3.6V 5200mAh 18650 Li Ion Battery Pack
For IoT systems, medical devices, and POS machines, reliable power requires more than just capacity-it demands uncompromising safety, a compact form factor, and resilience in demanding operating conditions.
Our 3.6V 5200mAh 18650 Lithium-Ion Battery Pack(1S2P configuration, using two premium 2600mAh cell) is specifically engineered to meet these critical requirements. Combining lightweight design, extended runtime, and robust integrated protections, it delivers a dependable power solution tailored for high-performance and safety-sensitive applications.
Key features：
- Configuration :1S2P, made of 2pcs 3.6V 18650 2600mAh rechargeable cell.
- Opration temperature: discharge: -20℃~60℃ and charge: 0℃~45℃
- Built with high-quality 18650 cells and a PCB protection system, ensuring safe operation with overcharge,over-discharge, and overcurrent protection.
- Dimension: Max 39.5*69.5(mm) and Weight: 100g
| No. | Item | Parameter | Remark |
|---|---|---|---|
| 1 | Nominal Voltage | 3.7V | 3.7V/Cell |
| 2 | Nominal Capacity | 5200mAh | @0.2C |
| 3 | Minimum Capacity | 5100mAh | |
| 4 | Shipment Voltage | / | |
| 5 | Initial Internal Impedance | ≤40mΩ | AC 1KHZ |
| 6 | Standard Charge Voltage | 4.2V | 4.2V/Cell |
| 7 | Standard Charge Current | 1.04A | |
| 8 | Max. Charge Current | 2.6A | |
| 9 | Standard Discharge Current | 0.52A | |
| 10 | Max. Discharge Current | 10.4A | |
| 11 | Burst Discharge Curren | 26A | ≤10s |
| 12 | Discharge Cut-off Voltage | 2.5V | 2.5V/Cell |
| 13 | Cycle Life | ≥500cycles | Retention: ≥70% |
| 14 | Charge Temperature | 0°C~+45°C | Standard 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 100 | g |
| 18 | Special Request |
3.6V 5200mAh 18650 li-ion Battery Pack FAQs
Can I request different connectors, wires, or BMS functions for my application?
Yes. The pack can be customized with different connectors (JST, Molex, etc.), wire lengths, and PCB/BMS features such as temperature protection or communication protocols.
Does this battery pack comply with international certifications?
We can provide UN38.3, CE, RoHS, UL, or IEC certifications depending on the customer’s target market. This ensures safe shipping and compliance for medical, IoT, or POS applications.
How do you ensure product consistency in bulk production?
All packs are manufactured with strict quality control and testing, including internal resistance, capacity, and safety checks, to guarantee uniform performance.
Can this battery pack be customized for high-temperature use above 60°C or low-temperature use below -20°C?
Yes. While the standard version supports -20°C to +60°C, we offer customized solutions for extreme environments.
Do you provide technical support during integration?
Yes. Our engineering team works closely with your R&D team to provide fast response and technical support during design and 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.
