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Rating: | (4.5 out of 5 stars) |
Reviews: | 84 Amazon Reviews |
Product Name: | NEXPOW G17 S40 Jump Starter, 4000A Peak Car Battery Jump Starter PD60W Quick Charge (All Gas Up to 10.0L Diesel Engine), 12V Portable Jumper Box, Auto Battery Booster Pack with LED Light and USB QC3.0 |
Manufacturer: | Guangdong Boltpower Energy Co.,Ltd |
Model Number: | G17 S40 |
Product SKU: | B0CMTMGCXQ |
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It also shows capacity as 88.8 Ah which is big stretch for something that weighs 1.5 lbs including plastic and internals besides cells, it seems nowadays they try to claim as high as possible rating since I don't think most will check anyways. It's fairly easy to determine true capacity by running it down with constant discharge and noting the time it took to die.
The above said, I think I'm going to cancel my order. $50 is a great price, but I'm starting to think it might be better spending $50 *towards* a better $60 - $70 unit. As somebody else said in an earlier post, who is actually verifying these Amperage claims? These generic Chinese brands have a habit of grossly overstating lumens on flashlights, for ex, so, I'm thinking this charger's 4000A claim is also probably vastly overstated from what I read. I even took a look at the NexPow 5000A charger... that thing should be amazing, right? Should start a Peterbilt... but, the reviews on the 5000A charger also had a bunch of people stating that it wouldn't start a bunch of different vehicles. The other thing I noticed, even though this is supposed to PD fast charge, there were a bunch of comments about slow charging and other comments about the battery losing charge too quickly. So, I just cancelled my order.
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Order Summary
Items:$99.99
Shipping & handling:$0.00
Your Coupon Savings:-$40.00
Promotion Applied:-$10.00
Total before tax:$49.99
Estimated tax to be collected:$3.75
Order total:$53.74
Try the black version, it still has the $40 coupon and a different 10% off code, see if it works for you.
EDIT: If you're not a Prime member, it may not work for you.
https://a.co/d/4Kgq0ew
You may need to "proceed to checkout" to see the final reduced price.
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It's mostly gimmick that they use to sell it, in reality you can calculate the actual by using capacity of the cells inside but essentially they refer to "instant" power you get from it to crank the starter. It should be somewhere close to what regular car battery puts out maybe slightly over 800 Amps. These lithiums are good because the charge stays in cells for a lot longer than on lead type battery so less worry that next time you need to jump start something it won't have enough "juice". If they catch on fire though, they're much nastier to deal with than lead ones as well
Times like those it's just nice to have peace of mind.
With that said, I have a Gooloo (thanks Project Farm) 4000A one that has worked perfectly for me on an older vehicle that doesn't get a ton of usage. It's got a V8 in it as well as a newish battery (maybe 1.5 years old?) but it just takes a TON of juice to get the thing started these days. Mix that in with short trips and the battery isn't always up to the task. The starter has saved us a few times because of that.
This one is definitely overkill for my other vehicle (4 cylinder) but for $53 and change all in, I doubt I could do better for a lesser one.
Times like those it's just nice to have peace of mind.
With that said, I have a Gooloo (thanks Project Farm) 4000A one that has worked perfectly for me on an older vehicle that doesn't get a ton of usage. It's got a V8 in it as well as a newish battery (maybe 1.5 years old?) but it just takes a TON of juice to get the thing started these days. Mix that in with short trips and the battery isn't always up to the task. The starter has saved us a few times because of that.
This one is definitely overkill for my other vehicle (4 cylinder) but for $53 and change all in, I doubt I could do better for a lesser one.
I bet you've never heard of power banks for phones and tablets either...
But is not clear what the high storage temperature is.
So yes, but if you want to truly be safe, maybe not in outside temps above 95°F (apparently the point where your inside temp could eventually reach 140°F.)
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But is not clear what the high storage temperature is.
So yes, but if you want to truly be safe, maybe not in outside temps above 95°F (apparently the point where your inside temp could eventually reach 140°F.)