7.4V 2900mAh 2S1P 18650 Battery Pack
Engineered for critical medical and precision electronic devices, our 7.4V 2900mAh 2S1P 18650 battery pack delivers uncompromising performance where space is tight and failure is not an option. Move beyond the limitations of standard off-the-shelf solutions with a custom-built power source designed for long-term, stable operation. We optimize every millimeter for compactness and unwavering reliability, giving you the peace of mind to focus on innovation and ensure your devices run continuously and safely.
Key features：
- Smart 2S1P design ,with a compact footprint of just 19.2 × 22.8 × 133.89 mm, this battery pack delivers 2900mAh of reliable power
- Equipped with high-grade 18650 Li-ion cells, the pack ensures consistent output and extended cycle life
- Designed to meet rigorous medical reliability standards, it offers flexible customization in dimensions and connectors, providing a tailored power solution for specialized device requirements
| No. | Item | Parameter | Remark |
|---|---|---|---|
| 1 | Nominal Voltage | 7.4V | 3.7V/Cell |
| 2 | Nominal Capacity | 2900mAh | @0.2C |
| 3 | Minimum Capacity | 2800mAh | |
| 4 | Shipment Voltage | / | |
| 5 | Initial Internal Impedance | ≤100mΩ | AC 1KHZ |
| 6 | Standard Charge Voltage | 8.4V | 4.2V/Cell |
| 7 | Standard Charge Current | 1.45A | @0.2C |
| 8 | Max. Charge Current | 2.9A | |
| 9 | Standard Discharge Current | 0.58A | @0.2C |
| 10 | Max. Discharge Current | 5.8A | |
| 11 | Burst Discharge Curren | 14.5A | ≤5ms |
| 12 | Discharge Cut-off Voltage | 5V | 2.5V/Cell |
| 13 | Cycle Life | ≥500cycles | Retention: ≥80% |
| 14 | Charge Temperature | 0°C~+45°C | Max Charge |
| 15 | Discharge Temperature | -20°C ~+60°C | Standard Discharge |
| 16 | Storage Temperature | -20°C~ +45°C | ≤3 months |
| -20°C~ +25°C | ≤1 year | ||
| 17 | Weight | About 102 | g |
| 18 | Special Request |
7.4V 2900mAh 2S1P 18650 Battery Pack FAQs
What is the MOQ for this 7.4V 2900mAh battery pack?
We understand the importance of flexibility in product development. For this 7.4V 2900mAh battery pack, the standard MOQ for volume orders starts at 200 units. However, we are happy to accommodate smaller quantities for prototyping and pilot runs—please contact us to discuss your specific needs.
Can the dimensions or connector be customized for our specific device?
Absolutely. While the standard size is 19.2 × 22.8 × 133.89 mm, we specialize in customizing the form factor, connector type, and cable layout to achieve a perfect mechanical and electrical fit for your application, no matter how compact.
How do you ensure long-term performance and reliability?
We implement a multi-tiered quality assurance process. This begins with stringent grading and matching of premium 18650 cells, followed by accelerated aging tests and real-world cycle-life validation. This data-driven approach guarantees stable performance and longevity in critical applications.
Can you assist with custom wiring or firmware for the BMS?
Yes. Beyond hardware customization, we can collaborate on tailoring BMS firmware parameters (such as voltage thresholds) or integrating communication protocols like SMBus or I2C to meet your system’s specific intelligence requirements.
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.
