The 14500 3.7V 500mAh Li-ion Battery is a compact rechargeable lithium-ion cell designed for small electronic devices, DIY projects, portable electronics, flashlights, and battery-powered circuits. Its 14500 size is similar to an AA battery in physical dimensions, but it has a higher nominal voltage of 3.7V.
Features
- Rechargeable Li-ion battery
- 3.7V nominal voltage
- 500mAh capacity
- Compact 14500 cylindrical form factor
- Suitable for portable and low-power electronics
- Lightweight design
- Protected against short circuit when used with appropriate protection circuitry
- Ideal for DIY electronics projects
Specifications
| Specification | Details |
|---|---|
| Product Type | Rechargeable Li-ion Battery |
| Battery Size | 14500 |
| Chemistry | Lithium-Ion (Li-ion) |
| Nominal Voltage | 3.7V |
| Capacity | 500mAh |
| Energy | 1.85Wh |
| Cell Type | Cylindrical |
| Shape | Round |
| Rechargeable | Yes |
| Positive Terminal | Button Top |
| Nominal Dimensions | Approx. 14 × 50 mm |
| Applications | Portable & DIY Electronics |
Applications
- LED flashlights
- Small portable electronics
- DIY electronic projects
- Sensors and monitoring devices
- Low-power IoT projects
- Emergency lighting
- Battery-powered modules
- Small robotics projects
Advantages
- Compact and lightweight
- Rechargeable and reusable
- Good energy density for its size
- Easy to integrate into compact electronic projects
- Suitable for a wide range of 3.7V applications
Size
- Battery Size: 14500
- Approx. Diameter: 14 mm
- Approx. Length: 50 mm
Package Includes
- 1 × 14500 3.7V 500mAh Li-ion Battery
Note
This is a 3.7V Li-ion cell, not a standard 1.5V AA battery. The typical full-charge voltage of a Li-ion cell is approximately 4.2V. Use a compatible Li-ion charger and suitable protection circuitry. Do not short-circuit, overcharge, over-discharge, puncture, or expose the battery to excessive heat.







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