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RAVPower Car Jump Starter / USB Power Bank (10000mAh/400A Peak) EXPIRED

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Sunvalley Brands via Amazon has RAVPower Car Jump Starter / USB Power Bank (10000mAh/400A Peak) for $49.99 - $20 w/ promotion code 9BHR4JD5 = $29.99. Shipping is free. Thanks DJ3xclusive
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Editor's Notes & Price Research

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Edited May 30, 2018 at 10:52 AM by
Sunvalley Brands via amazon.com [amazon.com]

$49.99 - $20 off w/ promotional code 9BHR4JD5
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400A is weak. Ideally 800 A, minimum 600 A. This is for a barely dead battery
15 Helpful?
This. Unless you're getting it for something with a really small battery like a motorcycle, I would look for a deal on something bigger. You don't really want to get something meeting minimum specs for your vehicle, especially considering things like:

batteries lose charge over time
even if you're good at keeping it charged, battery capacity diminishes over time
you may need to perform multiple jumps


For comparison, I got a deal on an Aukey 600A jump starter for $40. That price might be hard to find on a good brand, but I've seen many for $50-60.
10 Helpful?
I am presently testing a couple of jump starters power banks. one is described as 82,800mAh capacity and the other is 20,800mAh capacity.

through a 12v DC to 120v 60Hz AC inverter I powered a 29 watts light.
respecting there is inefficiency with the inverter in the middle,

the 82.8Ah powered for 1.33 hrs. x 29w /12v = 3.21Ah

the 20.8Ah powered for 2.16 hrs. x 29w /12v = 5.22Ah

I will test further using lower current output and observe capacity!
My point here is I wonder how accurate 10.8Ah description is.
these power banks usually have 3x Lithium polymer flat cells. 3.7v each cell.
is 3.6Ah for a cell correct?
7 Helpful?

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#3
Price is about right thx Op
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#4
Thank you! Gave my gooloo to my parents. This is perfect for me.
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#5
https://www.fakespot.com/product/...2-0-output

Fakespot gives it a C, anyone have any experience with this one?
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#6
Good father's day gift, thanks.
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Our community has rated this post as helpful. If you agree, why not rep tickss?
#7
400A is weak. Ideally 800 A, minimum 600 A. This is for a barely dead battery
Reply Helpful Comment? 17 2
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#8
I am presently testing a couple of jump starters power banks. one is described as 82,800mAh capacity and the other is 20,800mAh capacity.

through a 12v DC to 120v 60Hz AC inverter I powered a 29 watts light.
respecting there is inefficiency with the inverter in the middle,

the 82.8Ah powered for 1.33 hrs. x 29w /12v = 3.21Ah

the 20.8Ah powered for 2.16 hrs. x 29w /12v = 5.22Ah

I will test further using lower current output and observe capacity!
My point here is I wonder how accurate 10.8Ah description is.
these power banks usually have 3x Lithium polymer flat cells. 3.7v each cell.
is 3.6Ah for a cell correct?

Reply Helpful Comment? 8 1
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#9
Quote from tickss
:
400A is weak. Ideally 800 A, minimum 600 A. This is for a barely dead battery
For cars with 4 cylinder engines this is sufficient for the average user
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#10
Tagging this for opinions. I have been looking for one of these and this certainly has the right price
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#11
Quote from tickss
:
400A is weak. Ideally 800 A, minimum 600 A. This is for a barely dead battery
This. Unless you're getting it for something with a really small battery like a motorcycle, I would look for a deal on something bigger. You don't really want to get something meeting minimum specs for your vehicle, especially considering things like:
  • batteries lose charge over time
  • even if you're good at keeping it charged, battery capacity diminishes over time
  • you may need to perform multiple jumps

For comparison, I got a deal on an Aukey 600A jump starter for $40. That price might be hard to find on a good brand, but I've seen many for $50-60.
Reply Helpful Comment? 11 1
Last edited by daiei27 May 30, 2018 at 11:40 AM.
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#12
Perfect timing. Battery got close to dying recently and I'm taking more short trips.
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#13
This saved my ass on a couple occasions, I carried it in my motorcycle seat.
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#14
I've used a 500A RAVPower USB jump starter for a few ATVs, tractors, mowers and even a v6 SUV no problem. It caught on fire the last time I used it but no biggie, right?
Reply Helpful Comment? 3 2
Last edited by Fletch113 May 30, 2018 at 12:42 PM. Reason: typo
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#15
Quote from masterazn4
:
For cars with 4 cylinder engines this is sufficient for the average user
I disagree, this would be most useful for ATV, and powersports, less so for cars.

Most small car engines have batteries with 500 CCA or less to begin with. When they go dead, they go dead fast because of their smaller starting capacity.

If your car is dead enough that the lights have noticably dimmed (wchich for most people would probably be the only indication of a voltage drop they get), then a jumper battery like this when completely full will have enough juice for basically one start "attempt" and if it doesn't succeed in starting, its own capacity will have been exhausted immediately.

That said, its not a bad price if you do have a motorcycle, atv, boat, etc.
Reply Helpful Comment? 2 0
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