Key Features

• High Capacity & Voltage: 3.7V nominal voltage with a 4500mAh capacity for extended usage.
• Long Cycle Life: Over 1,000 charge cycles, ensuring durability and cost-effectiveness.
• Fast Charging & Discharging: Supports high charge/discharge currents for high-performance applications.
• Stable Performance: Low internal resistance for efficient power output.
• Enhanced Safety: Built-in protection against overcharging, over-discharging, and short circuits.
• Eco-Friendly: Free from toxic heavy metals like lead and cadmium.

Technical Specifications

• Model: 21700

• Nominal Voltage: 3.7V

• Nominal Capacity: 4500mAh

• Minimum Capacity: 4400mAh

• Charge Voltage: 4.2V

• Discharge Cut-off Voltage: 2.5V

• Cycle Life: >1,000 cycles (80% DOD)

• Max Charge Current: 1C (4.5A)

• Maximum Discharge Current: 2C (9.0A)

• Dimensions: Diameter: 21mm x 70mm

• Weight: Approximately 70g

Applications

The DMEGC 4500mAh 21700 cell is widely used in various applications:

Portable Electronics & Power Banks

Perfect for laptops, flashlights, power banks, and other consumer electronics, ensuring long-lasting power.

Power Tools & DIY Battery Packs

Provides consistent high power output, making it ideal for cordless drills, electric screwdrivers, and other tools.

Electric Vehicles (EVs) & E-Bikes

Offers a stable and high-energy output for electric bicycles, scooters, and lightweight electric vehicles.

Energy Storage Systems

Can be used in solar energy storage systems, home battery banks, and off-grid applications.

Why Choose DMEGC Cylindrical Lithium-ion Cell 4500mAh 3.7V 21700?

1. Superior Lifespan: Long cycle life compared to standard lithium-ion cells.
2. Enhanced Safety: No risk of thermal runaway, explosion, or fire.
3. Energy Efficient: Low self-discharge rate and high efficiency.
4. Environmentally Friendly: 100% recyclable and non-toxic materials.