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3.7V INR 18650 3500mAh Lithium-ion Rechargeable Battery

The INR 18650 3500mAh lithium-ion battery is a high-capacity cylindrical cell designed for stable and efficient energy output. With advanced lithium nickel manganese cobalt oxide (NMC) chemistry, it offers a perfect balance between energy density, safety, and cycle life. This battery is ideal for applications requiring long runtime and reliable performance. Engineered with low internal resistance, the cell ensures high discharge efficiency and reduced heat generation during operation. It supports consistent voltage output, making it suitable for high-drain devices and demanding power systems. The robust structure enhances safety and durability even under frequent charge-discharge cycles. This 18650 battery supports multiple protection integrations such as PCM/BMS systems, ensuring overcharge, over-discharge, and short-circuit protection. Its long cycle life and stable chemistry make it a cost-effective solution for OEM battery pack assembly and industrial applications.
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PKCELL
Features & Benefits

Product Details

  • High Capacity 3500mAh
    Provides long-lasting power and extended runtime for various devices
  • Stable INR Chemistry (NMC)
    Balanced performance with high energy density and enhanced safety
  • Low Internal Resistance
    Ensures efficient power output with minimal heat generation
  • Long Cycle Life
    Over 500 charge-discharge cycles with stable performance
  • High Compatibility
    Standard 18650 size suitable for battery packs and multiple applications
  • Safe & Reliable
    Supports PCM/BMS protection (overcharge, over-discharge, short circuit)
  • Wide Application Range
    Ideal for EVs, power tools, energy storage, and portable electronics
  • OEM Customization Available
    Supports different discharge rates, tabs, and pack assembly

Tech Specs

  • Model
    INR 18650
  • Nominal Capacity
    3500mAh
  • Nominal Voltage
    3.6V / 3.7V
  • Discharge Cut-off Voltage
    2.5V
  • Max Continuous Discharge Current
    5A–10A (customizable)
  • Internal Resistance
    ≤35mΩ
  • Cycle Life
    ≥500 cycles (80% capacity retention)
  • Size
    18mm × 65mm
  • Weight
    Approx. 45g

Pkcell - 自訂
電池解決方案專家

Pkcell, established in 1998, is a professional Chinese battery manufacturer specializing in reliable and innovative power solutions. With a modern 28,000㎡ manufacturing facility and a strong R&D team of over 50 engineers, we deliver high-quality batteries to customers in more than 100 countries worldwide.

We focus on wide temperature and low temperature battery customization, providing stable and long-lasting power solutions designed to operate in extreme environments. Our batteries perform reliably under sub-zero and high-temperature conditions, making them ideal for medical devices, consumer electronics, industrial equipment, IoT systems and outdoor applications. Pkcell is committed to quality, safety and flexible OEM/ODM services to meet diverse customer needs.

  • 20
    +
    年資經驗
  • 28000
    ㎡
    設施
  • 50
    +
    專業的研發專家
  • 100
    +
    100+ 出口國家
About Pkcell