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Tesla co-founder JB Straubel is using old EV batteries to power AI data centers

cnbc.com Andrew Evers 2025-12-05 20:00:01

As demand for energy skyrockets amid the rise of AI, one of Tesla 's co-founders is betting on a new solution: giving old electric vehicle batteries a second-life. JB Straubel, who helped launch Tesla and served as its tech chief until 2019, founded Redwood Materials in 2017 to recycle batteries and build a closed-loop supply chain for EVs. But as Redwood started receiving more EV batteries, the startup noticed that most still had usable capacity. Rather than recycle those batteries, Redwood is

Topics: ai batteries data energy redwood

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I Forgot About the Battery Life on My Blink Outdoor Camera. That's the Best Part

cnet.com See Full Bio 2025-12-08 15:00:00

CNET's key takeaways When I tested the Blink Outdoor 4, it was one of the first battery-powered models I had tried from the Blink security brand and, after testing dozens of outdoor cameras from different brands, I wasn't sure what to expect. Yes, Blink makes lofty claims that its lithium AA batteries last a ridiculously long time, but I've heard marketing lingo like that before. This compact wireless cam, however, stayed posted on my fence through all four seasons and well beyond as I waited -

Topics: batteries battery blink camera outdoor

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Mobile BESS Powers Remote Heavy Equipment

news.ycombinator.com Andrew Moseman 2025-12-18 16:50:04

In June, a fuel delivery to a Johns Hopkins Hospital campus went terribly awry, spilling 2,000 gallons of diesel into Baltimore’s harbor. As the Maryland capital raced to contain the mess, responders discovered a problem: They didn’t have access to reliable power at the waterfront site. Usually in these kinds of situations, responders bring in fossil-fuel generators. But city officials wanted to do better than burning more fuel while cleaning up diesel. So they tracked down Scott Calhoun, chief

Topics: batteries bess mobile power volvo

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Google invests in carbon dioxide battery for renewable energy storage

engadget.com Unknown 2025-12-24 10:00:45

Google has announced that it has signed a global commercial partnership with Milan-based startup Energy Dome and has also invested in its long duration energy storage (LDES) tech for renewable energy. The deal, its first investment in LDES tech, entails using Energy Dome's carbon dioxide battery for the grids that power Google’s operations around the world. Batteries are used to keep excess energy generated by renewable sources, such as solar and wind, during peak production and when demand is l

Topics: batteries dioxide dome energy renewable

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Fire on Virgin Airlines Flight Linked to Power Bank in Passenger’s Bag

gizmodo.com Lucas Ropek 2025-12-27 10:15:45

Did a power bank start a fire on a recent Virgin flight? That’s the question investigators are currently trying to answer, as they probe an incident in Australia where a woman’s bag burst into flames. The incident, which involved a flight from Sydney, took place around 9 a.m. on Monday, just as the plane was descending to its destination, the New York Times reports. After the bag burst into flames, the plane’s cabin filled with smoke, according to reports. The plane’s crew managed to put out th

Topics: batteries flight lithium plane power

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Dynabook Portégé Z40L-N Review: Replaceable Batteries, High Price

wired.com Christopher Null 2025-12-27 15:00:00

Back in, say, 2001, business travelers would hop on an international flight not just with their laptop, but with three or four spare batteries also tucked into their attaché case. The extra batteries could add roughly 6 pounds to your load, but it was a necessary evil—each of those batteries would probably only offer about three or four hours of run time, barely enough to update your Lotus 1-2-3 spreadsheet. Coming up with novel ways to keep track of which batteries were charged and which were s

Topics: batteries battery dynabook portégé user

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Wild Video Shows Robot Changing Its Own Battery

futurism.com Unknown 2025-12-30 18:10:13

What do they even need us for anymore? Self Swap As we continue on our path towards a potential future filled with tireless humanoid robots staffing factory floors, companies are looking to solve a major pain point of the tech: a limited battery life. Chinese company UBTECH recently showed off its bipedal Walker S2 robot contorting its arms to hot swap one of its battery packs — a "world's first," seemingly — which means the 95-pound automaton could technically work 24 hours a day, an integra

