IMALENT MRB-217P40 21700 Battery 4000mAh Type-C Rechargeable High Capacity for Flashlights and Gadgets

In stock
SKU
865054790068
Estimated Delivery:
6 Dec, 2025 - 11 Dec, 2025
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On all orders over £30

Introducing the IMALENT MRB-217P40 21700 Rechargeable Battery, a cutting-edge energy solution designed to power your essential devices without compromise. With a robust capacity of 4000mAh, this battery is perfect for high-demand applications, offering limitless energy for flashlights, cameras, and a myriad of electronic gadgets. Engineered for efficiency and reliability, the MRB-217P40 boasts advanced features that make it a must-have for anyone who values performance and convenience. Whether you're on an adventure or tackling daily tasks, this sleek and powerful battery ensures that you're always charged and ready to go.

Key features

  • High Capacity for Extended Use: Boasting an impressive 4000mAh capacity, the MRB-217P40 delivers substantial power, ensuring your high-drain devices operate longer without interruption. Say goodbye to frequent recharges and enjoy sustained performance.
  • Integrated USB Type-C Rechargeable Design: Experience ultimate convenience with the built-in Type-C charging port. This modern interface allows for direct charging without the need for an external charger, simplifying your setup and ensuring broad compatibility.
  • Rapid 2A Charging Support: Designed for efficiency, this battery supports a recommended charging current of 2A, significantly reducing recharge times. Get your devices back to full power quickly and minimize downtime.
  • Premium 21700 Lithium-Ion Cell: Utilizing a high-quality 21700 cell, the MRB-217P40 offers superior energy density and stable power output, making it an ideal choice for performance-critical applications.
  • Advanced Safety Protections: Engineered with multiple safety circuits, including overcharge, over-discharge, short-circuit, and temperature protection, this battery guarantees safe and reliable operation for both itself and your valuable devices.

Technical Parameters

  • Battery Type: 21700 Lithium-Ion (Li-ion)
  • Nominal Voltage: 3.7V
  • Capacity: 4000mAh
  • Integrated Charging Port: USB Type-C
  • Maximum Recommended Charging Current: 2A

The IMALENT MRB-217P40 isn't just a battery; it's a powerful and intelligent energy companion designed for the modern user. With its high capacity, swift Type-C charging, and robust safety features, it ensures your high-drain devices remain powered for longer, keeping you connected and ready for anything. Upgrade your power source today and experience unparalleled reliability and convenience.

What is the frequently asked question?

Q: What devices are compatible with the IMALENT MRB-217P40 battery?

A: This 21700 battery is ideal for high-drain devices such as high-performance flashlights, portable cameras, some electronic vaporizers, and other gadgets that specifically require a 21700 size Li-ion battery. Always check your device's battery compatibility and size requirements before use.

Q: How long does it take to fully charge the MRB-217P40?

A: With its recommended charging current of 2A via the integrated Type-C port, a fully depleted 4000mAh battery can typically be recharged in approximately 2 to 3 hours, depending on the power adapter used. For optimal speed, use a charger capable of delivering 2A or more.

Q: Can I charge this battery with a regular USB charger?

A: Yes, the integrated Type-C port allows you to charge the battery using any standard USB Type-C cable and a compatible USB power adapter (e.g., from a smartphone charger, power bank, or computer port). Ensure the adapter can supply at least 2A for efficient charging.

Q: What is the expected lifespan of the IMALENT MRB-217P40 battery?

A: Like most high-quality Lithium-Ion batteries, the MRB-217P40 is designed for longevity, typically offering 300-500 charge/discharge cycles while maintaining a significant portion of its original capacity. Proper usage, avoiding extreme temperatures, and storing at a partial charge can help extend its overall lifespan.

Q: Does this battery have built-in safety features?

A: Yes, the IMALENT MRB-217P40 is engineered with multiple essential safety features, including overcharge protection, over-discharge protection, short-circuit protection, and temperature protection. These safeguards ensure safe and reliable operation for both the battery and your powered devices.

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