Technical Specifications:

• Chemistry: Li-ion

• Nominal Voltage: 3.7V

• Nominal Capacity: 11600mAh

• Nominal Energy: 42.92Wh

• Max Charge Voltage: 4.2V

• Discharge cut off voltage: 2.75V

• Discharging temperature: -40~85℃

• Dimension: about 80 x 70 x 20 mm

• Weight: about 300g 

 

The BAKTH-18650-290-1S4P-2 is a professional-grade, extreme-temperature lithium-ion battery pack engineered for applications where ordinary batteries fail. Featuring a 1S4P (1 series, 4 parallel) configuration with premium 18650 cells, this pack delivers a stable 3.7V nominal voltage and a massive 11600mAh capacity (approx. 43Wh). Its defining feature is an industry-leading -40℃ to 85℃ wide-temperature discharge range, enabling reliable operation in the most punishing environments on Earth—from Arctic expeditions to desert operations and everything in between.

 

Why Choose This Extreme-Temperature Battery Pack?

✔ Industry-Leading -40℃ to 85℃ Operation – Verified performance across the widest temperature range available.
✔ Massive 11600mAh Capacity – 43Wh of energy for extended field operations.
✔ Premium 18650-290 Cells – Grade-A quality, matched for consistent performance.
✔ 1S4P Optimized Configuration – High capacity with single-cell simplicity.
✔ Robust Construction – Built to withstand vibration, shock, and thermal cycling.
✔ OEM-Ready Customization – Available with custom connectors, wiring, and BMS integration.

Order Now and power your innovations with a trusted energy solution!

 

About US:

Shenzhen BAKTH Technology Co., Ltd. was established in 2002. For 21 years, it has been dedicated to battery pack assembly and PCM/BMS design and production. It has a 5,000-square-meter self-owned factory equipped with automated production lines and SMT assembly lines.

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• Certificates:
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• FAQ:
• 1. What kind of certificate your battery pack owned?
  Re: ISO9001, ISO14001, UL, BIS, KC, USTC, CE, CB, our battery pack have reliable quality assurance.
  
  2. Do you have MOQ?
  Re: No limitation, we will check the best price for you based on your order quantity. We warmly welcome sample order to test our quality before bulk order.
  
  3. What’s the warranty? How can we guarantee quality?
  Re: Normally will be 12 months, for some special products can be further negotiated accordingly. A complete production process to ensure the quality before shipment.
   
• 4. What’s the lead time?
  Re: Standard products: sample order will be 3~4 weeks based on the battery cell in stock, 5~8 weeks for bulk order according to different models and quantity.
  
  5. Can we have our own Logo on the battery pack? Can you accept customized battery?
  Re: Yes, of course. BAKTH Technology has professional R&D team which could provide you the most suitable solution according to your requirements. Customized battery requirements are warmly welcomed!