IMREN 26650 Battery Review: The Ultimate 5000mAh and 50A High Capacity Choice | IMREN Battery

IMREN 26650 Battery Review: The Ultimate 5000mAh and 50A High Capacity Choice | IMREN Battery

When it comes to high-performance lithium batteries, IMREN has carved out a significant niche. Their 26650 series, particularly the 5000mAh 50A variant, stands as a testament to their commitment to quality and innovation. This review will delve into the features, benefits, and overall performance of the IMREN 26650 battery, making it clear why this battery is a top choice for users seeking reliability and power.

Key Specifications:

  • Manufacturer: IMREN
  • Model: 26650-5000-50A
  • Size: (Φ=26mm, H=65mm)
  • Positive Terminal: Flat Top
  • Nominal Capacity: 5000mAh
  • Nominal Voltage: 3.7V
  • Standard Charge: CCCV, 1.50A, 4.20V±0.05V, 150mA cut-off
  • Standard Discharge: 50A
  • Charging Time: 2.5-3 hours, 5000mA (1.0C 5rate)
  • Initial Impedance: 13-16mΩ
  • Weight: 62.0g±2g
  • Operating Temperature: Charging: 0℃45℃ Discharging: -20℃60℃
  • Storage Temperature: -20~45℃
  • Storage Humidity: ≤75% RH
  • Warranty: 1 Year

Unmatched Capacity and Power:

The IMREN 26650 battery boasts a remarkable 5000mAh capacity, providing extended power for high-drain devices. This large capacity ensures that devices can run longer without the need for frequent recharges, which is particularly beneficial for users who rely on their devices throughout the day. With a nominal voltage of 3.7V, the battery delivers consistent and reliable power output.

High Discharge Rate:

One of the standout features of the IMREN 26650 battery is its 50A discharge rate. This high discharge capability makes it an ideal choice for applications that demand substantial power, such as high-performance flashlights, e-cigarettes, and other electronic devices that require a robust power source. The ability to handle high current loads without compromising performance or safety is a key advantage of this battery.

Efficient and Safe Charging:

The IMREN 26650 battery utilizes CCCV (Constant Current, Constant Voltage) charging technology. This method ensures the battery is charged safely and efficiently, minimizing the risk of overcharging and extending the overall lifespan of the battery. The standard charge current is 1.50A, and the charging process is meticulously controlled to maintain optimal battery health. With a charging time of 2.5-3 hours, users can quickly get their devices back in action.

Robust Design and Durability:

Designed to withstand the rigors of daily use, the IMREN 26650 battery features a sturdy construction. Its flat top positive terminal ensures compatibility with a wide range of devices. The initial impedance of 13-16mΩ indicates low internal resistance, which translates to efficient energy transfer and reduced heat generation during operation. This enhances the battery's overall performance and longevity.

Wide Operating Range:

The IMREN 26650 battery is designed to perform in various environmental conditions. With an operating temperature range for charging between 0℃ and 45℃ and for discharging between -20℃ and 60℃, this battery can function reliably in both hot and cold climates. Its ability to operate under diverse conditions makes it a versatile choice for users worldwide.


In summary, the IMREN 26650 5000mAh 50A rechargeable lithium battery stands out as a powerful and reliable option for high-drain applications. Its impressive capacity, high discharge rate, efficient charging technology, and robust design make it a top contender in the market. Whether you need a dependable power source for your flashlight, e-cigarette, or other electronic devices, the IMREN 26650 battery is a choice you can trust.

Disclaimer: Always follow safety guidelines and manufacturer recommendations when using rechargeable lithium batteries. Improper usage may result in damage to property or personal injury.

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