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Black rectangular power bank with magnetic face and fold-out kickstand

Techsmarter

Techsmarter TSB4270 10000mAh Magnetic Wireless Power Bank

SKU CH-XSFC-6M688 MPN TSB4270

A 10000 mAh magnetic power bank with 18 W wired and wireless fast charging, built-in kickstand and pass-through charging for iPhone 12, 13, 14 and 15

  • Total capacity10,000 mAh
  • Compatible phone brandsiPhone
  • Compatible phone models12, 13, 14, 15
  • Output type18 W
  • Input18 W
  • Measurements0.5 × 2.95 × 3.89 in
  • Magnetic attachment aligns iPhone 12, 13, 14, 15 for cable-free charging
  • 18W USB-C PD input refills the power bank in 2 hours
  • 10000 mAh capacity delivers multiple phone charges while travelling
  • Built-in kickstand props the phone for hands-free viewing
  • Magnetic-case friendly design works without removing compatible cases

Magnetic iPhone Power Bank

The Techsmarter TSB4270 is a 10000mAh portable charger that snaps magnetically to iPhone 12, 13, 14 and 15 models. It delivers 18W wired output through USB-C Power Delivery and wireless fast charging that is 50 percent quicker than conventional wireless pads. A built-in kickstand props the phone up for hands-free viewing. The unit recharges in about two hours from an 18W PD source and supports pass-through charging.

iPhone 12-15 users only

This power bank is made for owners of iPhone 12, 13, 14 or 15 who want cable-free charging with a secure magnetic hold. It works with magnetic cases but will not attach through standard non-magnetic cases. Users of earlier iPhone models or Android devices cannot use the magnetic attachment feature. Anyone needing higher capacity or multiple simultaneous device charging should consider other options.

18W USB-C PD input and output

The single specification that decides fit is the 18W USB-C Power Delivery port handling both input and output. It governs how fast the bank recharges and how quickly it powers a connected iPhone by cable. Wireless speed and magnetic alignment are fixed by the MagBoost design, so the USB-C PD rating is the variable that matches your charger and cable ecosystem.

How it compares

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

Price $17.99
Cheaper than about 92% of the 1,307 comparable items (median $36.99).

Specifications

Product
Brand nameTechsmarter
Product lineMagBoost
Model nameTSB4270
Part numberTSB4270
Total capacity10,000 mAh
Product typePower Bank
Product colorBlack
Ports & slots
Output type18 W
Input18 W
Size & build
Measurements0.5 × 2.95 × 3.89 in
Product weight7.8 oz
Compatibility
Compatible phone brandsiPhone
Compatible phone models12, 13, 14, 15

Questions about this item

What USB-C PD wattage does the TSB4270 support for input and output?

The power bank accepts up to 18W USB-C PD input to recharge in about 2 hours and delivers up to 18W PD output for wired fast charging.

Will the 3.89 x 2.95 x .5 inch TSB4270 attach through a standard non-magnetic case?

No, the magnetic alignment works only with MagSafe-compatible magnetic cases; ordinary cases block the connection.

How do you enable wireless charging on the TSB4270, and what step do users often miss?

Snap the iPhone 12, 13, 14 or 15 onto the magnetic face, then press the side power button to start the 50% faster wireless charge; forgetting the button press is the common error.

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