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Battery Life

52 GoKawiil briefs on this topic

How E-Ink Technology Enables Ereaders' Paper-Like Displays and Long Battery Life

E-ink technology uses electromagnetic principles to create paper-like screens that can display static images without drawing power, giving ereaders battery life that can span weeks or months compared to days for tablets like the iPad. The underlying mechanism is rooted in basic physics, though the precise chemistry and electronics involved are complex and limit how competitive e-ink devices can be against mainstream tablets.

Sony WH-1000XM5 headphones hit $198 on Amazon

Amazon is selling Sony's WH-1000XM5 noise-cancelling headphones for $198, which the listing marks as an all-time low price. The headphones feature active noise cancellation and a rated battery life of up to 30 hours.

Samsung Galaxy Watch Ultra 2 review highlights brighter display, longer battery life

Samsung's second-generation Galaxy Watch Ultra features a 1.52-inch display with peak brightness of 5,000 nits, up from 3,500 nits on the original model, and is described as lighter and slimmer than its predecessor and Apple's Watch Ultra 4. It retains the 47mm squircle design, proprietary Dynamic Lug System for bands, and lacks a rotating bezel, with button protrusions reduced and less orange accenting than before.

Developer praises 2015 Lenovo ThinkPad X250 as ideal daily-use laptop

A blogger describes a refurbished 2015 ThinkPad X250, upgraded to 8GB RAM, as their favourite laptop, citing its compact A4-sized form factor, 1.45kg weight, and extended 10-12 hour battery life with an aftermarket external battery. They also highlight its repairability, having personally replaced the internal battery, camera, keyboard, and motherboard using cheap, widely available parts.

Reader poll: Samsung's One UI 9 update praised, but battery drain complaints persist

A reader poll of over 1,300 respondents found most Samsung users satisfied with the One UI 9 update, with 35.1% calling it 'fine' and 25.9% saying they're 'loving it.' However, nearly 15% reported being unimpressed, with several commenters specifically citing faster battery drain as a problem after installing the Android 17-based update.

MacBook Pro power draw cut by roughly half to two-thirds since 2011, analysis finds

Comparing Apple's own battery specs for the 2011 and 2026 16-inch MacBook Pro models shows the newer M5 Max machine packs a larger 99.6 watt-hour battery into a chassis about 16% lighter and 31% thinner than its 2011 counterpart. Using Apple's stated web-browsing battery life, average power draw falls from about 11W in 2011 to about 6.2W now, while independent rundown testing shows an even steeper drop from roughly 10.4W to about 3.2W.

How to prevent CarPlay and Android Auto from overheating your phone

Using Apple CarPlay or Android Auto can drain phone batteries and cause overheating because the device simultaneously runs normal phone functions and powers a tablet-like dashboard display, including a constantly updating map. The guidance recommends using a wired connection when possible, while cautioning that constant charging can itself generate heat, and suggests setting charge limits in phone settings or keeping the device in a cool, shaded spot in the car.

Apple AirTags run on replaceable CR2032 batteries lasting about a year

AirTags use a standard CR2032 coin cell battery that typically lasts a year or more, though heavy use of features can shorten that to a few months. Users can check battery status via the Items tab in Find My, which shows an orange icon only when a replacement is needed. Replacing the battery involves twisting off the steel back cover and swapping in a new cell with the positive side up.

Apple-recommended iPhone battery tips skip app-closing advice

Reports note that closing background apps on an iPhone does not meaningfully extend battery life, contrary to common belief. Instead, settings such as disabling Background App Refresh and restricting apps' location access to only when in use are presented as more effective ways to conserve power.

Pixel Watch 5 LTE model discounted to $399.99 on Amazon

Amazon is selling the LTE version of Google's Pixel Watch 5 for $399.99, a $100 reduction from its standard price. The cellular model allows calls, texts, and streaming without a paired phone nearby, and Google rates the watch's battery life at up to 30 hours.

Samsung Galaxy Tab S10 FE price cut to $419.99 on Amazon

Amazon is selling the Samsung Galaxy Tab S10 FE for $419.99, which includes the S Pen stylus. The tablet features a 10.9-inch display and is advertised with all-day battery life.

Sony WH-CH520 headphones discounted $31 on Amazon

Amazon is selling Sony's WH-CH520 wireless headphones at a 46% discount, cutting $31 off the regular price. The budget model offers up to 50 hours of battery life and customizable EQ settings through a companion app.