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Black rectangular power bank with integrated USB-C cable, matte finish, LED display visible

NOBIS N2981 90W 20000mAh power bank

SKU CH-0VBP-A0601 MPN N2981

A 20000mAh power bank delivering 90W fast charging with a detachable USB-C cable and four ports for simultaneous device power

  • Total capacity20,000 mAh
  • Battery chemistryLithium polymer
  • Voltage5 V
  • Amperage3 A
  • Measurements13.7 in × 7.0 in × 2.86 in
  • Product type20,000 mAh
  • 90 W fast charging reaches 52 % laptop power in 30 minutes
  • Detachable USB-C cable plus four ports charge four devices at once
  • 20000 mAh capacity delivers 1.05 laptop charges or four phone charges
  • LED digital display shows remaining power with 1 % accuracy
  • Low-current mode activated by double-click protects small accessories from overcharging

Portable 90W 20000mAh Power Bank

This 20000mAh lithium polymer power bank delivers 90W fast charging for laptops, smartphones and tablets. It suits travellers and professionals who need multi-device power on the move. The 5V 3A output and PD/QC protocol support cover a wide range of USB-C and USB-A gear. Flight-friendly capacity makes it approved for carry-on luggage.

Detachable cable and four-port layout

A built-in detachable USB-C cable removes the need to carry extra cords. Two USB-C ports each support 65W output and two USB-A ports allow four devices to charge at once. Self-charging reaches 100% in 1.8 hours. The LED digital display shows remaining capacity with 1% accuracy and double-click activates low-current mode for small accessories.

Check your device charging requirements

Verify that your laptop or phone accepts USB-C Power Delivery up to the bank's 90W maximum. Confirm the 13.7 x 7.0 x 2.86 in dimensions fit your bag and that the 400g weight is acceptable for daily carry. Ensure you can recharge the bank via a compatible 65W or higher USB-C charger to achieve the stated 1.8-hour refill time.

How it compares

Measured against everything we stock in Portable Chargers & Battery Packs, at today’s prices. Recalculated every night.

Price $64.99
Pricier than about 90% of the 1,307 comparable items (median $36.99).

Specifications

Product
Brand nameNOBIS
Model nameN2981
Total capacity20,000 mAh
Product type20,000 mAh
Product colorBlack
Power
Battery chemistryLithium polymer
Voltage5 V
Amperage3 A
Size & build
Measurements13.7 in × 7.0 in × 2.86 in
Product weight400 g

Questions about this item

How can I confirm the NOBIS N2981 is delivering 90W fast charging after I connect my laptop?

Watch the LED digital display; it shows the remaining capacity with 1% accuracy and stays active for two hours so you can verify the power bank is outputting charge at full speed.

What cables and accessories come with the N2981 and what must I provide myself?

A detachable USB-C cable is attached to the unit; the power bank also has two USB-C ports and two USB-A ports for simultaneous charging of up to four devices, so no extra cables are required unless your device uses a different connector.

Should I choose the 20000mAh version or a smaller capacity for multi-day travel?

The 20000mAh model is rated for 1.05 laptop charges, four phone charges or two tablet charges and is flight-friendly, making it the appropriate choice for extended trips.

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