Operating at a nominal voltage of 3.6V, the Exide 21700 Lithium-Ion Cell charges safely up to 4.2V and supports a maximum continuous discharge current of 3C (14.7A), making it suitable for applications requiring high power output. With a low AC internal impedance of 13.5 ± 2mΩ, the cell minimizes energy loss while improving overall efficiency. Designed for more than 1050 charge-discharge cycles (up to 80% State of Health under standard test conditions), this cell offers exceptional durability and long service life. Whether used in electric mobility, portable power stations, industrial battery packs, power tools, robotics, or energy storage systems, the Exide 21700 5000mAh Lithium-Ion Cell delivers reliable, efficient, and long-lasting performance.

For more products, check out our Lithium Cells category.

Specifications

Chemistry: NMC (Lithium-ion)
Voltage: 3.6V
Capacity: 5000mAh
Maximum Continuous Discharge Current: 3C (14.7A)
Brand: Exide Energy Solutions
Cell Type: 21700 Cylindrical Cell
Cell Weight: Approximately 69 ± 2g
Cell Dimensions: Ø21.6 ± 0.2 × 71.2 ± 0.2 mm
Charge Voltage: 4.2V
Discharge Cut-off Voltage: 2.5V
AC Internal Resistance: 13.5 ± 2mΩ (1kHz)
Standard Charge Current: 0.5C (2450mA)
Standard Discharge Current: 1C (4900mA)
Maximum Charge Current: 1C (4900mA)
Charging Temperature: 0°C to 45°C
Discharge Temperature: -20°C to 60°C
Cycle Life: ≥1050 Cycles (80% SOH)

Key Features

High 5000mAh Energy Capacity

With a nominal capacity of 5000mAh, the Exide 21700 Lithium-Ion Cell provides extended runtime and dependable energy storage. Consequently, it is an excellent choice for battery packs requiring long-lasting power.

High 3C Continuous Discharge

Supporting up to 3C continuous discharge (14.7A), the cell delivers stable high-current output for demanding applications. Therefore, it is ideal for electric mobility, power tools, robotics, and industrial battery packs.

Long Cycle Life

Designed for more than 1050 charge-discharge cycles while maintaining at least 80% State of Health, the cell offers outstanding durability. As a result, it reduces replacement frequency and lowers long-term operating costs.

High Energy Density

With a gravimetric energy density of 260Wh/kg and volumetric energy density of 690Wh/L, the cell provides more energy in a compact size, making it suitable for space-constrained battery pack designs.

Low Internal Resistance

Featuring an AC impedance of only 13.5 ± 2mΩ, the cell minimizes voltage drop and energy loss under load. This results in higher efficiency, better thermal performance, and improved power delivery.

Safe & Efficient Charging

The Exide 21700 cell supports charging up to 4.2V using a recommended 0.5C constant-current/constant-voltage (CC-CV) charging method. This helps maximize battery life while ensuring safe and reliable charging performance.

Wide Operating Temperature Range

Designed for demanding environments, the cell operates safely across a broad temperature range, supporting charging from 0°C to 45°C and discharging from -20°C to 60°C for dependable performance in various conditions.

Compact 21700 Cell Design

The standard 21700 cylindrical form factor combines high capacity with excellent energy density, making it widely used in modern battery packs for mobility, industrial, and portable power applications.

Applications

• Electric Vehicle (EV) Battery Packs
• E-Bikes & E-Scooters
• Portable Power Stations
• Power Tools
• Energy Storage Systems (ESS)
• Industrial Battery Packs
• Robotics & Automation
• Drones & UAVs
• Medical Equipment
• Consumer Electronics
• UPS & Backup Power Systems
• Flashlights & Portable Devices

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Operating at a nominal voltage of 3.7V, the Norda 4500mAh cells charges safely up to 4.2V and supports a maximum continuous discharge current of 3C, making it suitable for applications requiring consistent power delivery. With an internal resistance of ≤21mΩ, the cell offers improved efficiency and reduced energy loss. In addition, it is designed for up to 800 charge-discharge cycles, providing excellent durability and long-term performance. Whether used in electric mobility, portable power stations, industrial battery packs, power tools, drones, or consumer electronics, the Norda 21700 4500mAh Lithium-ion Cells delivers reliable, efficient, and long-lasting power. For more products check out our lithium cells category.

Specifications

Key Features:

High 4500mAh Energy Capacity

With a nominal capacity of 4500mAh, the Norda 21700 Lithium-Ion Cell delivers extended runtime per charge. As a result, it is ideal for battery packs that require long-lasting and dependable power.

High 3C Continuous Discharge

Supporting up to 3C continuous discharge, this cell provides consistent high-current output for demanding applications. Therefore, it is well-suited for electric mobility like e-scooter/bike battery packs, power tools, and other high-performance battery packs.

Long Cycle Life

Designed for up to 800 charge-discharge cycles, the Norda 21700 cell offers reliable long-term performance. Consequently, it helps reduce replacement frequency while maintaining stable battery performance over time.

Efficient Charging Performance

The cell supports charging up to 4.2V with a maximum 1C charge current, enabling safe and efficient charging. Moreover, the recommended charging profile helps maximize cell life and maintain consistent performance.