Topics: batteries factory future humanoid robot

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GM and Redwood teaming up to make batteries for energy storage

theverge.com Andrew J. Hawkins 2026-01-11 20:00:00

is transportation editor with 10+ years of experience who covers EVs, public transportation, and aviation. His work has appeared in The New York Daily News and City & State. General Motors and Redwood Materials are joining forces yet again, this time with the intent to build energy storage units made out of new batteries and recycled EV packs. The two companies signed a non-binding memorandum of understanding to build energy storage out of US-manufactured batteries, as well as “second-life” EV

Topics: batteries energy grid new storage

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GM teams up with Redwood Materials to power data centers with EV batteries

techcrunch.com Tim De Chant 2026-01-11 20:00:00

GM is sending new and old EV batteries to recycler Redwood Materials, which then repurposes the packs for stationary energy storage, the two companies announced today. Second-life batteries from GM have already made their way through Redwood’s process and into a 12 megawatt microgrid at the company’s Sparks, Nevada, headquarters. Electricity from that installation then flows to a nearby 2,000 GPU data center owned by Crusoe. The microgrid is part of Redwood’s new energy storage division that l

Topics: batteries energy new redwood storage

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Google nerfs Pixel 6a batteries following fire hazard

news.ycombinator.com Unknown 2026-01-19 14:41:14

Google's Pixel phones have grown from a curiosity to become some of the best smartphones you can buy, featuring excellent cameras and lengthy support. Unfortunately, they are also gaining a reputation for battery defects. For the second time in a year, Google has announced that it will render some of its past phones almost unusable with a software update, and users don't have any choice in the matter. After nerfing the Pixel 4a's battery capacity earlier this year, Google has now confirmed a si

Topics: batteries battery choice energy google

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A mess of its own making: Google nerfs second Pixel phone battery this year

arstechnica.com Unknown 2026-01-20 05:42:36

Google's Pixel phones have grown from a curiosity to become some of the best smartphones you can buy, featuring excellent cameras and lengthy support. Unfortunately, they are also gaining a reputation for battery defects. For the second time in a year, Google has announced that it will render some of its past phones almost unusable with a software update, and users don't have any choice in the matter. After nerfing the Pixel 4a's battery capacity earlier this year, Google has now confirmed a si

Topics: batteries battery choice energy google

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Blink Outdoor 4 (5-Pack) With Battery Extension Pack Is 54% Off, Making Each Unit Almost Free for Prime Day

gizmodo.com Joe Tilleli 2026-01-29 00:25:07

Finding out your home has been broken into can be a scary experience. Your home is expected to be private and sacred. Once you learn your space has been invaded and that someone has gone through your personal belongings can be a violation that shake you to your core. It’s best to be prepared, taking necessary precautions to both deter trespassers and have video evidence in case it does happen. Consider a home security system like this five-camera bundle of Blink Outdoor 4 cameras with battery ex

Topics: batteries blink camera cameras home

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Why government red tape is draining your phone’s battery potential

androidauthority.com Unknown 2026-02-01 04:00:15

Robert Triggs / Android Authority You’re not alone if you’re pining for longer battery life from your latest smartphone. Despite emerging technologies like silicon-carbon cells, we’ve seemingly hit a ceiling just above the 5,000 mAh mark — at least for phones sold in the US and Europe. Meanwhile, glance over at models in China or India, and you’ll spot far larger batteries in otherwise identical handsets. For example, the new Nothing Phone 3 packs a 5,150mAh battery globally, but bumps that up

