278Wh 75000mAh Portable Generator Power Inverter Battery CPAP Battery Pack with 110V AC/DC 12V/USB QC3.0 Port,Emergency Backup Power for Outdoor Camping Home Charged by Solar Panel/Wall Outlet/Car

I wish I could give this zero stars. Testing leads me to believe it's actually a 75 Wh battery, not 278. I think the battery would lose all of its power in less than two hours while the ac inverter is on even without a load. One indicator LED was burned out right from the start. The car charger was defective and shorted out the lighter socket in my car. Returning this will refund the money but won't fix my car lighter socket. If this comes back in stock avoid it like the plague.

Bottom line is it's probably just not for me but after spending 240 bucks and testing it in every way i can think of it gives me a lot to think about.From my experience it does allow pass through charging (so you can charge it and use it to power something else at the same time) which is great but i only had it powering a small fan and it essentially held the same percentage charge without change while plugged into my wall which is an ideal scenario so i can't imagine it powering anything so well with a solar panel.The I/O is pretty decent and well laid out and the digital read out is pretty nice but the downside is that even tho this whole thing is a matte finish plastic the I/O area is all a really SOFT shiny plastic. most electronics come with a protective film barrier you can peel off and really take in the brand new perfect just out of the box view of your new toy then scratch it up yourself over a long period of time, this came out of the box all scratched up and looking like a beat up floor model at some random store within arms reach of little kids who love to destroy things. And upon inspection it is REALLY easy to add more scratches and gouges just with bare fingers and nails. Looking back i wish i would have gone with my gut and just returned it then. Now i spend more time thinking about what i could use it for than ever actually using it.But if all you need is emergency portable charging for phone's, tablets, laptop, fans, etc then sure it's not bad.Honestly i'm having a hard time finding a use for this thing, for normal every day battery emergencies its too big for convenience so you probably won't have it on you anyway, and i just end up using my small 10,000mah battery packs cuz they're pocket size and can be used anywhere like work in a front pocket, desk or locker. for real battery emergencies like car or motorcycle it doesn't help either, even tho i had this thing with me at the time, there's no way to jump start or charge even my tiny motorcycle battery with this model and i was left stranded. for flashlight emergency, i just use a flashlight. if driving i just use car chargers. if i'm too far from an outlet i can get a longer charging cord or power strips or extension cords. if i need to power anything on a more permanent basis with back up there are better options like for cpap machines, computers, fridges, etc. if it's living out of a van you're after then solar panel the roof and make your own battery array.. if it's big camping we just ended up using the RV's generator for everything, for average camping and really need power get a decent whisper quiet gas generator and maybe use this over night to have some silent power if you chronically forget to charge phones during the day, for light camping or even hiking it would probably be pretty good for an all around power source if you don't mind the extra weight. but even for longer motorcycle rides were i would like to use this in a backpack or saddle bag to keep things 100% the i'd be worried about the I/O arrangement on the front, i imagine i'd be snapping off cables pretty often with all the right angle plugs on the front instead of it all being protected behind a trap door like on some models, and the soft plastic across the front will eventually make all the labels unreadable through the haze of scratches.i had hopes for this thing but i've run into a lot of road blocks, it's decent power for the price but basically for any application i can imagine i'd either go much bigger or much smaller. i guess it's pretty nice for what it is, but for what it is i also never use it.It'll probably end up as a surprise gift to a family member and i'll see what they come up with for it. =)

This inverter is small and lightweight but it packs a punch. I used this at trade shows to run my POS system and register and charge my tablet and phone. It does it all and still has power to spare. Charges up quickly and is great just being able to look at the LED display to see how much power is used during the course of the day. I recommend this to anyone who needs external power for trade shows or camping.

good item.with its help ，i can enjoy the house humidifier in my van.it is very comfortable, I like it very much

Lightweight but BIG power. I took it camping and was able to run my cpap all night. Excellent to charge my phone, watch and bluetooth speaker. Highly recommended.

It packs enough juice to power your phone, tablet and even laptop a few times before having to recharge the unit itself. I love this handy gadget!