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Wireless charging technology: overview

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The wireless charging technologies covered on this page transfer energy through a magnetic field between coils in the charger and the device being charged. Charging power and efficiency depend significantly on the distance between the coils and how accurately they are aligned.

To simplify device placement and reduce losses, manufacturers use multiple coils to support charging in portrait or landscape orientation, as well as magnets for more precise positioning.

Some manufacturers use dual-coil designs to increase output power through parallel power transfer (OPPO AirVOOC).​

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Google wireless charging

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Pixel 8 charges at up to 18W on Google Pixel Stand (2nd gen), while Pixel 8 Pro charges at up to 23W.

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Pixel Stand 2 can charge other Qi-compatible devices at up to 15W. With third-party Qi-certified EPP chargers, Pixel 8 and Pixel 8 Pro support up to 12W.

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Note: Pixel 8, Pixel 8 Pro, and Pixel 9 belong to the Qi 1.x generation and do not support Qi2. On Pixel Stand 2, Pixel 9 charges at up to 15W. Starting with the Pixel 10 series, except Pixel 10a, Google supports Qi2; Pixel Stand 1 and Pixel Stand 2 are not compatible with Pixel 10 and newer models.

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Samsung Wireless Fast Charge - PPDE (Proprietary Power Delivery Extension)

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Samsung has its own proprietary version of wireless charging technology.

Versions:

  • Samsung flagship smartphones starting with the S6 support Qi 1.0 (BPP - 5W).

  • Wireless Fast Charge (PPDE - Proprietary Power Delivery Extension) is a BPP-based extension that provides up to 9W. It is Samsung's proprietary technology. It is compatible with BPP (Qi 1.0 - 5W), but not with EPP (Qi 1.2 and later).

  • (Super) Fast Wireless Charging 2.0 provides up to 15W for Samsung flagship devices and up to 7.5W for third-party Apple/Qi-compatible devices​​​​

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Vivo, iQOO Wireless Flash Charge

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This proprietary wireless charging technology is compatible with Qi (up to 15W).

Only one version is available: 50W. The charger has a dual-coil design that allows the phone to be placed in either portrait or landscape orientation at the same charging power. It also has a low-noise 3600 rpm fan; silent mode reduces charging power to 15W.​​​​

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HUAWEI (HONOR) SuperCharge Wireless​


This proprietary wireless charging technology is compatible with the Qi charging protocol.

Versions:

  • 27W

  • 40W (Huawei CP62 charger)

  • 50W (Huawei CP62R charger)

  • 66W

  • 80W - dual-coil design supporting vertical and horizontal charging. The charger has a nighttime silent mode, foreign object detection, and other safety features.

  • 100W​

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Xiaomi wireless charging (HyperCharge)

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This proprietary wireless charging technology is compatible with Qi: Apple smartphones - up to 7.5W; Samsung smartphones - up to 10W; other Qi-compatible devices - up to 10W (EPP 10W).

  • 20W - dual-coil design supporting portrait and landscape charging

  • 30W

  • 40W

  • 50W

  • 80W HyperCharge - dual-coil design supporting portrait and landscape charging.

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MediaTek Pump Express 4.0

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MediaTek also developed a separate wireless charging technology called Pump Express Wireless, which was listed among the features of the Helio P60 and P70 platforms.​

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Motorola TurboPower Wireless Charging

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Motorola produces Qi-compatible wireless charging stands under the TurboPower brand. They are fully Qi-compatible.

There are three versions: 10W, 15W, and a 15W stand with two coils.​​

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Infinix MagCharge, Wireless All-Round FastCharge

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Infinix offers several wireless chargers:

  • 15W - standard Qi-compatible wireless charging

  • 20W MagCharge - an Infinix-branded magnetic attachment phone case is required to attach the smartphone magnetically to the charging pad.

  • 110W Wireless All-Round FastCharge - proprietary dual-coil technology for portrait and landscape charging.​

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