Topics: batteries battery cell regulations rules

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Batteries and Buildings

news.ycombinator.com Unknown 2026-01-31 22:49:53

Batteries and Buildings [2025-07-01] In categorizing software, a new classification that slides under people's noses is batteries vs no-batteries. TL;DR. software is said to be battery included if it works out of the box and it has all the necessary materials to build your software without external packaging While the latter means you add your own packages. burn the batteries# First principles are the most important part of learning anything. For instance, Express is moderately battery-incl

Topics: batteries battery flask framework included

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There’s a better Nothing Phone 3 variant, and you can’t buy it in the US

androidauthority.com Unknown 2026-02-09 05:08:26

C. Scott Brown / Android Authority TL;DR Nothing has confirmed that the Indian version of the Nothing Phone 3 has a 5,500mAh battery. Other versions of the phone have a slightly smaller 5,150mAh battery. We’re guessing that this discrepancy is related to EU regulations regarding the transport of batteries. The Nothing Phone 3 finally launched yesterday, and it looks like a well-rounded Android phone with a polarizing design. However, it turns out that one regional variant has a bigger batter

Topics: batteries battery eu indian phone

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Galaxy S26 could be getting not one, but two battery upgrades

androidauthority.com Unknown 2026-02-09 12:48:13

Joe Maring / Android Authority TL;DR Samsung is reportedly exploring more advanced “battery protection circuits” for the Galaxy S26 series, along with the previously reported SUS CAN casing. These upgrades could leave room for Samsung to expand the batteries in capacity. However, these upgrades may still not be able to compensate for the lack of a more advanced silicon-carbon battery. Batteries on the latest Samsung Galaxy flagship phone have been a major reason for disappointment. With the

Topics: batteries battery galaxy s26 samsung

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This data center in Nevada runs on solar power and reused EV batteries in groundbreaking project

techspot.com Skye Jacobs 2026-02-15 02:27:00

Forward-looking: Growing demand for AI-driven data centers is straining the energy grid. Repurposed electric vehicle batteries offer a promising solution, storing renewable energy more efficiently while reducing waste. This emerging technology could reshape how we power the digital age. Redwood Energy, a Redwood Materials venture, aims to change how people use lithium-ion batteries. Instead of sending batteries from electric vehicles straight to recycling, the company gives them a second life,

Topics: batteries battery energy power redwood

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This battery recycling company is now cleaning up AI data centers

technologyreview.com James Temple 2026-02-17 18:30:00

The event marked the launch of the company's new business line, Redwood Energy, which will repurpose (rather than recycle) batteries with years of remaining life to create renewable-powered microgrids. Such small-scale energy systems can operate on or off the larger electricity grid, providing electricity for businesses or communities. Redwood Materials says many of the batteries it takes in for processing retain more than half their capacity. “We can extract a lot more value from that materia

Topics: batteries centers data energy redwood

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Redwood Materials is giving old EV batteries a second life as microgrids

theverge.com Andrew J. Hawkins 2026-02-17 18:30:00

is transportation editor with 10+ years of experience who covers EVs, public transportation, and aviation. His work has appeared in The New York Daily News and City & State. Redwood Materials is repurposing old EV batteries into energy storage systems that cost “substantially less” than brand new storage projects, the company said Thursday. The electric vehicle battery recycling and manufacturing venture, which was founded by Tesla’s former chief technologist, has created a new division called

Topics: 000 batteries energy ev redwood

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Redwood Materials launches energy storage business and its first target is AI data centers

techcrunch.com Kirsten Korosec 2026-02-17 18:36:04

Tucked between two massive buildings in the hills of the Nevada desert, 805 retired EV batteries lie in neat formation, each one wrapped in nondescript white tarps — and hiding in plain sight. A passerby might not realize this unassuming array is the largest microgrid in North America, that it’s powering a 2,000 GPU modular data center for AI infrastructure company Crusoe, or that it represents the next big act of JB Straubel, the co-founder and CEO of Redwood Materials. Redwood Materials anno

