7.4V 4000mAh LiPo Battery for Long-Endurance Systems
Long-endurance systems require batteries that deliver consistent energy output without frequent recharging. Oversized or mismatched batteries often introduce inefficiencies and integration challenges.
CMB’s 2S 7.4V 4000mAh LiPo battery is designed to maximize runtime while maintaining structural flexibility and electrical stability.
Key features：
- High Energy Storage: 4000mAh capacity
- Stable Low-Rate Discharge: Optimized for long runtime
- 300+ Cycles: Reliable lifecycle performance
- Certification-Ready Architecture: Supports compliance processes
- Custom Integration: Tailored connectors and protections
| No. | Item | Parameter | Remark |
|---|---|---|---|
| 1 | Nominal Voltage | 7.4V | 3.8V/Cell |
| 2 | Nominal Capacity | 4000mAh | @0.2C |
| 3 | Minimum Capacity | 3.800mAh | |
| 4 | Shipment Voltage | / | |
| 5 | Initial Internal Impedance | ≤35mΩ | AC 1KHZ |
| 6 | Standard Charge Voltage | 8.4V | 4.35V/Cell |
| 7 | Standard Charge Current | 0.2A | |
| 8 | Max. Charge Current | 0.3A | |
| 9 | Standard Discharge Current | 0.3A | |
| 10 | Max. Discharge Current | 0.6A | |
| 11 | Burst Discharge Current | 1.2A | ≤5s |
| 12 | Discharge Cut-off Voltage | 6.0V | 3V/Cell |
| 13 | Cycle Life | ≥300cycles | Retention: ≥80% |
| 14 | Charge Temperature | 10°C~+45°C | Standard Charge |
| 15 | Discharge Temperature | 0°C ~+65°C | Standard Discharge |
| 16 | Storage Temperature | -20°C~ +45°C | ≤3 Months |
| -10°C~ +35°C | ≤1 Year | ||
| 17 | Weight | About 85 | g |
| 18 | Special Request |
7.4V 4000mAh LiPo Battery Pack FAQs
How is safety ensured in high-capacity 7.4V battery packs?
Safety is addressed through cell screening, controlled assembly, and tailored protection circuit design.
Can this battery be integrated into custom housings or systems?
Yes. Mechanical structure, wiring orientation, and connectors can be customized for system integration.
How does this pack maintain consistency in large-scale production?
Standardized processes and multi-stage testing ensure stable performance across large production volumes.
Is this battery suitable for certification-driven or export projects?
The design can be aligned with international certification requirements, and compliance support is provided during project execution.
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.
