How to use the AstroAI S8 Jump Starter

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HIGH-PERFORMANCE JUMP STARTING - This jump starter's powerful 1500 A peak current quickly starts low-voltage and fully-drained batteries. This jump starter has a 45 C high-rate lithium battery that can start 6.0 L gas/3.0 L diesel engines and other 12 V vehicles like motorcycles, cars, SUVs, pickups, or lawnmowers.

ULTRA POWERFUL BOOST - The smart boost mode automatically detects the battery's voltage. When the voltage is less than 9 V, the indicator flashes green; this unlocks the "BOOST" button, which can be pressed to start fully-drained batteries.

ORIGINAL CHARGER FOR IMPROVED PROTECTION - The included original 10 W wall charger better protects the S8 Car Battery Jump Starter from excessive heat damage, loose ports, battery bulging, battery expansion, and more.

COMPREHENSIVE SAFETY - This portable lithium car jump starter has 8 integrated protections including reverse polarity, reverse connection, overcurrent, overvoltage, overload, overcharge, over discharge, and short circuit protection. Ensure your trip is safe and smooth.

PORTABLE & COMPACT - With an overall size of 7.9*4.5*3.7" and a item weight of 0.95 lbs, it is very easy to store in a car or a travel bag. Compared with bulky lead-acid jump starters, this compact jump starter brings more convenience and peace of mind to your trip.

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[carinyo]

I bought this today from Amazon. Amazing... Started in one shot. Need to understand what's the difference between Boost and Normal mode... Because I tried pressing boost before starting the engine.

Also what is the order I should remove this? Black first and then Red?
Please suggest...

[galbro]

most cars have their battery in the wheel well how about that? secondly how do u take the cables off? first pos then negative or neg then pos? dont say in the manual?

[BigdaddyTrizzy]

What if the color switches to red after you press boost? What does that mean

[hugomartinezf]

Can I charge the car battery with that or it is just a jump starter?

[Austintyler]

Do I press boost for the whole time it’s starting?

[dahur]

What is the capacity of the battery..? I've seen the kwh capacity on others but haven't seen it on this one.

[ChloeH]

my connector thing doesn’t have buttons on it. so there’s no regular or boost difference. and this didn’t work for me

[VINTAGE]

So what if the screen only says 100% and the only other screen display is when I push 'Boost' and it prompts 'E1' and a red image of the car hood being open???

[jerrymcg]

lol - there is plenty of juice in the battery at the start - a jump starter would not make any difference in this case.