High Discharge Rate 6.4V 5000mAh 26650 LiFePO4 Battery Pack
When your device needs high power, our 6.4V 5000mAh LiFePO4 battery pack can support 15A continuous discharge current. it’s equipped with reliable BQ chips with a fuel gauge.
Key features：
- 2pcs 26650 LiFePO4 rechargeable cell
- Built-in BQ Series BMS with fueling monitor
- High discharge 20C rate
- Over 1500 cycles at 80% Depth of Discharge (DOD)
- Warranty time: 5 years
| No. | Item | Parameter | Remark |
|---|---|---|---|
| 1 | Nominal Voltage | 6.4V | 3.2V/Cell |
| 2 | Nominal Capacity | 5Ah | @0.2C |
| 3 | Minimum Capacity | 4.9Ah | |
| 4 | Shipment Voltage | / | |
| 5 | Initial Internal Impedance | ≤130mΩ | AC 1KHZ |
| 6 | Standard Charge Voltage | 7.3V | 3.65V/Cell |
| 7 | Standard Charge Current | 1A | @0.2C |
| 8 | Max. Charge Current | 2.5A | |
| 9 | Standard Discharge Current | 1A | @0.2C |
| 10 | Max. Discharge Current | 15A | |
| 11 | Burst Discharge Current | 30A | ≤300ms |
| 12 | Discharge Cut-off Voltage | 5V | 2.5V/Cell |
| 13 | Cycle Life | ≥1500cycles | Retention: ≥80% |
| 14 | Charge Temperature | 0°C~+45°C | Standard Charge |
| 15 | Discharge Temperature | -20°C ~+60°C | Standard Discharge |
| 16 | Storage Temperature | -20°C~ +35°C | ≤3 months |
| -20°C~ +25°C | ≤1 Year | ||
| 17 | Weight | About 0.3 | kg |
6.4V 5000mAh 26650 Battery Pack FAQs
Does this battery model support 15A discharge current?
This battery model is assembled with high discharge rate 20C cells.They can be widely used for high power devices.
Why choose LiFePO4 (LFP) over other lithium chemistries?
LiFePO4 offers a superior safety profile, longer cycle life, and more stable thermal performance than other lithium chemistries (like NMC or LCO). It’s especially well-suited for applications in demanding environments thanks to its excellent resistance to overheating, overcharging, and deep discharges.
Can I customize the pack for my device?
Yes. We support customization of wiring, connectors, casing, communication interface, and mounting structure to fit your system requirements. Contact our engineering team for OEM/ODM collaboration.
Do you provide testing and certification services?
CM Batteries can help with certifications like UN38.3, IEC62133, and others. Testing reports and MSDS are also accessible.
Do you support low-volume prototyping or batch orders?
Yes, we offer small-batch prototyping and can scale production to support your company’s project needs, whether you’re testing or ready for mass production.
Tailored Customization
Our design team can create custom battery designs for just about any device or machine.
Timely Delivery
Our efficient production and distribution process gets your product delivered in a timely manner.
Quality Guarantee
We stand by our products and guarantee you’ll be happy with your purchase.
