Description
Youxi 3.7V 18650 Li-Ion Battery for High Drain DIY & Power Applications
The Youxi 18650 3.7V Lithium-Ion Rechargeable Battery is a high-performance cylindrical cell designed for DIY battery packs, robotics, power tools, and high-drain electronics applications. Known for its stable output and high discharge capability, this battery is well-suited for projects requiring consistent and reliable power delivery.
Typically available in capacities such as 1800mAh, 2000mAh, 2200mAh, and up to 2600mAh, Youxi cells offer flexibility for different runtime requirements. Some variants support high discharge rates (up to ~15C), making them suitable for motor-driven systems, EV projects, and heavy-load applications.
With the standard 18650 form factor (18mm × 65mm), it is compatible with most holders, chargers, and battery pack configurations.
Key Features
- Standard 18650 cylindrical size (18×65mm)
- Nominal voltage: 3.7V (4.2V fully charged)
- Available in multiple capacity variants
- High discharge capability (up to ~15C variant dependent)
- Rechargeable with stable performance
- Suitable for series and parallel battery pack assembly
Variants – Capacity Options
| Variant | Capacity | Typical Use |
|---|---|---|
| 1800mAh | Entry-level | LED lights, small electronics |
| 2000mAh | Standard | DIY projects, general usage |
| 2200mAh | Balanced | Robotics, IoT devices |
| 2500–2600mAh | High capacity | Battery packs, longer runtime |
Specifications (typical)
- Type: Lithium-Ion Rechargeable Cell
- Model: 18650
- Nominal Voltage: 3.7V
- Full Charge Voltage: 4.2V
- Capacity: 1800mAh – 2600mAh
- Discharge Rate: Up to ~15C (variant dependent)
- Size: ~18mm × 65mm
- Rechargeable: Yes
Applications
- High-drain DIY battery packs
- Robotics and motor driver systems
- Power tools and EV projects
- LED lighting and backup systems
- IoT and embedded electronics
Important Safety Notes
- Always use with a BMS/protection circuit
- Charge using a proper Li-ion charger (4.2V CC/CV)
- Avoid short circuit, overcharge, or overheating
- Do not mix cells of different capacities or brands