Topics: batteries company recycling redwood said

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Best Alkaline Batteries for Your Devices in 2025

cnet.com See Full Bio 2026-02-18 22:58:00

For this round of testing, we gathered four of the most popular battery brands and tested five battery categories, including AAA, AA, C, D and 9-volt. Our objective was to find out which battery manufacturer offered the best value for your money. To assess battery performance, we used our custom-built battery test rig and timed the longevity of each battery, paying attention to their voltage output over time, and compared the difference in price per unit. Battery performance and voltage drop M

Topics: batteries battery test volt voltage

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A solid-state battery breakthrough may be taking shape in Maryland

techspot.com Skye Jacobs 2026-02-26 20:18:00

Forward-looking: In a quiet corner of Beltsville, Maryland, a new chapter in battery technology is unfolding. Ion Storage Systems, a company that began as a university research project, has emerged as a leading contender in the race to commercialize solid-state batteries – a technology long promised but rarely delivered at scale. After a recent visit to the company's Maryland facility, The Wall Street Journal concluded that Ion Storage Systems stands out as a company with a real chance of achie

Topics: batteries battery ion solid state

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Ford Will Keep Battery Factory Even If Republicans Ax Tax Break

news.ycombinator.com Neal E. Boudette 2026-02-26 23:37:47

In addition to giving tax breaks to consumers who buy or lease electric cars and trucks, the Inflation Reduction Act provides tax credits for automakers and suppliers that build battery plants in the United States. If the credits survive, they could offset about a quarter of the cost of the plant in Marshall, Ford executives said. The House version of the Republican bill would eliminate credits for plants that were built with materials or technology from China, Iran, North Korea or Russia. The

Topics: batteries battery credits ford plant

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BYD begins testing solid-state EV batteries in the Seal

news.ycombinator.com Peter Johnson 2026-02-28 11:42:22

BYD has now begun testing solid-state EV batteries in its Tesla Model 3-rivalling Seal. Initial tests suggest that the total driving range could reach nearly 1,200 miles (1,875 km). BYD begins testing solid-state EV batteries in the Seal It has been over a decade since BYD first began researching and developing the promising new EV battery technology. Last year, the company reached a milestone by testing its first solid-state battery cells with capacities of 20 Ah and 60 Ah. We knew BYD was p

Topics: batteries byd ev solid state

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Follow These Expert Tips to Store Your Electric Yard Equipment the Right Way This Summer

cnet.com See Full Bio 2026-03-01 23:10:00

Summer is here, and that means it's finally time to enjoy your garden once again. But getting the most out of your outdoor space means maintaining it, and that means having the right tools. Between lawn mowers, string trimmers and other important lawn gear, you probably have a familiar problem -- how do you keep your electric tools safe when you aren't using it? You need to make sure that your tools are ready when you need them, and that means doing more than just throwing them into a shed and f

Topics: batteries battery equipment outdoor powered

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Concha Sol Hearing Aids Review: Feeling Dated

wired.com Christopher Null 2026-03-03 06:00:00

Concha Labs has been making over-the-counter hearing aids since 2017, marketing just one product—the Concha Sol. The hearing aids have a familiar design, a classic behind-the-ear configuration with a simple rocker control on the back of each. Concha particularly touts its customizability: The Sol come in your choice of four colors, and can be configured with lead wires in four different sizes, though it should be noted that many competing hearing aids have lead wires that can be adjusted on the

Topics: aids batteries concha hearing sol

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I don’t buy Samsung’s excuse for not using a silicon-carbon battery in the S25 Edge

androidauthority.com Unknown 2026-03-05 05:00:19

Ryan Haines / Android Authority Samsung just launched the Galaxy S25 Edge, and it’s probably the most polarizing Galaxy phone in years. The new phone brings an impressively thin and light design along with a 6.7-inch display. It also has the S25 Ultra’s 200MP main camera. Unfortunately, this thin and light phone comes with several compromises, such as no telephoto camera and 25W wired charging power. However, the 3,900mAh battery is the Galaxy S25 Edge’s biggest cutback. Samsung could have use

