AstroAI S8 Mini Car Battery Jump Starter, 12V Portable Car Starter for Up to 6.0L Gas/3.0L Diesel Engine, Auto Battery Booster Pack, Lithium Jump Box with Jumper Cables & LED Light (Orange)

This is a very light, very compact little car jump starter. I first came across something like this when I was stranded in the Meadowlands Stadium parking lot freezing my rear end off long after everyone else had managed to leave because my car wouldn't start. A friend came with a set of jumper cables but they didn't work. I thought, oh great. Now I have to wait for AAA. Then a parking lot attendant came by on his utility cart and had a similar item. The problem with the standard cables was that the clips and handles were so big and the battery on that car was so awkwardly placed that we couldn't get a decent purchase on the terminals. He attached one of these with their much smaller but completely adequate clips and it started right up. The only downside to this kind of unit is that if you put it in your car and just forget about it, I'm sure that eventually (and I don't know how long that would be, and it would likely be different at different temperatures) it won't retain a sufficient charge to work. But provided you keep topping it off periodically it should be great. It came with 75% charge already, so I can't speak to how quickly it will re-charge when depleted. The included instruction manual is clear, concise and well written - except it says that you "should not store or use this product in high-temperature environments", but then doesn't state a temperature range. Admittedly, in the northern states you are most likely to need this in cold weather. But I live in FL now, so keeping this handy in my car here - especially in the summer - would probably be a bad idea. Elsewhere in the manual it states that the "operation" temperature is -4 - 122 degrees F. I'm not sure if that is also the safe storage temperature. While the days here are not beyond that range outside of your car, inside your parked car in the sun it's a different story so I'll have to be careful about it. One other caution. The cable you use to charge this device has two ends: USB A and USB C. If you look at the photo I included of the ports on the unit, you will see that the USB C is an input, and the USB A is an output. So when you plug it into you house current, the USB A goes to that, and the USB C goes into the unit. Maybe it's just me, but I know a couple of people who would spend a lot of time wondering why this thing didn't work because they had done the opposite. The USB A output can be used to charge other devices, so this can also be used in your home in the event of a power failure. Two other handy features are the carry bag and the flashlight function. Up north, I'd carry this thing around from September through April, no problem. Great to be able to help yourself or someone else who needs a jumpstart. Since I haven't (thankfully) had occasion to use this yet on one of my cars, I will update this review in the event that there are any issues.

I recently received the AstroAI S8 Mini Portable Car Battery Jump Starter, and I’m convinced it’s a must-have for any family or vehicle! This compact, powerful device offers peace of mind with its reliable performance and is small and easy to store, making it an essential addition to our car emergency kit. Here’s why I’m so impressed with this jump starter!The functionality is outstanding. With a genuine 1200A peak current, this jump starter can revive 6.0L gas and 3.0L diesel engines, covering most family vehicles like cars, SUVs, and pickups, as noted for similar AstroAI models. I haven’t needed it yet, but the smart battery clamps with eight safety protections—reverse polarity, overcurrent, and short circuit, among others—give me confidence it’ll work safely when the time comes, aligning with reviews praising its “comprehensive safety”. The included LED flashlight with three modes (steady, strobe, SOS) is a handy bonus for nighttime emergencies, and the USB port lets me charge my phone, making it a versatile tool, as customers highlight its “5-in-1 multifunction” capabilities.The peace of mind this jump starter provides is invaluable. Knowing I have a reliable solution for a dead battery—whether I’m stranded on a road trip or rushing to school drop-off—makes every drive less stressful. It’s especially reassuring for our family, as it eliminates the need to wait for roadside assistance or rely on another vehicle, a sentiment echoed by a reviewer who valued saving time with a similar AstroAI model: “I have roadside assistance, but it’s usually at least an hour’s wait”. The compact size means I can keep it in the car without worrying about it discharging, though the manual suggests recharging every three months.The size and storage are perfect for convenience. At roughly 7.9 x 4.5 x 3.7 inches and weighing just 0.95 lbs, this jump starter is incredibly small and easy to store, fitting neatly in our glovebox or the included storage bag, which also holds the smart clamps and USB-C charging cable. Compared to bulky lead-acid jump starters, it’s a game-changer for keeping our trunk clutter-free, as noted by users who love its “compact size” that “fits in a glovebox or door pocket”. The drawstring bag keeps everything organized, ensuring I can grab it quickly when needed, unlike some sets with less practical pouches.The quality feels solid for the price. The metal clamps are sturdy and designed to prevent overheating or loose connections, a step up from cheaper models, as highlighted by AstroAI’s “quality metal clamps for improved protection”. The device itself has a rugged, durable build that feels dependable, and the battery holds a charge well, with one user noting it “holds a charge for a long time”. For a budget-friendly jump starter, it offers features comparable to pricier brands, providing excellent value, as a reviewer called it “excellent value for money compared to jumpstarters 2 or 3 times the price”.My only wish is for slightly longer jumper cables, a minor critique mentioned by some users, but resting it on the engine cover works fine. Setup is intuitive—red to positive, black to negative, press the boost button if needed, and start the car—making it user-friendly for anyone, even non-mechanics, as a “60-year-old, non-mechanically-inclined” user found it “easy to use”.Overall, the AstroAI S8 Mini Portable Car Battery Jump Starter is a must-have for any family or vehicle! It delivers peace of mind, is small and easy to store, and packs reliable power in a compact package. I’m giving it 5 out of 5 stars for its practicality, affordability, and family-friendly design. I highly recommend it to anyone looking to stay prepared on the road—perfect for parents, commuters, or road trippers!