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Anker Roav Jump Starter Pro 1000A, 12800mAh for $75.99

$75.99
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AnkerDirect [amazon.com] has Anker Roav Jump Starter Pro 1000A, 12800mAh for $75.99 w/code ROAV33RR + $20 off coupon clip

Anker Roav Jump Starter Pro 1000A, 12800mAh​
Powerful and Portable:
Jumpstart your vehicle up to 20 times on a single charge. Compatible with gas engines up to 6. 0L and diesel engines up to 4. 0L.
Superior Safety: Premium copper clamps and advanced safety features work together to keep you safe while jump-starting your vehicle.
Emergency Charging: A 12800mAh battery combined with Anker's fast charging technology delivers an emergency boost of power for phones, tablets, and more.
S. O. S Lighting: Attract attention or illuminate your engine bay when jump-starting at night with the integrated LED flashlight.
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#2
$85 the last time a staffer posted it a couple months ago, so it's dropping in price.
https://slickdeals.net/share/iphone_app/t/13192861

This is a heavier duty version for their jumper that most people probably don't need, YMMV. Cheaper models are available.
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#3
I got one of the original yellow Anker ones and it's saved me a bunch when my car battery was dying but I didn't get a chance to replace it yet. Jumping without needing another car really helps with staying independent or when you can't wait for help. I've also helped jump another car in my building so it's good to have to help others. The only reason I was disappointed with my Anker was the plastic piece that covers the electronics near the red/black leads broke on the first use but that first use was over a year after I bought it so I couldn't return it exchange it. So the electronics are exposed and with the high current, I'm always worried it'll spark or zap me.
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#4
How's this vs noco?
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#5
I don't think these lithium battery based jumpers are as robust and reliable as conventional lead acid battery based ones. Yes, these are more compact and portable. But the high current when jump starting car engine with a depleted car battery can generate a lot of heat and can melt the solder joints and plastic package holding the diodes circuit (to prevent back flow current from car alternator). I'v seen black smokes come out of them and swollen battery packs.
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Last edited by qrc2012 September 19, 2019 at 06:53 PM.
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#6
3 Amazon reviews? That's shockingly low. I am going to hold off a bit. Thanks for posting.
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#7
Quote from qrc2012
:
I don't think these lithium battery based jumpers are as robust and reliable as conventional lead acid battery based ones. Yes, these are more compact and portable. But the high current when jump starting car engine with a depleted car battery can generate a lot of heat and can melt the solder joints and plastic package holding the diodes circuit (to prevent back flow current from car alternator). I'v seen black smokes come out of them and swollen battery packs.
These aren't designed to charge a car battery for more than 60 seconds. It's to "wake" the battery up a little and then start the engine with its help. It's supposed to have a temperature sensor designed to shut it off when it gets too hot, but they're bound to have a few defective products.

The most important difference between lithium and lead acid is that these can sit for a lot longer without any use or charging.
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#8
Quote from Nintendo1474
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These aren't designed to charge a car battery for more than 60 seconds. It's to "wake" the battery up a little and then start the engine with its help. It's supposed to have a temperature sensor designed to shut it off when it gets too hot, but they're bound to have a few defective products.

The most important difference between lithium and lead acid is that these can sit for a lot longer without any use or charging.
Are you saying the name of the item misleading? :=)
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#9
Quote from qrc2012
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Are you saying the name of the item misleading? :=)
This is a jump starter, not a battery charger. It's designed to do exactly what it says it does. If it's used incorrectly, that's not their fault.
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09-19-2019 at 08:43 PM
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Quote from qrc2012
:
I don't think these lithium battery based jumpers are as robust and reliable as conventional lead acid battery based ones. Yes, these are more compact and portable. But the high current when jump starting car engine with a depleted car battery can generate a lot of heat and can melt the solder joints and plastic package holding the diodes circuit (to prevent back flow current from car alternator). I'v seen black smokes come out of them and swollen battery packs.
I have a gooloo one that I've used several times, starts a very dead 5.4L Triton V8 and uses only 2% of its available capacity. Never seen any sign of heat let alone smoke, so I'm not sure what you're smoking.... 😉
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#12
Also even without the low battery as a load, the jump start current is very high. A lot of these lithium battery ones simply cannot stand the heat generated from the high current. Actually many reputable manufacturers have stopped making them due to liability issues.
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Quote from sarcasmogratis
:
$85 the last time a staffer posted it a couple months ago, so it's dropping in price.
https://slickdeals.net/share/iphone_app/t/13192861

This is a heavier duty version for their jumper that most people probably don't need, YMMV. Cheaper models are available.
Amazing how many staff posted deals find their way into "Popular" despite initial slow/lacking TUs.

Unmask voting mods. We need to be able to see who is boosting deals to gauge authenticity
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#14
Quote from qrc2012
:
Also even without the low battery as a load, the jump start current is very high. A lot of these lithium battery ones simply cannot stand the heat generated from the high current. Actually many reputable manufacturers have stopped making them due to liability issues.
There are different formulations for Li batteries, some allow for high draw currents and some don't. Like Ryobi's are built for high draw, like I've gone from 100% charge to 0 in almost no time using a blower or their chainsaw. Same with Li lawn mowers. Also I've never noticed any of my batteries getting hot while discharging, only charging.

One time I tried using one of the smaller ones to try to jump start a DEAD 8 cyl chevy suburban ... it drained it in literally 2 seconds and didn't do any harm to the battery.
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Last edited by kschlege September 19, 2019 at 09:32 PM.
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#15
Quote from qrc2012
:
I don't think these lithium battery based jumpers are as robust and reliable as conventional lead acid battery based ones. Yes, these are more compact and portable. But the high current when jump starting car engine with a depleted car battery can generate a lot of heat and can melt the solder joints and plastic package holding the diodes circuit (to prevent back flow current from car alternator). I'v seen black smokes come out of them and swollen battery packs.
Not sure I agree, these are designed to deliver the required cranking amps needed. Power electronics has seen a lot of advancement in the past 20 years, and amperage that can be reached with semiconductors can be in the order of 3000A continuos-for some switching devices,
so a short duration crank for a couple of seconds is easily doable. To your other point, not sure what loading you are talking about with the dead battery, I'll assume that the internal resistance should be high enough that the load of the dead battery is negligible, infact i suspect it'll be more of a contributor than a hindrance in the starting. Btw, I should know, since I'm a EE P.E. in power
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