Description
The 18650 Li-ion 3.7V 5000mAh Rechargeable Battery is a high-performance lithium-ion cell designed for powering a wide range of electronic devices and DIY electronics projects. This cylindrical battery provides stable voltage output, high energy density, and long cycle life, making it one of the most widely used rechargeable batteries in modern electronics.
The 18650 lithium-ion battery is commonly used in power banks, robotics, LED lighting systems, IoT devices, battery packs, medical devices, portable electronics, and embedded electronics projects.
With a nominal voltage of 3.7V and high capacity of 5000mAh, this battery delivers reliable power for longer durations compared to standard rechargeable cells.
The compact cylindrical design makes it easy to integrate into battery holders, battery packs, and portable electronic designs.
🔧 Key Features
- High capacity 5000mAh lithium-ion battery
- Standard 18650 battery size
- Rechargeable and reusable cell
- Stable 3.7V output voltage
- Long battery life cycle
- High energy density
- Lightweight cylindrical design
- Reliable performance
- Low self-discharge rate
- Suitable for DIY electronics
- Ideal for portable devices
⚙️ Why Choose 18650 Li-ion Battery
The 18650 Li-ion 3.7V battery is popular because of its high capacity and compact size.
Advantages include:
- Long backup time
- Rechargeable up to multiple cycles
- Consistent voltage output
- Compact and lightweight
- Easy to connect in battery packs
- Cost-effective power solution
It is widely used by engineers and students for building portable electronic systems.
📊 Technical Specifications
| Parameter | Specification |
|---|---|
| Battery Type | Lithium-ion |
| Model | 18650 |
| Nominal Voltage | 3.7V |
| Capacity | 5000mAh |
| Rechargeable | Yes |
| Battery Shape | Cylindrical |
| Chemistry | Li-ion |
| Size Standard | 18650 |
| Application | Electronics Projects |
| Condition | Brand New |
🔋 Applications
The 18650 Li-ion 3.7V rechargeable battery is widely used in:
- Power banks
- Robotics projects
- Arduino battery supply
- IoT devices
- LED lights
- Emergency lights
- Flashlights
- Portable fans
- DIY electronics projects
- Solar battery systems
- Wireless devices
- Battery backup systems
It is suitable for both professional and hobby electronics applications.
🔌 Compatible Modules
Commonly used with:
- TP4056 Battery Charging Module
- MT3608 Boost Converter Module
- Battery holder 18650
- Power bank module
- ESP32 projects
- Arduino projects
It is ideal for creating rechargeable battery-powered circuits.
⚠️ Safety Instructions
- Use only compatible lithium battery chargers
- Do not short circuit the battery terminals
- Avoid overcharging
- Do not expose to high temperature
- Store in dry environment
- Use battery protection module when required
- Ensure correct polarity connection
Proper handling ensures long life and safe performance.
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