4000A Car Jump Starter, 12V Battery Jumper Starter Portable Jump Box(10.0L Gas/8.0L Diesel), Jump Start Battery Pack with 3 Modes Flashlight, Power Bank with USB Quick Charge & Type C Port

I already used it about 10 times! I live near Milwaukee so January and February can be brutal on car batteries (especially Walmart batteries)! I have multiple vehicles so sometimes my cars sit for over 5 days. Ok I was skeptical on buying this because the price was less than half of the popular ones. But I read a few reviews and took a chance. When battery was dead I hooked it up and instant ⚡️POWER ⚡️! Even when my dad's Lexus wouldn't start with traditional jump box, this thing did the job. (His car has electrical issues.) It's easy to charge, just use basic USB-C cable. I recommend using ur own USB cable because the included one is not Great. Even after several jumps the charge is almost full. I used to charge it after each use. Now I'm waiting to see how long it takes to drain the charge. You don't need the expensive units. This will do everything u need it to do. The carry case is great.

The Giatero 001 4000A Car Jump Starter is a powerful, reliable, and versatile tool perfect for emergencies. With a peak current of 4000A, it easily jump-starts a range of vehicles, from sedans to trucks. Its robust battery allows for multiple uses before recharging, while additional features like a built-in flashlight, USB charging ports, and advanced safety protections make it incredibly functional. The compact design ensures portability, and the clear instructions make it user-friendly. Though slightly bulkier than smaller models, its power and durability more than compensate. A must-have for anyone seeking peace of mind on the road!

Used it several times. It keeps on working Good!

So it works great but I don't like how it blinks red and green as soon as I hook the cables into the box. Like why does it do that?? One time it took 3 to 4 cranks on a 06 Titan with a 3 year old battery in it and the battery in the jumper was dead and needed to be charged again, but while being stowed away it holds it's charge...I definitely believe it has 4000 amps but don't expect a bunch of tries out of it. Usually that means your battery needs replacement anyways and when you hook the cables to it get ready for a Christmas light show lol...oh and the built in light on it sucks and should be on the other side of the box. It points away from the battery....why?? Overall it does the job, big or small and the case is very nice and durable

have used it a couple times and so far so good. havent done a massive v8 or anything just v6 and 4cyl engines. but jumped a basically fully dead battery with ease. i also take this with me camping and 4wheeling incase a phone needs power or another person needs a jump

this thing has saved me several times in COLD COLD COLD weather - I keep it charged and in my car during the winter - follow instructions on how to use, just a little technical, but easy to use when you get familiar with it

Claims to have a 24 month warranty but no way to contact seller to make a claim. Unit will not charge after 3 uses.

I just used this on a smaller truck size. This kid was stranded on the side of my home, and I remembered I wanted to try it out at some point. Worked like a charm. I got it for my daughter back in November of 2024 for when she leaves for college. We charged it once and the battery lasted until now. No issues. It was easy to use and set up. And the carrier case makes it simple to store, and keep clean and organized.