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ICR18650 Li-ion 2200mAh 3.7V Customizable Rechargeable Battery

This 18650 2200mAh 3.7V lithium-ion battery cell is a reliable rechargeable power solution designed for stable output, compact structure, and flexible customization. With standard 18650 size, long cycle life, and OEM/ODM support, it is widely used in flashlights, portable electronics, energy storage packs, emergency lighting, and customized battery assemblies.
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PKCELL
Features & Benefits

Product Details

  • Stable Power Output
    This 18650 lithium-ion battery cell delivers a nominal voltage of 3.7V and rated capacity of 2200mAh, offering dependable and consistent power for a wide range of electronic applications. Its cylindrical structure helps ensure good energy density and stable discharge behavior, making it suitable for products that require compact size and reliable runtime. PKNERGY also supports customized solutions for voltage, pack assembly, wires, connectors, and protection boards based on different project requirements.
  • Standard 18650 Size for Easy Integration
    Built in the widely used 18650 form factor, this battery cell typically measures around 18 × 65 mm and weighs about 45–50g, which makes integration easier for OEM equipment manufacturers and battery pack assemblers. The standardized cylindrical format is suitable for series or parallel pack design, helping reduce development complexity in custom battery systems. It can be applied in single-cell devices or assembled into higher-voltage battery packs according to product needs.
  • Rechargeable and Cost-Effective
    Compared with disposable batteries, this rechargeable 18650 cell offers a longer service life and lower long-term operating cost. Public PKNERGY listings indicate a cycle life commonly in the 500–1000 cycle range, depending on operating conditions and system design. This makes it a practical choice for products requiring repeated charging and discharging, such as backup power devices, portable equipment, lighting products, and customized battery modules
  • OEM / ODM Customization Available
    A major selling point of this PKNERGY battery is its customization capability. The manufacturer indicates support for OEM/ODM, which commonly includes options such as tabs, wires, connectors, PCM/BMS, shrink wrapping, battery pack assembly, and private labeling. It is suitable not only for standard replacement cells, but also for tailor-made energy solutions for industrial, consumer, and portable electronic applications. Certifications commonly listed for this battery family include CE, RoHS, UN38.3, and MSDS for export and transport support.

Tech Specs

  • Product Name
    ICR18650 Lithium Ion Battery Cell
  • Brand
    OEM
  • Model
    ICR18650
  • Nominal Voltage
    3.7V
  • Rated Capacity
    2200mAh
  • Battery Size
    18650
  • Dimensions
    18 × 65 mm
  • Weight
    Approx. 45–50g
  • Battery Type
    Rechargeable Li-ion
  • Max Discharge Current
    3300mA
  • Operating Temperature
    Charge: 0-45℃ Discharge: -20-60℃
  • Storage Temperature
    -20~45℃ for 1 Month -10~35℃ for 6 Months
  • Storage Voltage
    3.7-3.85V
  • Environmental Request
    RoHS

Pkcell - Personalizado
Experto en soluciones para baterías

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
    +
    Años de experiencia
  • 28000
    ㎡
    Instalación
  • 50
    +
    Expertos en I+D delicada
  • 100
    +
    Más de 100 países exportados
About Pkcell