32700 5C 6Ah lifepo4 rechargeable lithium battery cylindrical cell

32700 5C 6Ah LiFePO4 Cylindrical Lithium Battery Cell

Looking for a powerful 32700 3.2V 5C 6Ah discharge current and reliable lithium battery solution? Our 32700 3.2V 5C 6Ah LiFePO4 cylindrical cells are designed for high performance, long cycle life, and stable output. Built with premium lithium iron phosphate chemistry, this 3.2V 6Ah 5C 32700 LiFePO4 battery cell offers superior safety and durability compared to traditional lithium-ion batteries.

Key Features

Rated Capacity:   6000mAh (6Ah)
Nominal Voltage:   3.2V
Cell Size:   Diameter 32mm × Height 70mm (32700 standard)
Continuous Discharge Current:   5C (30A)
Max Continuous Discharge Current:   6C (36A)
Standard charging:   1C CC/CV, ~60 minutes
Fast charging:   3C CC/CV, ~20 minutes
Max continuous charging:   6C CC/CV, ~10 minutes
Cycle Life:   >3000 cycles @ 1C, 100% DOD
Chemistry:   LiFePO4 (Lithium Iron Phosphate)

Benefits:

• Sturdy and pressure-resistant steel shell for enhanced safety
• High capacity with strong power output
• Excellent cycle life (>3000 cycles) for long-term usage
• Outstanding high and low temperature performance
• Stable output voltage under load
• Low self-discharge rate for long shelf life
• Dual safety protection design
• Strong resistance to vibrations and shocks
• true powerful 3.2V 6Ah LiFePO4 cylindrical cell with a genuine 5C continuous discharge current capability

Applications

*Electric two-wheelers, three-wheelers, and low-speed four-wheeled vehicles
*UPS backup power systems
*Home and commercial energy storage solutions
*Solar and renewable energy projects
*Portable power packs and DIY battery packs

FAQ:

Why the 32700 5C 6Ah LiFePO4 Cylindrical Cell Rated at 5C and Not 6C?

The “C-rate” defines how fast a battery can be charged or discharged relative to its rated capacity.

1C for a 3.2V 6Ah LiFePO4 cylindrical cell means 6A of discharge current.
5C = 30A continuous discharge.
6C = 36A continuous discharge.

In theory, at 5C the 3.2V 32700 LiFePO4 battery would discharge in about 12 minutes, while at 6C in around 10 minutes. However, real-world factors such as internal resistance and heat generation change the results.

Why do most manufacturers rate the continuous discharge as 5C instead of a “true” 6C?

There are three main reasons:

1. Internal Resistance and Heat Management

Heat generation follows the formula Q = I² × R × t.
Increasing current from 30A (5C) to 36A (6C) raises heat by ~44%.  At 6C, the 3.2v 6ah lifepo4 lithium iron phosphate 32700 battery cell risks overheating, which accelerates aging, reduces cycle life, and could lead to safety issues.

2. Lithium-ion Diffusion Limitations

lithium ion cell 32700 at extreme currents, lithium-ion movement inside electrodes cannot keep up with electron flow in the external circuit. This causes voltage drops, reduced usable capacity, and poor efficiency.

3. Electrode and Structural Limits

To achieve 6Ah capacity, electrodes are relatively thick. At 6C, not all active material can be effectively used. Tabs, current collectors, and internal connections must withstand massive current flow. At 6C, the stress is extreme and may require costly reinforcement methods (such as thick copper tabs and advanced welding).

 Therefore, 5C continuous discharge is the sweet spot that balances power, safety, cycle life, and cost.

What makes 5C continuous discharge so powerful?

1. High Continuous Power Output

• At 5C, the 3.2V 6Ah LiFePO4 cylindrical cell delivers 30A, equivalent to ~96W per cell.
• This is far beyond what standard Li-ion cylindrical cells can handle, making it ideal for high-power applications.

2. Proof of Advanced Engineering

• Achieving 5C continuous discharge while maintaining >3000 cycles at 100% DOD demonstrates ultra-low internal resistance, excellent thermal management, and superior manufacturing precision.
• Internal resistance may be as low as 0.5mΩ in high-quality cells.

3. Enhanced Application Performance

• lithium ion cell 32700 in electric tools, UPS, and mobility solutions, 5C capability ensures instant high current for acceleration, startup, or heavy loads.
• Devices powered by the 3.2 v 32700 6Ah lifepo4 battery cell respond faster and run more reliably under stress.

4. Safety Assurance

• By marking 5C as the safe continuous limit, the cell ensures long-term stability and prevents risks of thermal runaway.
• High-quality BMS systems can manage current and temperature precisely, keeping the 3.2v 6ah lifepo4 lithium iron phosphate 32700 battery cell safe under demanding use.

Why not 6C, and why 5C is already excellent?

6C continuous discharge generates too much heat, stresses electrode materials, reduces cycle life, and adds cost. 5C continuous discharge (30A) is already extremely strong for the 3.2V 6Ah 32700 LiFePO4 battery, offering the best balance between high power, safety, and long cycle life. That’s why 5C is not a limitation—it’s a mark of engineering strength and reliability in LiFePO4 cylindrical cells.

Why Choose EGBATT 32700 5C 6Ah LiFePO4 Cylindrical Cells?

As a professional battery manufacturer, producing the lithium ion cell 32700 we focus on delivering safe, durable, and high-performance LiFePO4 cylindrical cells. Our 3.2V 6Ah 5C 32700 cylindrical battery cell combines long lifespan, fast charging ability, and superior safety features, making it the ideal choice for both mobility and stationary energy storage applications.

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