Description
DMEGC INR21700-45E 3.7V 4500mAh Li-Ion Battery
The DMEGC INR21700-45E 3.7V 4500mAh Li-Ion Battery represents the next generation of high-capacity energy cells, combining advanced INR lithium-ion chemistry with outstanding power efficiency. With a massive 4500mAh capacity, this cell is designed for high-energy and long-duration applications, providing stable voltage, low internal resistance, and superior cycle life.
Built to deliver exceptional reliability, the DMEGC 45E cell is ideal for e-bikes, solar energy storage systems, power tools, robotics, and custom lithium battery packs. Its high discharge capability and consistent performance make it a trusted choice for industrial, commercial, and DIY projects where endurance and efficiency matter most.
Each DMEGC INR21700-45E battery undergoes strict factory quality control to ensure stable performance, accurate capacity ratings, and safe operation even under demanding conditions.
⚙️ Specifications Table
| Specification | Details |
|---|---|
| Model | DMEGC INR21700-45E |
| Chemistry | Li-ion (INR) |
| Nominal Voltage | 3.7V |
| Nominal Capacity | 4500mAh |
| Charging Voltage | 4.2V |
| Discharge Cut-off Voltage | 2.5V |
| Standard Discharge Current | 3C (13.5A) |
| Maximum Continuous Discharge | 3C (14A) |
| Cell Type | 21700 cylindrical |
| Dimensions (D×H) | 21mm × 70mm |
| Weight | Approx. 67g |
| Cycle Life | 2000+ cycles |
| Manufacturer | DMEGC |
| Protection | Use with BMS for safe and reliable operation |
Key Features
- High Capacity & Voltage: 3.7V nominal voltage with a 4500mAh capacity for extended usage.
- Long Cycle Life: Over 2000 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.
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?
- Superior Lifespan: Long cycle life compared to standard lithium-ion cells.
- Enhanced Safety: No risk of thermal runaway, explosion, or fire.
- Energy Efficient: Low self-discharge rate and high efficiency.
- Environmentally Friendly: 100% recyclable and non-toxic materials.





