The 18650 Lithium Ion Battery 2200mAh 3.7V – Rechargeable provides reliable portable power with 2200mAh capacity. A cost-effective choice for powering Arduino projects, flashlights, and DIY electronics.
Key features
- 2200mAh capacity for good runtime
- 3.7V nominal voltage (4.2V max, 3.0V min)
- Rechargeable Li-ion chemistry
- Standard 18650 size (18mm x 65mm)
- High energy density
- Low self-discharge rate
- Cost-effective for bulk projects
Good to know
- Use only with proper lithium charger
- Never discharge below 3.0V
- Do not short circuit or puncture
- Store partially charged for long-term storage
- Verify terminal type matches your holder/device