Low Internal Resistance

Featuring an AC internal resistance of ≤21mΩ, the cell minimizes energy loss and voltage drop under load. This results in improved power delivery and higher overall efficiency.

Wide Operating Temperature Range

Engineered for reliable operation in demanding environments, the Norda 21700 cell supports charging from 0°C to 65°C and discharging from -20°C to 70°C. Therefore, it performs consistently across a wide range of operating conditions.

Compact 21700 Cell Design

The 21700 cylindrical form factor combines high energy density with a compact footprint. As a result, it is widely used in modern battery pack designs where both capacity and space efficiency are important.

Applications

• Electric Vehicles (EV Battery Packs)
• E-Bikes & E-Scooters
• Portable Power Stations
• Power Tools
• Medical Equipment
• Consumer Electronics
• Drones & UAVs
• Robotics & Automation
• Flashlights
• Industrial Battery Packs

The post Norda 21700 3.7V 4500mAh Lithium-Ion Cells appeared first on Aqueouss.

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Thanks to their large 32140 cylindrical format and LiFePO4 chemistry, these cells offer excellent thermal stability, consistent discharge performance, and improved safety compared to conventional lithium-ion cells. Whether you’re building battery packs for ESS, solar storage, or high-load applications, CBAK cells are engineered to perform reliably day after day.

Key Features

High-Capacity Output
With a massive 15000mAh capacity, CBAK 15000mAh cells store more energy in a single cell, reducing the total number of cells required in a battery pack and simplifying system design.

Stable 3.2V Performance
The nominal 3.2V output ensures smooth and consistent power delivery, which is critical for applications that demand voltage stability and predictable discharge behavior.

Long Cycle Life
Designed for repeated charge and discharge cycles, these cells maintain capacity over time, helping lower maintenance and replacement costs in long-term installations.

Enhanced Safety & Thermal Stability
LiFePO4 chemistry provides superior resistance to overheating and over-discharge, making these cells safer for large battery banks and enclosed systems.

Fast & Efficient Charging
Optimized for efficient charging, the cells support stable current flow without excessive heat buildup, ensuring dependable operation in demanding environments.

Robust 32140 Cell Format
The cylindrical 32140 design offers mechanical strength and better heat dissipation, making it suitable for industrial and energy storage use cases.

Applications

• Energy Storage Systems (ESS)
  Perfect for residential and commercial ESS setups, offering reliable backup power and long operational life.
• Solar & Renewable Energy Storage
  Ideal for storing solar or wind energy, ensuring dependable power availability even during off-grid conditions.
• Electric Vehicles & Mobility Solutions
  Well-suited for EV battery packs, e-rickshaws, and other electric mobility applications requiring high capacity and safety.
• Industrial & Power Backup Systems
  Supports uninterrupted power for industrial equipment, telecom systems, and critical infrastructure.

If you’re building high-capacity battery packs that demand reliability, safety, and long-term performance, CBAK 32140 15000mAh  3.2v Lithium-ion Cells are a solid choice. Built to handle real-world loads and tough conditions, these cells deliver the dependable energy storage modern systems rely on—day in and day out.

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These cells operate at a nominal voltage of 3.7V and charge safely up to 4.2V. Therefore, power delivery remains smooth and consistent throughout use. In addition, a 2.5V discharge cut-off protects the cell from over-discharge. The cells also support a maximum charge current of 1C (not for cycle use), which allows efficient and controlled charging. Whether used in tools, electronics, or energy storage systems, DMEGC cells offer a reliable and proven power solution.

Key Features

Extended Energy Storage
With a high nominal capacity of 4500mAh, DMEGC 4500mAh cells provide longer runtime per charge. As a result, they are ideal for applications where downtime must be minimized.

Consistent Long-Term Performance
These cells are designed to maintain capacity over repeated charge and discharge cycles. Therefore, they help reduce replacement frequency and improve overall system reliability.

Efficient Charging Capability
The 4.2V charging voltage, combined with support for up to 1C charge current, enables faster and safer charging. Moreover, this controlled process helps preserve cell health over time.

Stable Power Output
With a nominal voltage of 3.7V, the cells deliver steady power output. This stability is especially important for devices that rely on consistent voltage for optimal performance.

Built-In Safety Protection
The 2.5V discharge cut-off prevents deep discharge. As a result, the risk of cell damage is reduced, improving both safety and lifespan.

Versatile 21700 Cell Format
The INR21700 form factor balances high capacity with a compact size. Therefore, it fits well into modern, space-efficient battery pack designs.

Applications

Consumer Electronics
Suitable for laptops, power banks, and high-performance gadgets that need reliable daily power.

Industrial Equipment
Ideal for power tools and industrial systems where durability and consistent output are essential.

Medical Devices
Ensures stable operation for critical medical equipment, where power reliability is crucial.

Renewable Energy Systems
Works well in solar and wind energy storage systems, providing efficient and dependable energy storage.

Experience the dependable performance of DMEGC INR21700-45E 3.7V 4500mAh  Li-Ion Cells. Designed for demanding applications, these cells deliver the right balance of capacity, safety, and efficiency. Ultimately, they are a smart choice for powering modern devices and energy systems with confidence.

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