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14.8V 18650 4400Ah18650 Lithium Battery -40℃

Product Number: 09AQ227-01 is a high-reliability 14.8V 4.4Ah lithium-ion battery pack built with 18650 cylindrical cells (4S2P configuration). Designed for special and mission-critical equipment, this battery emphasizes safety, low-temperature performance, mechanical durability, and stable output. The compact structure, combined with a rugged PC/CNC enclosure, makes it suitable for harsh operating environments where reliability is essential.
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PKCELL
Features & Benefits

Product Details

  • Stable Output Performance
    Nominal voltage of 14.8V with a rated capacity of 4400mAh ensures steady power delivery for medium-power equipment.
  • Excellent Low-Temperature Capability
    Special low-temperature lithium-ion cells enable reliable discharge performance down to -40°C, making it suitable for extreme cold environments.
  • High Safety & Protection
    Integrated BMS provides overcharge, over-discharge, overcurrent, and short-circuit protection, significantly improving operational safety.
  • Mechanical Durability
    Shock-resistant and waterproof structural design using PC material enhances resistance to vibration, impact, and harsh field condition
  • Long Cycle Life
    Optimized cell selection and pack design support extended cycle life, aligning with energy-saving and environmentally friendly standards.

Tech Specs

  • Cell Type
    18650 Li-ion
  • Configuration
    4S2P
  • Normal Voltage
    14.8V
  • Capacity
    4400mAh
  • Charging Voltage
    16.8V
  • Charging Current
    ≤1A
  • Discharge Current
    1A
  • Charging Temperature
    0 ~ 45°C
  • Discharge Temperature:
    -40 ~ 60°C
  • Storage Temperature
    -20 ~ 20°C

Pkcell - Custom
Battery Solution Expert

Pkcell, established in 1998, is a leading Chinese batteryl manufacturer specializing in reliable and innovative power solutions. With an advanced 28,000 nf facility and a team of 50+ dedicated R&D experts,We have exported high-quality batteries to customers in over 100+ countries. Our custom battery solution widely used in medical device,cusumer electronics and industrial machinery.

  • 18
    +
    Years Experience
  • 28000
    ㎡
    Facility
  • 50
    +
    Delicated R&D Experts
  • 100
    +
    100+ Exported Countries
About Pkcell