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Black rectangular power bank, smooth matte finish, rounded edges, USB-C and two USB-A ports visible, compact pocket size

MIRO

MIRO B7 Power Bank 10000mAh Black

SKU CH-AD78-1WT44

A 10000 mAh lithium-polymer power bank with three ports delivering up to 22.5 W each, measuring 140.6 × 68 × 16.4 mm and weighing 110 g

  • Total capacity10,000 mAh
  • Compatible phone brandsApple
  • Compatible phone modelsiPhone 14 Pro Max
  • Battery chemistryLithium Polymer
  • Voltage5 V
  • Amperage3A
  • 10000 mAh capacity provides multiple full phone charges
  • 110 g weight and 16.4 mm thickness slip into any pocket
  • Three ports — two USB-A and one Type-C — charge phone, tablet and earbuds together
  • Each port delivers up to 22.5 W for fast charging across devices
  • 6 × 68 × 16.4 mm footprint keeps bulk to a minimum

MIRO B7 10000mAh Power Bank

The MIRO B7 is a 10000mAh lithium polymer power bank designed for portable charging. It delivers up to 22.5W output across two USB-A ports and one Type-C port. The unit measures 140.6×68×16.4mm and weighs 110g. It is supplied new in black.

Who this suits and who it does not

Travellers and commuters needing multiple device charges from a pocket-sized 10000mAh unit will find the B7 practical. Users requiring higher capacity for extended off-grid use or laptops needing dedicated high-wattage USB-PD output should consider larger alternatives.

Deciding specification: 10000mAh capacity

The 10000mAh rating determines how many full phone charges are available before the power bank itself needs recharging. At 37Wh it remains within typical airline carry-on limits. Match this capacity to your daily device usage to confirm suitability.

How it compares

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

Price $20.99
Cheaper than about 90% of the 1,307 comparable items (median $36.99).

Specifications

Product
Brand nameMIRO
Product lineB7
Model nameB7
Part numberB7
Total capacity10,000 mAh
Product typePower Bank
Product colorBlack
Power
Battery chemistryLithium Polymer
Voltage5 V
Amperage3A
Size & build
Measurements5.54 × 2.68 × 0.646 in
Product weight110g
Compatibility
Compatible phone brandsApple
Compatible phone modelsiPhone 14 Pro Max

Questions about this item

How can I confirm the MIRO B7 is charging my iPhone 14 Pro Max correctly after plugging it in?

The power bank delivers up to 22.5W per port; when connected to your iPhone 14 Pro Max the phone's charging indicator will appear and the battery percentage will rise steadily.

What comes in the box with the MIRO B7 and what extra cable might I need?

The package includes the 10000mAh power bank itself; you will need to supply a USB-C to Lightning cable or a USB-A to Lightning cable to charge an iPhone 14 Pro Max.

Which capacity version of the MIRO B7 should I choose for several phone recharges on a trip?

The B7 is offered in a single 10000mAh/37Wh capacity, which typically provides two to three full charges for an iPhone 14 Pro Max before the power bank needs recharging.

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