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Votronic 3125 Pb 1250 SMT 3B 12 V 50 A acculader, geïntegreerde laadstroomverdeler voor lood- en lithiumbatterijen12V acculader voor lood en lithiumbatterijen Made in Germany Laadprogramma's nr. 1, 2, 4 en Li (gel, AGM, zuur, LiFePO4) instelbaar op batterijtype Laadspanning is vrij van pieken en zo geregeld dat overladen van de batterijen is uitgesloten Lithium LiFePO4 onderhoud, Auto Wake Up, onderhoudsfase: Regelmtig automatisch activeren van de accucelbalancering om de 10 dagen om continu de volledige lading van de batterij te garanderen Technische gegevens:
- 12V acculader voor lood- en lithiumbatterijen Made in Germany --- Laadprogramma's nr. 1, 2, 4 en Li (gel, AGM, zuur, LiFePO4) instelbaar op batterijtype --- Laadspanning is vrij van pieken en zo geregeld dat overladen van de batterijen is uitgesloten --- Lithium LiFePO4-onderhoud, Auto Wake Up, onderhoudsfase: Regelmätig automatisch activeren van de accucelbalancering om de 10 dagen om continu de volledige lading van de batterij te garanderen
- Technische gegevens: Laadvermogen V/A: 12/50--- aanbevolen Batterijcapaciteit: 88Ah – 550Ah --- Nevenladenuitgang "S" in A: 2 --- Laadkenmerken: IU1oU2 --- Installatiepositie: willekeurig --- Temperatuurbereik: -20 tot +45 graden --- Afmetingen: 305 x 160 x 72mm --- Gewicht: 2450g --- Inhoud: Lader, handleiding, netsnoer --- Nevenladenuitgang "S" voor ondersteunings- en onderhoudsladen van de startbatterij --- Ingebouwde laadstroomverdeler met 2 hoofdladenuitgangen, elk met max. Stroom- en prestatievermogen
- Aansluitmogelijkheid voor batterijtemperatuursensor (niet inbegrepen): Bij loodbatterijen (zuur, gel, AGM) wordt de laadsspanning aangepast aan de batterijtemperatuur, wat bij koude temperaturen zorgt voor een betere volledige lading van de zwakkere batterij, en bij zomerse temperaturen wordt onnodige batterijgasvorming voorkomen --- Bij LiFePO4-batterijen is de batterijtemperatuursensor vereist voor de functie: deze dient voor batterijbescherming bij hoge en met name bij lage temperaturen onder 0°C
- Regeneratie van loodbatterijen bij lange inactiviteit twee keer per week tegen schadelijke zuurlagen --- Parallel- en bufferbedrijf: Bij gelijktijdig verbruik wordt de batterij verder opgeladen of volledig vastgehouden --- Silent Run-functie: Op drukknop geoptimaliseerde werking voor geluidsreductie --- Netvoedingsfunctie: Maakt de voeding van de verbruikers zonder batterij mogelijk --- Meervoudige bescherming tegen overbelasting, oververhitting, overspanning, kortsluiting, omgekeerde polariteit, foutgedrag en terugontlading van de batterij
- Laadkabelcompensatie: spanningsverliezen op de laadkabels worden gecompenseerd --- Parallelle werking met zonne-installaties, wind- en benzinegeneratoren, dynamo's enz. op één batterij --- Laadhulp voor diep ontladen loodaccu's: voorzichtig voorladen van de loodaccu's tot 8 V, dan krachtige ondersteuning van de batterij bij eventueel nog ingeschakelde verbruikers --- Scheiding van de batterijen bij stroomuitval, oververhitting, verkeerd gedrag (veiligheidsschakelaar per laaduitgang)
Overzicht van de laadprogramma's
"Gel": Laadprogramma voor gel-batterijen, kenlijn IU1oU2oU3? Afgesteld op verzegeld, gasdicht gel-/dryfit-batterijen met vastgesteld elektrolyt, die over het algemeen een hoger laadsspanningsniveau en langere U1-houdtijden nodig hebben om korte laadtijden met bijzonder hoge capaciteitsopslag te bereiken en langdurig "uithongeren" van de batterij te voorkomen.
