IMREN 18650 3000mAh 40A Rechargeable Lithium Battery: High-Performance Review | IMREN Battery

IMREN 18650 3000mAh 40A Rechargeable Lithium Battery: High-Performance Review | IMREN Battery


The IMREN 18650 3000mAh 40A rechargeable lithium battery is engineered for outstanding performance and safety, catering to the diverse needs of electronic device users. In this in-depth review, we'll explore its specifications, performance, and adherence to safety standards to provide you with a comprehensive understanding of its capabilities.


  • Manufacturer: IMREN
  • Model: 18650-3000-40A
  • Size: Standard 18650 Battery (Φ=18mm, H=65mm)
  • Positive Terminal: Flat Top
  • Nominal Capacity: 3000mAh (Rated by IMREN Lab at 3011mAh)
  • Nominal Voltage: 3.7V
  • Pulse and Burst Rate: 40.3A
  • General Performance: Designed with utmost concern for performance and safety.


  • Charging Current: Should be less than the maximum charge current specified.
  • Charging Voltage: Must not exceed the specified voltage.
  • Charging Time: Utilize a charge timer as per the product specification.
  • Charging Temperature: Maintain charging within the specified temperature range.


  • Discharge Current: Should not exceed the maximum discharge current specified.
  • Discharging Temperature: Operate within the specified temperature range to prevent loss of characteristics.
  • Over-Discharging: Equip systems with protective devices to prevent over-discharging.


  • Storage Conditions: Store within the specified temperature range to avoid loss of characteristics, leakage, or rust.
  • Long-term Storage: Use within a short period post-charging to prevent capacity loss due to self-discharge.

Cycle Life:

  • Cycle Life Performance: The battery can be charged/discharged repeatedly up to the specified times with a certain level of capacity.
  • Cycle life affected by charging, discharging, temperature, and storage conditions.

Design of System:

  • Connection: Avoid direct soldering; weld leads on terminals and solder with wire.
  • Positioning: Place the battery away from heat sources to prevent characteristic loss.
  • Mechanical Shock Protection: Equip with shock absorbers to minimize damage from shocks.

Battery Pack Assembly:

  • Prohibition of Usage of Damaged Cell: Inspect visually before assembly; do not use if damage is detected.
  • Terminals Handling: Avoid excessive force on the negative terminal during welding.


  • Disassembly: Strictly avoid dismantling the cell from the battery pack to prevent internal short-circuiting.
  • Short-circuiting: Employ appropriate circuitry to safeguard against accidental short-circuiting.
  • Incineration and Immersion: Prohibited due to potential damage to the cell and risk of rupture.
  • Mixing Use: Avoid using different types or manufacturers' cells to prevent cell rupture or system damage.
  • Battery Exchange: Dispose of according to local regulations; ensure the cell is discharged before disposal.


The IMREN 18650 3000mAh 40A rechargeable lithium battery sets a benchmark for high-performance and safety in the realm of electronic devices. With meticulous attention to detail in its design and adherence to stringent safety standards, it offers users a reliable power solution for a wide range of applications. Whether you're a professional or an everyday user, this battery delivers exceptional performance while prioritizing safety at every step.

Experience the power and reliability of the IMREN 18650 3000mAh 40A battery for yourself. Purchase now or contact us for more information.

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