bak-N18650CQ lithium battery product image
BAK

bak-N18650CQ

2500mAh nominal capacity, 3.7V, 8.7A discharge, >800 cycles.

2500mAh
Nominal Capacity
3C (8.7A) continuous max @25°C; not for cycle life
Continuous Discharge Rating
3.7V
Nominal Voltage
>800 cycles; SoH >80%
Cycle Life

Technical Specifications

ManufacturerBAK
ModelN18650CQ
ChemistryLithium-ion rechargeable cell
RechargeableYes
Cell Size18650
Nominal Capacity2500mAh
Nominal Voltage3.7V
Continuous Discharge Current3C (8.7A) continuous max @25°C; not for cycle life
Cycle Life>800 cycles; SoH >80%
Maximum Charge Voltage4.25V
Discharge Cut-off Voltage2.0V
Charge Current1C (2.9A) continuous max @25°C; not for cycle life
Internal Resistance≤35mΩ
Weight46.6±1.5g
Charge Temperature0 to 60°C
Discharge Temperature-20 to 60°C

About bak-N18650CQ

BAK-N18650CQ is a rechargeable 18650 cylindrical lithium-ion cell with a nominal capacity of 2500mAh and a nominal voltage of 3.7V. It is offered for professional battery-pack design, prototype validation and production integration.

Key electrical characteristics:

  • Nominal capacity: 2500mAh
  • Nominal voltage: 3.7V
  • Published discharge rating: 3C (8.7A) continuous max @25°C; not for cycle life
  • Published cycle-life condition: >800 cycles; SoH >80%

Typical pack-level applications:

  • Long-runtime e-bike, e-scooter and other light electric-vehicle battery packs.
  • Portable terminals, instrumentation, professional lighting and compact energy systems.
  • Backup and industrial battery modules designed for moderate current and high usable energy.

Final suitability depends on the complete pack design. Verify charge and discharge limits, temperature range, cell matching, mechanical protection, BMS settings and required certifications against the latest manufacturer documentation before production.

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