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Wireless charging uses up to 40% more power than wired, with heat and battery life also factors

Wireless smartphone charging can consume up to 40% more electricity than wired charging, using about 21Wh versus 15Wh to charge a phone from 0% to 100%, Engadget reported. Energy is lost as heat during electromagnetic power transfer and during AC-to-DC conversion. Higher temperatures can accelerate lithium-ion battery degradation. Wider adoption could lift overall power use, while safety and environmental burdens vary by product and usage conditions.

Telecommunications & Media

MacBook may be cheapest now: buying guide for Air, Neo and Pro

Apple’s MacBook prices have generally fallen since the shift to Apple silicon, but the current discount window is drawing attention as memory prices may rise. Apple has mentioned the possibility of future price increases due to memory supply pressure tied to expanding AI demand, according to 9to5Mac. The MacBook Air is seen as the main model, while the new low-cost MacBook Neo lowers the entry price. Supply constraints and a possible MacBook Pro redesign remain variables.

Telecommunications & Media

iPhone 17 Pro Max vs Galaxy S26 Ultra: who wins in ultra-premium phones?

Apple’s iPhone 17 Pro Max and Samsung Electronics’ Galaxy S26 Ultra are competing head-to-head in the ultra-premium smartphone market. Both have 6.9-inch OLED displays, AI features and high-end chipsets, but they differ in focus. TechRadar said Samsung stands out for functionality and flexibility, while Apple has strengths in performance optimisation and ecosystem integration. The phones differ on pricing, design, display, camera systems, performance, and charging speed.