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Black rectangular power bank with built-in Type-C cable, compact 5.51×2.91×0.7 inch form factor

MIRO

MIRO B6 Power Bank 10000mAh Black

SKU CH-X59W-K7DHF

A 10000 mAh lithium-polymer power bank with triple-port fast charging up to 20 W and a built-in Type-C cable

  • Total capacity10,000 mAh
  • Compatible phone brandsApple
  • Compatible phone modelsiPhone 14 Pro Max
  • Battery chemistryLithium Polymer
  • Voltage5 V
  • Amperage3A
  • 10000 mAh capacity keeps devices powered longer
  • Built-in Type-C cable means no extra cord to carry
  • Triple ports charge three devices at once
  • 110 g weight and 5.51×2.91×0.7 in size fit any bag
  • 5 Wh rating meets aviation carry-on rules

Compact 10000 mAh Power Bank

The MIRO B6 is a lithium-polymer power bank with a 10000 mAh capacity and a 37.4 Wh energy rating. Its 5.51×2.91×0.7 inch form factor weighs 110 g, making it small enough for daily carry. It suits commuters and travellers who need reliable backup power for smartphones and small USB devices.

Built-In Cable and Triple-Port Output

A built-in USB-C cable removes the need to carry a separate cord for USB-C devices. Three ports — two USB-C and one USB-A — support simultaneous charging at up to 20 W per USB-C port and 18 W from the USB-A port. This lets you top up a phone, tablet and earbuds at the same time without extra cables.

Aviation-Certified 38.5 Wh Limit

The 38.5 Wh rated energy meets aviation safety certification for carry-on luggage on domestic and international flights. Output is limited to 5 V at 3 A per port, so devices requiring higher voltages or proprietary fast-charge protocols will charge at standard USB rates only.

How it compares

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

Price $31.99
Cheaper than about 65% of the 1,307 comparable items (median $36.99).

Specifications

Product
Brand nameMIRO
Product lineB6
Model nameB6
Part numberB6
Total capacity10,000 mAh
Product typePower Bank
Product colorBlack
Power
Battery chemistryLithium Polymer
Voltage5 V
Amperage3A
Size & build
Measurements5.51 × 2.91 × 0.7 in
Product weight110g
Compatibility
Compatible phone brandsApple
Compatible phone modelsiPhone 14 Pro Max

Questions about this item

Will the lithium-polymer cells need replacement after a certain number of charge cycles?

Lithium-polymer cells in this power bank typically retain usable capacity for several hundred full cycles before noticeable degradation occurs.

What limits sustained output when charging three devices at maximum rates?

The 10000mAh capacity and internal thermal management will reduce output once the cells deplete or temperature thresholds are reached.

How warm does the unit get and what power does it draw when running all three ports continuously?

The casing may become warm during 20W dual Type-C and 18W USB-A simultaneous output, but the 110g polymer body dissipates heat without active cooling.

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