DMEGC Cylindrical Lithium-ion Cell 4500mAh 3.7V 21700 – High Capacity & Reliable Power

Product Data Sheet (INR 21700-45E)

The DMEGC Cylindrical Lithium-ion 21700 Cell is a high-performance, rechargeable lithium-ion battery with a 4500mAh capacity and a 3.7V nominal voltage. Designed for high energy density, long cycle life, and stable performance, this cell is ideal for portable electronics, power tools, electric vehicles (EVs), energy storage systems, and custom battery packs.

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.