Standard battery pack GS4040IL

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Standard battery pack GS4040IL

Standard battery pack GS4040IL (3S3P) suitable for use with industrial and medical devices, etc.

Nominal Voltage: 10.8V
Rated Capacity: 8100mAh
Max.charge Voltage: 12.6V
Max.charge Current: 8.0A

GS4040IL is approved worldwide


  • Standard SMBus v1.1 interface.
  • Integrated LED state of charge (SOC) indicator.
  • JEITA charging optimization rules.
  • Full safety protection functions, such as over voltage, over current, reverse connection protection, etc.
  • Balance function, effectively improve battery life.
  • High-precision Fuel gauge.
  • Multiple product profiles, high reliability construction, power visualization
  • Finger type metal interface, easy to disassemble design.
  • The host can monitor the battery temperature
  • Panasonic cells with the highest energy density and stability.
  • Worldwide approvals and certifications for safety standards, including UN38.8, UL, CE, etc.
  • No development fee, no mill fee, no certification fee
  • Stock available, no MOQ limit
  • Multiple safety redundancy design
  • Up to 80% of initial capacity after 500 cycles
Factory capacity 20%~30%
Certification CE/FCC/IEC62133/UN38.3/UKCA/PSE
Operating temperature 0°C~60°C (charge)
  -40°C~60°C (discharge)
Storage temperature -20°C~50°C(Maximum)
Electrical parameters  
Rated voltage 10.8V
Rated capacity 8100mAh
Nominal capacity 8400mAh
Internal resistance <200mΩ@1kHz at 25℃
Maximum charging current 8.0A
Maximum charging voltage 12.6V
Maximum discharge current 8.0A
Cycle life 500 cycles≥80% Rated capacity
Length 214.0mm ± 0.3mm
Width 58.5mm ± 0.3mm
Thickness 22.0mm ± 0.3mm
Weight 510g±10g

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