ASPERX 2500A Jump Starter 21000mAh for 10L Gas 7.3L Diesel Engines

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1. Jean louis Chalaye Verified Buyer – 21 April 2024

   All good
   

2. Rachell Verified Buyer – 27 February 2025

   UPDATE: THIS DEVICE SAVED MY SIGNIFICANT OTHER. I quite literally forgot we had this in our car. I had charged it, put it in the emergency kit, and had not touched it in over a year. I believe I got this in November of 2022, give or take a month or two, so It’s been a while. This is something we never expected to use, but was nice to have on hand. Well, it quite literally saved my significant other a few weeks ago when we were in below freezing temperatures. I live rural. After starting up the car and my SO making a journey to recycling, the car died. Battery completely dead, barely getting lights to flicker. No one around, no cell signal, about 10 degrees outside. Car had been sitting in -40 degree Temps for over a week. But, she had started right up, idled fine, drove perfectly. Then she did not. Pulled up to the center for a few minutes, where she died and she would not start back up. He was in a situation where leaving the car was not necessarily optional, as it blocked a fire station, and had there been an emergency, they would have been unable to get the trucks out, quickly. This is a fire station that no one is present in until there is an emergency call, so he could not even seek help from there as no one was there. That’s when he remembered we had this. He honestly did not expect it to work, being as the freezing Temps had clearly drained the cars battery so badly, it probably had this as well, but he took a chance. Our car started right up. No issue whatsoever. As good as if he had been jumped by another vehicle. It gave him enough power to get home, and the device was still reading at almost full charge. Meaning he could have used it a second or third or even a fourth time, had the car kept dying. To say I was happy with this is an understatement. It quite literally saved him in my eyes, because rural, below freezing temperatures, no way to get in touch with anyone nearby, as well as blocking an emergency service area, was a horrible situation for him to be stuck in. He would have had no choice but to walk to seek help had he not had this, and again, not ideal for if the department had an emergency, and not the safest to have to walk anywhere either. I will forever be grateful that he had this in a pretty bad situation, that could have been considered even dire, especially in that weather, had he been traveling further than he had. I have increased my rating from a 4 star to a 5. I trust this device. I would gladly purchase another in the future for my other vehicle. ORIGINAL: This appears to be a decent quality. Unfortunately the only way to know if this will 100% work is for you to be able to have to use it. We have yet to fall into a position to have to use it. What I can review on it is that it does appear that it would work, and the fact that it is small, and won’t take up a lot of room. The box it came in could easily slide under a seat in your vehicle for convenience storage. Mine appeared to already be fully charged when we received it, but I still decided to plug it in just to ensure that it was. It came with instructions so it should be easy to use if the occasion arises. In the event that I do get the opportunity to actually use this, I will come back here to update my review and let you know how it goes. I just want to make it clear that my four star review is only a four-star because I have not gotten a chance to prove it works. Not because I found any flaws. If/when I do have to use this, if it works correctly and without any any issues , my review will change to a five star.

   

3. KccaseyK Verified Buyer – 8 March 2025

   I ordered this for my 2008 Nissan Sentra, 4 cylinder and a 2015 Genesis 6 cylinder. My Genesis had a very weak battery and needed a jump start. Because the cars system detected a weak charge, it wouldn’t allow me to start the car. I hooked up this Jump Starter and it turned right over and off to the store I went to buy a new $300 battery. The Nissan had a 0% dead battery and this Jump Starter battery cranked it right up on the first try. Super excited because the car has been sitting for almost a year. What’s even better, is that I was able to start both of these cars on the same jump starter battery charge without having to charge it in-between or after using it. I still have 4 bars of battery life remaining. This is a fantastic jump starter to jump 2 cars back to back and still have 4 bars of power remaining. This charger was very easy to use. Instructions for use are printed in the manual and on the hookup cables. You simply hook up the cables, press the on button, wait for the light to come on and turn on your car. If it doesn’t work the first time, there is a boost button on the cable box you can press that will also get the job done. It’s couldn’t be more simpler than that, other than someone else doing it for you of course. Some of the additional features include a normal light on one end and a service help light on the end. You can also charge your phone or other devices from it as well that need a USB-A or USB-C connection. What’s also great, is that anyone’s hands can handle and/or hold this as well.

   

4. Dave Verified Buyer – 19 April 2025

   It was fully charged up when I stored it under my rear seat 7 months ago. I just needed it and it was completely dead.