Topics: batteries battery carbon samsung silicon

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The best rechargeable batteries of 2025

zdnet.com Adrian Kingsley-Hughes 2026-03-14 05:20:50

It's time to rethink disposable batteries. We toss out billions of them each year, filling landfills, creating hazardous waste, and spending our hard-earned money. Rechargeable batteries have come a long way and can now outperform disposables. They're a smart upgrade for anyone tired of constantly replacing dead AAs. I tested and ranked the best rechargeable batteries of 2025 to help you get top-tier performance, longevity, and value from your batteries. Keep reading for my top picks below. Al

Topics: aa aaa batteries battery rechargeable

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Anker is recalling over 1.1M power banks due to fire and burn risks

news.ycombinator.com Andrew Liszewski 2026-03-14 15:41:20

is a senior reporter who’s been covering and reviewing the latest gadgets and tech since 2006, but has loved all things electronic since he was a kid. Anker has issued a recall for its PowerCore 10000 power bank (model A1263) due to a “potential issue with the lithium-ion battery” that could pose a fire safety risk. The company has received 19 reports of fires and explosions that have caused minor burn injuries and resulted in property damage totaling over $60,700, according to the US Consumer

Topics: anker bank batteries model power

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Anker is recalling over 1.1 million power banks due to fire and burn risks

theverge.com Andrew Liszewski 2026-03-16 21:19:12

is a senior reporter who’s been covering and reviewing the latest gadgets and tech since 2006, but has loved all things electronic since he was a kid. Anker has issued a recall for its PowerCore 10000 power bank (model A1263) due to a “potential issue with the lithium-ion battery” that could pose a fire safety risk. The company has received 19 reports of fires and explosions that have caused minor burn injuries and resulted in property damage totaling over $60,700, according to the US Consumer

Topics: anker bank batteries model power

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Latest Tech News

Tesla co-founder JB Straubel is using old EV batteries to power AI data centers

I Forgot About the Battery Life on My Blink Outdoor Camera. That's the Best Part

Mobile BESS Powers Remote Heavy Equipment

Google invests in carbon dioxide battery for renewable energy storage

Fire on Virgin Airlines Flight Linked to Power Bank in Passenger’s Bag

Dynabook Portégé Z40L-N Review: Replaceable Batteries, High Price

Wild Video Shows Robot Changing Its Own Battery

GM and Redwood teaming up to make batteries for energy storage

GM teams up with Redwood Materials to power data centers with EV batteries

Google nerfs Pixel 6a batteries following fire hazard

A mess of its own making: Google nerfs second Pixel phone battery this year

Blink Outdoor 4 (5-Pack) With Battery Extension Pack Is 54% Off, Making Each Unit Almost Free for Prime Day

Why government red tape is draining your phone’s battery potential

Batteries and Buildings

There’s a better Nothing Phone 3 variant, and you can’t buy it in the US

Galaxy S26 could be getting not one, but two battery upgrades

This data center in Nevada runs on solar power and reused EV batteries in groundbreaking project

This battery recycling company is now cleaning up AI data centers

Redwood Materials is giving old EV batteries a second life as microgrids

Redwood Materials launches energy storage business and its first target is AI data centers

Best Alkaline Batteries for Your Devices in 2025

A solid-state battery breakthrough may be taking shape in Maryland

Ford Will Keep Battery Factory Even If Republicans Ax Tax Break

BYD begins testing solid-state EV batteries in the Seal

Follow These Expert Tips to Store Your Electric Yard Equipment the Right Way This Summer

Concha Sol Hearing Aids Review: Feeling Dated

I don’t buy Samsung’s excuse for not using a silicon-carbon battery in the S25 Edge

The best rechargeable batteries of 2025

Anker is recalling over 1.1M power banks due to fire and burn risks

Anker is recalling over 1.1 million power banks due to fire and burn risks

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