expired Posted by Corwin | Staff • Nov 29, 2021
Nov 29, 2021 9:01 AM
Item 1 of 1
expired Posted by Corwin | Staff • Nov 29, 2021
Nov 29, 2021 9:01 AM
Noco Genius1 1-Amp Fully-Automatic Smart Charger
& Many More$19
$40
52% offAmazon
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Disagree. In general, Li-Ion have higher energy density, that's why they are used in higher power applications. Lead acid would only have a higher capacity if they are substantially larger (which is why most are substantially larger.) "lithium ion achieves an energy density of 125-600+ Wh/L versus 50-90 Wh/L for lead acid batteries." - https://www.cummins.com/news/2019...technolo
Disagree - Generally Li-Ion discharge 3-5% per month. Charging every 12 months or so is prob fine more than fine. (ideally not in the heat or cold) The manufacturer FAQ says 4-6 months - https://no.co/support/boost-faq​ [no.co]
Sure - but not practical to carry.. I think most people would leave them in the car regardless of battery composition.
Yes.. the downside of those is just size, but I agree it is nice to get the extra capability.
Maybe.. mine have been going longer and still good. The low self discharge rate of the Li-Ion batteries means even the first charge lasts a long and and they see very few charge cycles. I don't think most would consider 90% "dead", especially for Lithium-Ion. You could still jump most engines at 50% capacity... which I've done. In healthy batteries, a high output in AMPs (watts) can still be reached (e.g. to crank an engine) even when the power in VOLTS is moderate, which means it's still usable.
These should get charged very infrequently, so the life would be mainly affected by heat or cold, if people leave them in the vehicle.
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Also tried it in my new Ram 1500 with 5.7. Wouldn't start that. Can't return it and outside warranty. It's useless to me.
Also tried it in my new Ram 1500 with 5.7. Wouldn't start that. Can't return it and outside warranty. It's useless to me.
Don't believe all the review lists that had this as #1
https://www.youtube.com/watch?v=JN8A2nI
Autozone lists Noco Boost 1000 amp one for $140
https://www.autozone.com/test-scan-and-specialty-tools/jump-starter/p/noco-genius-1000-amp-lithium-j... [autozone.com]
Yet it's never available.
I really don't think something this small can be reliable.
Don't believe all the review lists that had this as #1
https://www.youtube.com/watch?v=JN8A2nI
Another Project Farm video also show GB70 is good for most cars but GB40 is probably only good for smaller compact size vehicle.
https://www.youtube.com/watch?v=ixWPx79
In short, buy the right amp jump starter based on your car/engine size. You don't want to buy something that doesn't work during emergency.
Reason being that these things have no clue if the battery goes bad and then will send full current through them. I found my GENIUS5 one day pumping full 5A current into the battery and it was hot and boiling. The charger itself was also quite hot. Now, I assume the battery just went bad on its own of no fault to the GENIUS5, but that it just couldn't tell when a battery is bad so it tries to charge it at full current. In that kind of failure mode, I'd feel a lot more comfortable if the charger could only push a max of 1A into the battery.
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https://www.newegg.com/p/0MD-04VT...lsrc=aw.
For your car, it doesn't matter as much because the 10 amp will charge it fast and then while driving, your alternator will begin charging the battery and evening out the charge it has, so it's back to it's max efficiency for the batteries age.
For boats however, your using deep cycle batteries and sometimes very expensive ones at that. An Optima can cost 200+ per battery. So I actually use a 4 amp on my boat batteries because I want them to charge slower but to maximum efficiency. This way when I'm on the water and using things like the trolling motor or depth finder, the batteries will last longer on a charge and have plenty of reserve power. This 5 amp is just as good, I only chose the 4 amp because I have a different brand and they didn't have it in a 5.
I would never charge my boat batteries with a 10 amp. That fast charging is not good on the life of that deep cycle battery and to me it doesn't seem to last as long as it does when I charge it slower. If you fished every single day like maybe a pro bass fisherman, then you'd probably have to go with a 10 amp because you don't have 20 hours to let your batteries charge. I go about once a week so I like to let them charge more slowly and I don't like how hot a battery gets when on a 10 amp.
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