In Batteries We Trust 🤘
The decline in #lithium-ion #battery cells prices has been incredible. It’s like nothing anyone has ever seen before.
https://ourworldindata.org/grapher/price-of-lithium-ion-battery-cells
@exador23
There is a strange contradiction about the best way to use Li cells.
Rule 1 keep cells balanced
Rule 2 prefer to keep voltage range of cells within 20 to 80% to extend lifespan.
Unfortunately most balancers work at max voltage, which you try to avoid. Therefore I advise and started using active balancing circuits that pump power from the higher cell to their lower neighbour. They work at every voltage.
The (cheap) circuits you buy, for example on ebay, are 1 Amp max. Although that is not much it gets the work done over time with cells that are not too different.
Cells that got bad will lose capacity, they are full earlier on in the charging process and race up when current isn't taken back because total voltage/avg cell voltage hasn't reached max. Maybe that's the problem you face...
These new lithium rechargeables are really good!
110%!
o.O
But seriously my Zigbee sensors HATE my Eneloop good 1.2V NiMh rechargeables - sometimes refusing to work with some of them at all.
It seems the cheaper Zigbee sensors need 1.5V, and I refuse to buy disposable alkalines cos planet.
So now with the Lithium Rechargeable AAAs they are reporting 100% bar this weirdo.
I bought Pujimax 12 in the little charging case...not sponsored or anything, they seem to work fine unless this sensor is showing anything strange. I suspect it's the sensor's own battery circuit misreporting.
France 24 - International breaking news, top stories and headlines | The fight for mineral data in DRC: Belgian museum, US mining firm at odds over archive maps by FRANCE24
Just a few kilometers from Brussels, the cellars of the Royal Museum for Central Africa hold one of the world’s most valuable mining archives. Colonial-era maps and surveys had previously detailed minerals like cobalt, lithium, coltan, and tungsten, essential for the digital and energy transition. Now, a battle over digitization is unfolding, with these documents literally worth their weight in gold. KoBold Metals, backed by Bill Gates and Jeff Bezos, is looking to AI in order to locate new deposits faster.
L'ICAO Renforce les Restrictions sur les Chargeurs Portables en Vol
UMWELT JOURNAL
Ivo 🇪🇺
Merlin Makes
DaLetra Deutsch
Tim
TheBadPlace
Informationsstelle Peru e.V.
hbrpgm