"AGM": laadprogramma voor AGM-/vliesbatterijen, karakteristiek IU1oU2oU3? Bestemd voor het opladen van afgesloten, gasdichte AGM (Absorbent-Glass-Mat)-batterijen in lood-vliestechnologie, die een bijzonder hoog U1-niveau met afgestemde houdtijden voor volledige lading en daarna een gematigd U2-niveau voor laadbehoud nodig hebben (plaat- en ronde celtechnologie). .
"Universeel": oplaadprogramma voor loodzuur-/natte/AGM-batterijen, karakteristiek IU1oU2oU3? Universeel programma voor het opladen en onderhouden van zuurbatterijen in voertuigen (gemengd mobiel/stationair). Biedt met een gemiddeld U1-niveau nog steeds korte laadtijden, een goede laadfactor en goede zuurvermenging bij open en gesloten, onderhoudsarme, onderhoudsvrije standaard-, aandrijf-, verlichtings-, zonne- en heavy-duty-batterijen, evenals AGM-batterijen met een normaal U1-niveau. .
"LiFePO4": laadprogramma voor lithiumbatterijen, kenlijn IU1oU2oU3? Laadprogramma afgestemd op lithium-LiFePO4-batterijen met eigen BMS en voorgeschreven of ingebouwde beveiligingsschakeling. Een speciale ruststandhouding houdt de LiFePO4-batterij bij een stilstaand voertuig (seizoensgebruik) automatisch op een voor de levensduur gunstige laadtoestand van 50-80% en buffert daarbij ook 12 V-verbruikers evenals de startbatterij van het voertuig. Bovendien activeert een regelmatige automatische wekfunctie het balanceren van de batterijcellen.
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4.3 ★★★★★
Based on 10 reviews
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Product Reviews
★★★★★ 5
I like it
Format: Paperback
In very good condition
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Reviewed in the United States on March 25, 2026
★★★★★ 5
Informative studies of how scientists are trying to address environmental issues today
Format: Paperback
In this book Kolbert travels to visit scientists attempting to address the environmental changes that humans are creating on the planet. The chapters focus on different issues, such as invasive species, and species loss, and includes field site visits, and also references for more reading. If you read this, and Sixth Extinction, and Field Notes From a Catastrophe, you will get a great oversight of some of the environmental issues that we face, although not any neat solutions. All the case studies build up into a wider understanding.
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Reviewed in the United States on December 23, 2023
★★★★★ 3
disappointing
Format: Hardcover
I was excited to read "Under a White Sky". Unfortunately, it seems that the author just sort of stopped writing when COVID hit. See page 197, where author laments the arrival of COVID. FOur pages later, book ends. The author even says on page 197:
"Here I was, trying to finish a book about the world spinning out of control, only to find the world spinning so far out of control that I couldn't finish the book".
Couldn't finish the book, but COULD publish it and sell it to people like me.
The early chapters are interesting, each one covering a different topic related to man messing with nature. Good stuff. But I expect some analysis, some conclusion, something to sum it all up. It just isn't there.
Topic and early chapters showed great promise. But the ending is truly lacking. And as the author alludes, unfinished.
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Reviewed in the United States on March 7, 2021
★★★★★ 4
As A Dominant Species, We Dance On The Razor’s Edge
Format: Hardcover
Under A White Sky
Elizabeth Kolbert’s claim to fame is her book The Sixth Extinction. In comparison Kolbert’s under A White Sky is rather short and disorganized, yet her coverage of those working on solutions to Climate Change is pretty darn interesting. In her conclusion, she writes, “This has been a book about people trying to solve problems created by people trying to solve problems.” Putting this sentence at the book’s beginning rather than buried at its end would have provided a reader a compass to help determine where Kolbert was going with her dialogue.
