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Black rectangular power bank with built-in USB-C connector, matte finish, compact lipstick size

charmast CMA 5000mAh Power Bank Black USB-C 20W

SKU CH-RX1M-NFCQW

A 5000 mAh power bank with a built-in USB-C connector delivers 20 W fast charging in a 92 g lipstick-sized design

  • Total capacity5,000 mAh
  • Battery chemistryLithium polymer
  • Voltage9 V
  • Amperage2.2 A
  • Output typeUSB Type C
  • InputUSB Type C
  • Built-in USB-C connector removes cable clutter
  • 5000 mAh capacity delivers 0.6 charges for iPhone 16
  • 20 W output reaches 50 % in 30 minutes
  • Weighs 92 grams and measures 1.38 x 3.03 x 0.97 in
  • USB-C input and output with 9 V 2.2 A rating

What this power bank is

A 5000mAh lithium-polymer power bank with a built-in USB-C connector. It delivers up to 20W output at 9V and 2.2A so you can charge compatible phones without carrying a separate cable. The unit weighs 92 grams and measures 1.38 by 3.03 by 0.97 inches.

Who it suits and who it does not

Travellers and commuters who want a pocket-sized charger for recent iPhone or Samsung models will find it convenient. It supplies roughly 0.6 charges for an iPhone 16 and 0.53 for a Samsung S24. Users who need multiple full recharges or who keep their phone in an OtterBox case should look at a larger unit.

Capacity and headroom

The 5000mAh cell provides enough energy for about half a phone charge, reaching roughly 50 percent in 30 minutes at 20W. It covers a single top-up during a meeting or short trip. For full-day away-from-socket use the capacity runs out after one partial refill, so a higher-capacity bank is required.

How it compares

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

Price $29.99
Cheaper than about 70% of the 1,307 comparable items (median $36.99).

Specifications

Product
Brand nameCharmast
Model nameCMA
Part numberCMA
Total capacity5,000 mAh
Product type5,000 mAh
Product colorBlack
Ports & slots
Output typeUSB Type C
InputUSB Type C
Power
Battery chemistryLithium polymer
Voltage9 V
Amperage2.2 A
Size & build
Measurements1.38 in × 3.03 in × 0.97 in
Product weight92 g

Questions about this item

Does this power bank need a separate cable to charge my iPhone 15?

No, the built-in USB-C connector plugs straight into the phone so no extra cable is required for charging.

Will it charge a Samsung S24 if I keep using that phone?

Yes, the 5000mAh capacity delivers roughly .53 full charges for the Samsung S24.

How can I confirm the 20W fast charging is active after I plug it in?

The phone should reach about 50 percent battery in 30 minutes, which matches the rated 20W output.

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