7.4V 10000mAh 21700 Battery Pack
CM Batteries’ 7.4V 10000mAh 21700 2S2P battery pack is in order to meet the standard of building a compact medical battery with high international safety standards. Higher energy density is realized by assembling with 21700 cells.
Key features：
- Made of 4pcs verified 21700 NRTL cells.
- Integrated into PCB with Passive Balance function.
- This setup ensures long life, stable voltage, and protection from overcharge, over-discharge, and short circuits.
| No. | Item | Parameter | Remark |
|---|---|---|---|
| 1 | Nominal Voltage | 7.4V | 3.7V/Cell |
| 2 | Nominal Capacity | 10Ah | @0.2C |
| 3 | Minimum Capacity | 9.7Ah | |
| 4 | Shipment Voltage | / | |
| 5 | Initial Internal Impedance | ≤130mΩ | AC 1KHZ |
| 6 | Standard Charge Voltage | 8.4V | 4.2V/Cell |
| 7 | Standard Charge Current | 2A | @0.2C |
| 8 | Max. Charge Current | 5A | |
| 9 | Standard Discharge Current | 2A | @0.2C |
| 10 | Max. Discharge Current | 10A | |
| 11 | Burst Discharge Current | 30A | ≤300ms |
| 12 | Discharge Cut-off Voltage | 5.4V | 2.7V/Cell |
| 13 | Cycle Life | ≥600cycles | Retention: ≥80% |
| 14 | Charge Temperature | 0°C~+50°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 0.4 | kg |
Common Questions 7.4V 10000mAh Battery Pack Answers
Can I customize this battery pack (e.g., 1S2P, 1S4P, BMS, connectors)?
Of course. In order to match your product design, we allow OEM/ODM customization for different configurations, wire length, connections, labels, and housing materials.
Can this battery operate in high or low temperatures?
This battery pack is not available. But we can design it for you.
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.
I was using 18650 cells before, can I replace them with 21700?
Sure. However, for safety reasons, please provide your needs to our professional engineers for evaluation.
Is it possible to produce samples or in small quantities?
Yes. We provide a flexible MOQ, which includes small-batch customization and sample orders for prototype testing.
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.