As she wades through the reversed direction of the Chicago river; Asian carp; Cane toads; forced and accelerated evolution in regard to coral, in particular in regard to the Great Barrier Reef (without discussing the importance of the worlds reefs; the continual flooding of New Orleans both despite and because of the actions of The Army Corps of engineers, one begins to ponder a general connection that might exist, while the book itself is headed toward a two star rating.
Then, Kolbert got to Global Warming and Climate science. The book’s last sixty pages are worth the complete price of admission. The chapter begins with carbon sequestration, the pros and cons of how it can be done, and does it also contribute to the growing problem. The stoppered bathtub” analogy is perhaps the best analogy I’ve heard in regard to the anthropocentric carbon dioxide problem on the Earth. The tub is full of water/ the sky’s CO2 level; the tubs stoppered, so the water isn’t going anywhere, and the atmosphere’s increased CO2 level won’t drop in the near future either; and even if the water flow to the tub is reduced, it will still accumulate until over flowing, as will reduced emissions continue to amass in the atmosphere. In a sense, we are already beyond the tipping point in terms of global temperature increase.
Harvard University Center for the Environment director Dan Schrag says, “I’m a scientist. My job is not to tell people the good news. My job is to describe the world as accurately as possible.” He predicts, due to the fact that the oceans must equilibriate. “If we were to stop CO2 emissions tomorrow, which of course isn’t possible, it’s still going to warm for centuries. That’s just basic physics.” Thus enters the topic of geoengineering, and the connection with people trying to solve problems created by people trying to solve problems truly comes into focus. Kolbert , in a rather clandestine way connects the dots of her past “local problems”, but now the problem fix, if it doesn’t work could create problems beyond solving.
She hits the nail on the head with this. Humans have been around 35-50 thousand years, but only the last ten thousand or so have they thrived, largely due to agriculture and differentiation of what one can do because of agriculture. But ag has only been able to thrive because of the rather consistent global weather of the past ten thousand years, due to glacial retreat. This has been presented in great detail by Jared Diamond in his book Guns, Germs, and Steel. The CO2 we’ve put into the atmosphere isn’t going anywhere, as we continue to pour more into the mix. Her interviews with climate scientists do not bode well for our species, as everything they think of to combat the CO2 conundrum brings more as the bathtub continues to fill. One could say humans have become victims of their own success as a species.
Ultimately, one gets the feeling from Kolbert and her interviews, that the enormous fluctuations in the Earth’s climate over geological time, and those yet to come, render whatever we do as humans as a moot point. The Earth will shake is off as a dog rids itself of fleas. She also brings to the argument, when the blank really hits the fan, as it will despite, or because of any preventative efforts by man, the resulting population displacements will be staggering.
A sobering, informative book as we, as a species, dance on the razor’s edge.
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Reviewed in the United States on September 24, 2021
★★★★★ 5
fascinating and compellingly written
Format: Hardcover
Elizabeth Kolbert is one of my favorite nonfiction authors. She has such a knack for writing in a clear, compelling way that makes you think and marvel and ask questions you've never considered before. In her previous book, The Sixth Extinction, she catalogs all the ways in which humans have drastically changed the natural world, ushering the new age of the Anthropocene. Under a White Sky is an exploration of the ways scientists around the world are trying to undo those changes. There are people engineering unique solutions to combat a variety of environmental threats: invasive carp in the Chicago River and cane toads in Australia, Louisiana's rapidly disappearing Mississippi River delta, rare species that now depend entirely on human conservation for their continued survival, and, perhaps most pressingly, the problem of rising carbon emissions and global climate change.
That there are brilliant minds working innovatively to solve these problems inspires optimism. But these sobering portraits really highlight the extreme human measures it takes to keep at bay the problems caused by humans interfering with nature in the first place. We've already transformed the planet; how much more will it be transformed by these interventions, and in what ways?
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Reviewed in the United States on March 11, 2021