ByCestpower

Europe Client Orders 5000 Units of 7.4V 18650 Lithium-Ion Battery Packs for POS Devices

We are pleased to share that a European client has placed an order for 5,000 customized 7.4V lithium-ion battery packs, designed for handheld POS (Point-of-Sale) systems. Each battery pack is built using high-quality NCR18650 2000mAh cells, offering stable performance and long cycle life in compact applications.

🔋 Battery Specifications

  • Battery Type: Rechargeable Lithium-ion (Li-ion)

  • Configuration: 2S1P (2×3.7V in series = 7.4V)

  • Cell Model: NCR18650 — 2000mAh, low internal resistance, long lifespan

  • Application: Ideal for portable POS machines, barcode scanners, handheld terminals, and other mobile electronics

🧪 Understanding 18650 Cell Chemistry

There are multiple chemical variants for 18650 lithium-ion cells, each with its own features and price range:

  • IMR18650: Manganese-based (Low cost, ~1200–1800mAh)

  • ICR18650: Cobalt-based (Higher energy density)

  • INR18650: Nickel-based (Balanced performance and safety)

  • NCR18650: Combination of Nickel, Cobalt, Manganese (NCM) in optimized ratios such as NCM 532 / NCM 523 / NCM 811, offering high energy density and cost-efficiency

In this project, we selected NCR18650 cells, which are widely recognized as a premium choice for commercial electronics due to their excellent stability, reliability, and safety.

🛠️ Battery Pack Production Process

Our 7.4V Li-ion battery packs are manufactured with strict quality standards and advanced automation:

  1. Grading: Evaluate cell voltage, capacity, and resistance

  2. Sorting: Group cells with matching characteristics

  3. Welding: Connect 2 cells in series using nickel strips

  4. BMS Integration: Spot-weld the Battery Management System

  5. Insulation: Apply isolation layers to prevent short circuits

  6. Enclosure: Use heat-shrink PVC for final assembly

✅ With our automated PVC cutting and shrink-wrapping equipment, we ensure consistent production efficiency and finish quality across all batches.

📦 OEM Service & Global Supply

This order is part of our OEM service program. We support:

  • Custom battery labels

  • Connector options

  • BMS configurations

  • Bulk packaging for worldwide delivery

💡 Want to know more about 7.4V lithium battery packs, 18650 pricing, or the differences between battery chemistries?

📩 Contact our technical sales team today: sales@cestpower.com

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