The big (180) Bluetti has been running the fridge for 2.5 hours is down to 75% power, which seems pretty good. We’ll switch it to the freezer here at about 11:30 I think, and give that 2 hours to bring the temp down. It recharges to 85% in 45 minutes, so after that I’m going to go beg an outlet from my neighbor with the whole house generator.
Pretty happy to have these batteries right now.
“The pair have a nine-month-old daughter and a three-year-old son – having a reliable way to #sterilise bottles and #BoilWater for formula was critical.
They knew the battery from their white #BYD Atto 3 could power their home using the vehicle-to-load system (#V2L) – a backup power system that allows the car #battery to power #appliances – but neither had actually hooked it up. They wondered how much it could handle.”
#Cyclone / #AIO / #Straya <https://www.theguardian.com/australia-news/live/2025/mar/16/australia-news-live-anthony-albanese-ukraine-election-cost-of-living-peter-dutton-women-weather-sydney-heatwave-ntwnfb?page=with%3Ablock-67d5fb728f0881be55ef55e2#block-67d5fb728f0881be55ef55e2>
Lithium is one of the big metals in demand because of its use in batteries. But, there is constant improvement with alternatives.
An example is sodium batteries which show promise for several applications where they could be used instead of lithium (and potentially reduce the demand for lithium). The article mentions some other battery technologies too - but getting away from lithium and rare earth metals helps a lot of countries.
#rareearth #metal #lithium #energy #battery
https://stockhead.com.au/tech/alternatives-to-lithium-ion-batteries-are-making-their-presence-known/
The Flow Battery Research Collective (FBRC) are building an open source battery. Technology writer Koen Vervloesem did a nice write-up about their #FOSDEM talk in the Energy devroom. FBRC works on redox flow batteries which are better suited for long-term, stationary storage and less hazardous than Li-ion batteries. FBRC plan to democratize flow battery technology by developing an open source flow battery, starting with a development kit.
@Lana Only problem with throwing something at someone, whether lethal or not & whether it hits them or not, is that that's legally considered an #assault & is subject to #CriminalProsecution. It becomes #battery if you actually hit the person with the object. So, be forewarned. Do so at your own risk. 
Want to learn how to build a powerful yet simple 5000W #Offgrid #solar #system? (It uses #powergrid as backup)
VideoVersion with very tiny batteries already Upgrades to 15kWh #LiFePo4 which lasts around 3 days
VERY IMPORTANT: work with cell vendor that accepts returns because #China likes to mix #gradeA and #gradeB and sell as #gradeA (#eve 280Ah)
Scotland now home to Europe's biggest battery as windy storage site fires up.
Located at a site named Blackhillock near the small town of Keith, the battery can deliver up to 200MW of electricity and can store as much as 400MWh. Charging current flows into the facility from offshore and onshore wind turbines.
The facility will expand to 300MW/600MWh by 2026, enough energy to supply two hours of electricity to 3.1 million homes.
Another reason to question natural gas power plant buildout
New energy storage technologies are pushing natural gas out of the power generation picture, Trump or no Trump.
A little #sideProject I play with is making little #battery "surrogates" or dummy batteries. They let you debug circuit power issues or design goals, or let you make a battery-powered device into a much longer-lived device by using a larger battery or power supply.
They've been very useful for me, so I share them a bit too.
I've just recently made a #CR1632 sized one which is quite a challenge to fabricate. It's very tiny with tinier routing channels.
*Another* Battery tech that looks promising .
| A revolutionary water-based,
| rechargeable battery technology,
| developed from the ground up with
| sustainability at its core. Built with
| renewable and non-toxic materials,
| it offers high performance with a
| *lower carbon footprint*.
| Flint Paper Battery reduces the
| green premium and is fully
| *compostable* at the end of its lifecycle
Mouse / Pointer capture is not cute though.
In observance of National Battery Day (which is apparently a thing?), here are 6 signs it might be time to replace your phone's battery:
Battery swelling
Unexpected shutdowns
It feels sluggish
You're charging it multiple times a day
It only works when plugged in
It feels hotter than normal
https://www.ifixit.com/News/11214/6-signs-replace-iphone-battery
__
#iFixit #NationalBatteryDay #Battery
E-bike battery believed to be behind fatal house fire at Guildford in Sydney's west
https://www.abc.net.au/news/2025-02-18/nsw-fatal-house-guildford-fire-ebike-battery/104948908
New LMFP EV battery formula: cheap as LFP with better performance.
https://cleantechnica.com/2025/02/08/new-lmfp-ev-battery-passes-critical-test/
Apparently, we're all charging our phones wrong. @Vox explains how we're ruining the battery life of our phones, why lithium-ion batteries are destined to degrade over time any way, and what we can do to slow the death of our devices.
Is there some way to get LIR1254 3.7v rechargable lithium battery cells in the UK that have leads pre-welded to them? Something like this: https://www.aliexpress.com/item/1005007739095909.html
I imagine I would struggle to solder direct to a battery (which RS do list without leads).
Or maybe some really cheap device I can scavenge one from, I suspect that could be the cheapest way to get one...
TIL about https://www.batteryholders.org/ — "the comprehensive battery holder and battery contact information center" — and it really does seem to be exactly that. Need dimensions for a weird battery, or details of how to mount it in your project. It's likely in there
♬ 
