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 - No complaintsRan my 25" TV for 4 hours, 8" portable DVD player all day, and probably around 5-10 hours for my 14" laptop depending on what I'm doing (haven't ran it long enough yet to find out). The display on my unit doesn't seem to be accurate but it's not really a feature I care about anyways. There is a light that lets me know when the battery if fully charged which 'is' working fine. When the battery is low it emits a short burst high pitch whine every 20 seconds or so. This is fairly loud so you will be able to hear it if you are anywhere in the vacinity. Not overly loud though, won't startle you. I use the powerpack everyday for my laptop, as I work out of my car, and have had no issues with it yet in the first month. It might be a bit heavy for some (around 30lbs) but it's not very big and being a 29 year old male I don't mind the weight at all. My favorite thing about this product is how I can just leave it plugged in to recharge at all times when I'm not using it with no fear of it overcharging (ac only). Rating:  - disappointedI made the mistake of letting the internal battery power run too low and so now I'm unable to charge it using the AC Adapter. I did read the manual before using it and did not see any warnings about "over using" the product. Only after having problems and then going to the mfr website was I able to find information on this problem. Right now I'm trying to revive the battery by charging it in my car, but so far (after 2 days of driving) I'm still not able to use the AC adapter. All in all, this is way too much trouble for something that I was going to use in emergency situations. Finally, as mentioned in other reviews, this is a very heavy item and it takes some strength to carry it around. Rating:  - Meets expectationsI use this powerpack to run my pop-up camper. It is much quieter than a generator and costs a lot less too. I plug my campers AC right into the powerpack just like I would if it were a generator. I have yet to plug something in that trips the over current circuit. This summer I will be able to determine how long the battery will last while camping. Until then, I am satisfied with the peak power performance. This powerpack can handle pretty high draw without tripping. Rating: - A good backupThis battery pack is no substitute for a generator, but is certainly a great backup. Rather than start up a generator to power a drill or a television, you can simply utilize this relatively light powerpack to run low power devices. We're definitely going to purchase a second one! The internal light is powerful, and the internal radio is convenient. It's only an extra benefit that it can be used to jumpstart a vehicle. We're going to pick up some solar trickle chargers and use this as a small solar system in the house. Rating: - Great Product!The only reason I did not give this product a 5 star rating is because it doesn't have over charge protection while using the 12 volt charger. So far I have used this product twice on my 350 cu in V8 and it has worked each time! Dan
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