety Notes
- A 14500 lithium-ion battery is not a direct replacement for a 1.5V AA battery. Its nominal voltage is 3.7V and its fully charged voltage is typically 4.2V.
- Use a charger designed specifically for compatible single-cell lithium-ion batteries.
- Verify the device’s supported battery chemistry, voltage, dimensions, and terminal style before use.
- Do not short-circuit, puncture, crush, or expose the battery to excessive heat.
- Check whether the cell includes built-in protection; protection is not guaranteed.
- The stated 500mAh capacity is based on the supplied product information.







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