FLYLINKTECHCar Jump Starter 2500A 12V Smart Auto Battery Booster Pack(for uo to 8.0L Gas & 6.5L Diesel), Portable Power Bank, 19.6'' Safe Jumper Cable, LED Flashlight, EC5 Car Cigarette Lighter

I own a super capacitor jump starter so I got this device because I got really curious about its 12V output. Other companies like GOOLOO stopped including the 12V dongle with their jump starter and charge $10 for it so factor this in.I have a 2019 Prius and notice the CyberTech inverter I use fits too tightly (I feel like it will pull the entire socket out it’s so bad!). So this is a problem in my book. I also have a 12V car vacuum & been advised not to use the car's 12V output for higher wattage devices because it risks damaging the internal wiring if it heats up.So I pretty much got this jump starter as a 12V power bank as an insurance policy to avoid unnecessary wear/tear and costly repairs to my 12V system - this will help my car last 10+ years without having to worry about the 12V port (which seems rather fragile). This is probably not what you intend to use this jump starter for but this is why I got it and it works great for what I need it for.I ran the car vacuum for about 10 min to clean my car and it worked without any issues. The battery nor the wires didn’t get hot.UPDATE(10/19/23): I just got a 12V air compressor (see third photo) and it worked like a charm! I didn’t have to reroute the 12V cord to each of my 4 tires, I just carried both devices to each tire. it was a quick top off (+3-4 psi) so the compressor ran for 1-2 min each and the jumpstarter still has 4 blue dots (I haven’t charged the jumpstarter for two months too!)I decided to test the claims the power bank is 13500 mAh and while I'm not surprised, it did underperform. I charged the device fully (takes about 4.5h) and was able to charge my Pixel 6a 1.2 times. My Pixel has a 4410 mAh Li-Po battery and I was able to charge my Pixel 3980 mAh getting it down to 2 dots (on the gauge) and then an additional 1086 mAh until it auto shut off while the last dot was blinking for a total of 5066 mAh. I used an app called AccuBattery to get these numbers.For those who are not aware, there is no standard for reporting mAh. So this is 5066 mAh delivered at 5V. The Li-Ion battery inside the jump starter likely has 3.7V cells so this means 6846 mAh @ 3.7V (5066mAh*5V/3.7V) Then you need to account for inefficiencies from power conversion - let's say it's on the low end of the scale we have 25% power loss - this translates to 9128 mAh (6846mAh/75%). So based on informal methods, we have 69% of the capacity claimed on back of unit (9128 mAh of 13200 mAh)Because the primary use case of this device is a jumpstarter (not a power bank let alone a 12V power source), I’m going to give this device the benefit of the doubt until I have to use it to jumpstart my car and update review. I’m pretty confident it will work because a Prius doesn’t require any cranking amps - the 12V battery exists to power the main computer for a few seconds to complete diagnostics and safety checks before it closes the relay for the high voltage traction battery - it is the traction battery that takes over and is responsible for starting the engine (sometimes a hundred times in one trip!). So if this thing can power a vacuum for 10 minutes, I can’t see how it could fail (time will tell!). My super capacitor jumpstarter is my backup (knock on wood)UPDATE(2/23/24): our Lexus RX350 needed a jumpstart & I'm sad to report that it used all the juice in the jumpstarter & didn't start. To make sure it wasn't the car, I used the super capacitor jumpstarter I mentioned above & it started the second time after I learned how to use it. I feel I do need to give this jumpstarter the benefit of the doubt as I'm not sure if I was supposed to press the button on the alligator cables so it's possible human error. I'll give it a go again the next time it happens (and again, Im quite sure my Prius doesn't demand any "cranking amps" as it is likely the first to have its battery die now that the RX350 has a brand new battery!). Will report back :)Using this product as an external 12V source works great (just don't expect it to power a hairdryer through an inverter lol :) It's just OK as a power bank to charge your device in a pinch (I definitely would have a device better suited for the job like a Nitecore NB10000)The LED works fine (and discovered even after depleting the power bank, there is some charge left over to power the light in an emergency)as others have mentioned, I do wish when they went to update it, they changed it from micro-USB to USB-C - all my electronics and cables in the car are USB-C so this would be very convenient. They include a micro USB charging cable, just make sure you keep it with the unit! (there is no included case btw)

The Flylinktech products are consistently good value. The customer support is also very helpful. This item is a back up power source that can be left in your vehicle during the winter. It came in well packaged and is lightweight.You can see while charging the progress of the battery level. It is has the most professional IP67 waterproof design. Most car jump starter batteries on the market are not waterproof to this extent, if at all. It can work well in extreme weather conditions.The battery pack has a USB-A slot and a USB-C slot which can be used to charge the jump starter or to charge any of your other devices such as your smartphone. The USB-C slot chargest the fastest out of all of the ports.The items contained the package are smart clamps to jump start your vehicle battery, a car cigarette lighter, a micro USB cable, and the user manual.

I have a failing battery, and needed a solution for my minivan that didn't involve another car and jumpers. I've now jumped my car about 5 times with this tiny little package. It's very easy to use, and seems foolproof. You just plug the wires in and connect the battery. I think it doesn't even turn on voltage until it connects and does some testing as the car lights seem to get bright a second after connecting. So it seems very safe. It came fully charged and is still full bars after 5 starts. Seems amazing something so small could start the car. The size and cost makes me want to just keep one in each car. Note: hold down the power button for 3s to turn on the light.

Yes it can jump your car, it works well with my v6 3.7L Acura MDX.BEWARE!!!The real capacity is 4530mAh, which is 3 times less than declared!!!

I've only had them 6 months but have used them several times. Holds a charge even after several uses. It's a must have.

My car battery was completely dead. My charger would not charge because it will not work on a dead battery. I bought this unit because it has a "force start" capacity which I thought that I might need since it was dead. I hooked up the Flylink jump starter and it started my auto on the first try without even having to use the force start. I am amazed. Very simple to use and it has the capacity to charge cell phones, etc. which could prove handy during our hurricane season. The price was very reasonable and it came fully charged and ready to use. I highly recommend this product!

This unit is great , it is rated conservative , best example , I left lights on all night battles very dead and I had used the jumper once already and used it to charge flashlight and as a flashlight before this dead battery , I was concerned it would do anything but even though the manual doesn't sayanygjing about the force start button on the pigtail large gauge metal clamp and controller where the force start button is. So clamp the red and black wires correctly then wait 3 seconds then push the button it then gives you 30 secconds to start the car and with my battery as dead as can be , the car . A high compression 6 cyl 3.2 LTR , it cranked like it had a new battery then started right up and sounded neormal after that , I've used it on about 6 to 8 different occasions , yes I have a bad habit of leaving the lights and other electronic items on , I actually purchased another one priced similar but a girl stole it and won't return it. I'm now happy she did , it's one of the best and most useful things I have tp preveht getting stranded when you are driving it seems made well I can't speak to longevity as I have not had it long but the ability to charge multiple devices is a big bonus. One coution when I attempted to charge my Chromebook it melted the USB C charging jack on the computer , it charged my phone fine I'm not sure why that happened any comment from seller is welcome. I will still give 5 stars. The only other not pick is it takes too long to charge , if I ever replace it I will look for something faster if available but I think they are all slow. I would not hesitate to buy again and recommend it to everyone

ya me saco de dos apuros, hizo encender el carro a la primera, lo recomiendo