Topic
battery-life
Technology Joule Thief Circuit Reveals Hidden Energy Still Left in Dead Batteries
Rhett Allain of WIRED explains how a so-called joule thief circuit — a transformer paired with a transistor — can recover residual chemical energy from batteries that appear dead. The circuit can run a 3-volt LED on a single 1.5-volt AA battery, showing that battery depletion is not the same as zero energy.
Technology Best Wireless Earbuds of 2026: WIRED's Top Picks After Testing Hundreds
WIRED's Reviews team tested hundreds of wireless earbuds to identify the best models for most users. The guide, updated August 2026, names Google Pixel Buds 2a as the best overall, Apple AirPods Pro 3 as the top iPhone choice, and Samsung Galaxy Buds4 Pro as the best for Samsung owners.
Technology How Apple's iOS 27 Boosts Older iPhone Speed and Extends Device Longevity
Apple's upcoming iOS 27 update brings platform stability improvements that make older iPhones, including the iPhone 11 from 2019, run faster and more responsively. Key gains include up to 30% faster app launches, 80% faster AirDrop transfers, and 70% faster photo library loading, achieved through CPU scheduler optimizations. The move supports Apple's services business—which hit $31 billion in revenue—and reinforces brand loyalty, though older devices miss new Apple Intelligence features.
Manufacturing Long-Lasting Smartwatch Alternatives for Manufacturing Professionals
Engadget reviews four Apple Watch alternatives with extended battery life, including the Whoop 5.0 (14 days), Garmin Venu 4 (10 days), Amazfit Bip 6 (7 days), and CMF Watch 3 Pro (13 days). These devices offer health tracking and smart features while reducing charging frequency.
Manufacturing Majority Move M4 Review: A JBL Xtreme Rival That Falls Short on Sound Quality
TechRadar tested the Majority Move M4 Bluetooth speaker, aiming to rival JBL's Xtreme line. Despite a rugged build, 30-hour battery, and multiple connectivity options, the M4 suffers from compressed sound and lacklustre bass. For manufacturing procurement teams sourcing portable audio for job sites or facilities, the M4's durability is offset by poor audio performance against competitors like the JBL Xtreme 5.
Manufacturing Marshall's Stockwell III Speaker Doubles Battery Life
Marshall's new Stockwell III portable speaker boasts over 40 hours of battery life, doubling the previous model's capacity. It features True Stereophonic technology for 360-degree audio and a modular design for user-replaceable components.