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Black rectangular power bank with rounded edges, smooth matte finish, built-in USB-C cable loop visible, compact slim profile

RociLife ROLE37 5000mAh Magnetic Power Bank

SKU CH-AMRY-E5ZHQ MPN ROLE37

A slim 5000mAh magnetic power bank with built-in USB-C cable delivers up to 15W wireless and 20W wired charging for iPhone 12 through 17 series

  • Total capacity5,000 mAh
  • Battery chemistryLithium ion
  • Voltage5 V
  • Output typeUSB Type C
  • InputUSB Type C
  • Measurements4.4 in × 3.54 in × 0.7 in
  • Strong magnetic hold snaps onto iPhone 12 through 17 series
  • Up to 15 W wireless and 20 W wired output charges fast
  • Built-in USB-C cable plus port powers three devices at once
  • Pass-through charging replenishes the bank while your phone charges
  • Slim 4.4 x 3.54 x .7 in design weighs only .12 kg

Magnetic attachment and capacity

The RociLife ROLE37 is a 5000mAh magnetic power bank built for iPhone 12 through 17 series users. It snaps onto the back of compatible models using a strong nano adsorption force and includes a built-in USB-C cable for wired charging. The slim profile measures 4.4 in x 3.54 in x .7 in and weighs .12 kilograms.

Wireless and wired output limits

Wireless charging delivers up to 15W with 5W, 7.5W and 10W steps, while the USB-C port provides a maximum 20W output for both input and output. The 5000mAh lithium-ion cell at 5 volts offers enough headroom for roughly one full phone charge, but it will not sustain multiple full cycles for larger models. Pass-through charging lets you replenish the bank while it powers a device.

Build integration and device support

The soft silicone surface protects the iPhone from scratches during wireless charging. A MagSafe-compatible case is recommended for reliable magnetic hold; thick cases may require removal. The integrated USB-C cable works with Android devices, iPads and other USB-C gear, and the bank can charge three devices simultaneously via wireless, the built-in cable and the USB-C port.

How it compares

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

Price $25.99
Cheaper than about 82% of the 1,307 comparable items (median $36.99).

Specifications

Product
Brand nameRociLife
Model nameROLE37
Part numberROLE37
Total capacity5,000 mAh
Product type5,000 mAh
Product colorBlack
Ports & slots
Output typeUSB Type C
InputUSB Type C
Power
Battery chemistryLithium ion
Voltage5 V
Size & build
Measurements4.4 in × 3.54 in × 0.7 in
Product weight0.12 kg

Questions about this item

Will the 5000mAh power bank magnetically attach to my iPhone 13 Pro Max while it sits in a MagSafe case?

Yes, the upgraded nano adsorption force works through MagSafe-compatible cases on the iPhone 13 series, and the soft silicone surface protects the phone from scratches during attachment.

How can I confirm the 15W wireless output is active after snapping the bank onto my iPhone 15?

The iPhone charging animation will appear and the bank’s indicator lights show the selected wireless level — 5W, 7.5W, 10W or 15W — so you can verify the fast-charge handshake immediately.

Does the box include the built-in USB-C cable and a separate wall charger for the 20W input?

The integrated USB-C cable is permanently attached for both 20W input and output; a wall charger is not supplied and must be purchased separately if you do not already own a 20W USB-C adapter.

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