18650 Lithium Ion Battery 2200mah 3.7V – Rechargable

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

Technical Specifications

Applications

• Arduino mobile projects
• DIY power banks
• LED lighting projects
• Portable sensor nodes
• Flashlights
• Low-cost energy storage

Important Notes

• 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