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48.1V 40Ah 13S8P 21700 pack

Using premium INR21700 cells, this battery pack is designed to support demanding duty cycles with dependable energy delivery. High-capacity 21700 cells such as 5000mAh-class models are commonly specified at around 3.65V nominal per cell and are promoted for e-bike, e-scooter and portable storage applications, making them a strong reference base for a 48.1V 40Ah pack design. Combined with proper BMS control, robust nickel/copper connection design and tailored enclosure options, the pack can be adapted for commercial, industrial and mobility platforms requiring safe and efficient lithium power
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PKCELL
Features & Benefits

Product Details

  • High energy capacity
    48.1V × 40Ah = 1924Wh nominal energy, suitable for long-endurance applications.
  • Typical pack structure
    Commonly configured as 13S8P using 104 pieces of 21700 cells in peer products.
  • Integrated BMS protection
    Similar packs on the market include protection against overcharge, over-discharge, short circuit and current faults, with passive balancing on the cell series.
  • High-capacity 21700 cell platform
    5000mAh-class 21700 cells are widely used in electric mobility and portable ESS applications
  • Flexible customization
    Housing, connectors, charge/discharge leads, waterproof level and BMS current can be customized for different projects.

  • Model
    INR21700
  • Nominal Voltage
    48.1V
  • Nominal Capacity
    40Ah
  • Size
    80*240*195mm
  • Internal Resistance
    ≤60mΩ
  • Charging Cut-off Voltage
    54.6V
  • Discharge Cut-off Voltage
    32.5V
  • Maximum Constant Charging Current
    10A
  • Maximum Continuous Discharging Current
    40A
  • Charge Temperature
    0~10℃：0.2C，10~35℃：10A，35~45℃：0.2C
  • Discharge Temperature
    '-20~0℃：0.2C，0~10℃：0.5C，10~35℃：40A，35~60℃：0.5C

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