GEMBIRD Battery 3.7V Li-Ion 18650 2500mAh

The GEMBIRD EG-BA-18650-10C/2500 is a high-quality rechargeable Lithium-Ion battery in the popular 18650 form factor. With a nominal voltage of 3.7V and a capacity of 2500mAh, it delivers reliable power for a wide range of electronic devices. This unprotected flat top cell is ideal for DIY projects, power banks, flashlights, and low-drain vape mods.

Advantages

High energy density and long cycle life of up to 500 cycles to 80% capacity. Low internal resistance (<50 mΩ) ensures efficient power delivery. RoHS compliant for environmental safety.

Suitable for

• Flashlights and torches
• Power banks
• DIY electronics and hobby projects
• Low-drain vape mods

Key specifications

• Battery Chemistry: Lithium-Ion (Li-Ion)
• Size: 18650
• Nominal Voltage: 3.7V
• Capacity: 2500mAh
• Energy: 9.25Wh
• Max Continuous Discharge Current: 5A
• Max Charge Current: 2.5A
• Terminal Type: Flat Top
• Protection Circuit: Unprotected
• Cycle Life: Up to 500 cycles
• Operating Temperature (Discharge): -20°C to 60°C
• Operating Temperature (Charge): 0°C to 45°C
• Storage Temperature: -20°C to 25°C
• Internal Resistance: <50 mΩ
• Certifications: RoHS Compliant

Recommendations

Always use a compatible charger designed for Li-Ion 18650 batteries. Do not short circuit or expose to extreme temperatures. For best performance, store at room temperature and charge before first use.