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2. These are the best iPhone chargers in 2025 - AOL

   www.aol.com/best-iphone-chargers-2025-103300837.html

   £11.99 at amazon.co.uk. Anker 333 USB-C to USB-C cable. Until now, you’ve been relying on a cable with a Lightning connector on one end for your charging needs, but with the release of the ...

3. Rezence (wireless charging standard) - Wikipedia

   en.wikipedia.org/wiki/Rezence_(wireless_charging...

   The interface standard supported power transfer up to 50 watts, [1] at distances up to 5 centimeters. [2] The power transmission frequency is 6.78 MHz, and up to eight devices could be powered from a single PTU depending on transmitter and receiver geometry and power levels.

4. MagSafe (wireless charger) - Wikipedia

   en.wikipedia.org/wiki/MagSafe_(wireless_charger)

   [1] Apple released two chargers using the MagSafe standard in 2020: the MagSafe Charger, which is a single charging pad for iPhone, and the MagSafe Duo Charger, which is a charging mat with both MagSafe and an Apple Watch charger. [2] Apple has also licensed the MagSafe standard to third parties to develop chargers and cases.

5. Wi-Charge - Wikipedia

   en.wikipedia.org/wiki/Wi-Charge

   Wi-Charge has stated that its technology complies with the IEC 60825-1 International Safety Standard (laser safety). According to this standard it is a Class 1 product. "Class 1: Lasers that are safe under reasonably foreseeable conditions of operation, including the use of optical instruments for intrabeam viewing."

6. Apple Battery Charger - Wikipedia

   en.wikipedia.org/wiki/Apple_Battery_Charger

   The charger was sold with six rechargeable AA batteries that use low self-discharge NiMH technology, [8] have a silver design and no Apple branding, and have an advertised capacity of 1,900 milliampere-hour (mAh). [2] Czech website SuperApple identified the batteries as likely being rebranded Eneloop HR-3UTG 1.2 volt batteries manufactured by ...

7. Qi (standard) - Wikipedia

   en.wikipedia.org/wiki/Qi_(standard)

   Qi (/ tʃ iː / CHEE) is an open standard for inductive charging developed by the Wireless Power Consortium.It allows compatible devices, such as smartphones, to receive power when placed on a Qi charger, which can be effective over distances up to 4 cm (1.6 in). [1]

8. Wireless power transfer - Wikipedia

   en.wikipedia.org/wiki/Wireless_power_transfer

   Its Qi inductive power standard published in August 2009 enables high efficiency charging and powering of portable devices of up to 5 watts over distances of 4 cm (1.6 inches). [173] The wireless device is placed on a flat charger plate (which can be embedded in table tops at cafes, for example) and power is transferred from a flat coil in the ...

9. Link budget - Wikipedia

   en.wikipedia.org/wiki/Link_budget

   For example, a "2 by 4" wood stud wall with drywall on both sides results in about 6 dB loss per wall at 2.4 GHz. [2] Older buildings may have even greater internal losses than new buildings due to materials and line of sight issues. Experience has shown that line-of-sight propagation holds only for about the first 3 meters.