If I use it with devices take about 800W, for how long it can provide continues power ?
2045489
This doesn't provide the power, it only converts it from DC to AC. "How long" depends on the DC source. If it is a car battery in a running car's alternator, it will last as long as the car is running. If not connected, it depends on the amp-hour rating of the battery and how well it is charged.
2045490
First of all be carefull - this is a modified Sine Wave Inverter. Not all 110 volt equipment will run on Modified Sine wave especially certain medical equipment. To be safe you should purchase a Pure Sine wave Inverter to get same as House line voltage. The unit has a built in breaker that if it gets too hot it will shut down. Manufacturers Operation guide does not show a maximum operating time. Depends on heat and Battery longevity
2045491
I agree with Paul depending on how much reserve battery power you have will dictate how long you can pull 800W. For better service I advise to use bigger wire to connect to battery and shortes length possible, 4 awg or 2 awg if need to be longer wire with ring termals. Unless you have a big battery bank reserve best to keep plenty of 12V power to batteries. There is a formula to calculate the load online
574554
I'm thinking of using this to power some external usb speakers that run on 4.4v at 500mah - how long do you think it will last before battery depletion?
2143590
Assuming a normal household outlet, it is protected up to 15 Amps on the whole circuit. This means a max allowable of 1800 watts on the whole circuit. Provided no other devices which exceed 800 watts are used on this circuit, you should be OK.
1346387
i am currently powering a pair of 80 watts outdoors, but would not think it would do much more.
18873
I have used this unit to power my laptop for at least two hours. I am sure you could use a solar charger to increase that time, I believe there are either versions of this type of device that are sold with a solar charger, you cold buy one or make one with parts from amazon.
422981
I think that might be more power draw than the power supply could handle. It has output of 4.16A. USB2 charges at 500mw (nominal) while USB3 can charge at upwards of 1500mw. My guess is that 8 iPod minis would be the max.
1065463
I generally get around 4.5 hours. Most of the time I use the AC power. I use a hard drive not a solid state.
539497
I've mostly used it on USB, but from time to time it comes unplugged and I dont notice til days later that it's still running. I've never attempted to use it for 80 continuous hours, but I'd say it lives atleast 60 before it needs a charge.
1831101
In standby, 48-50 hours if used continuosly. With "rest" periods it has been 3-4 days. You could use a cheap portable battery (usb power bank) and it will be getting data 10-15 days
1170202
im not sure exactly because i plug it in and do other things.. under 10 minutes..
885945
That really depends on the amp draw during the outage. You'll need to define how much power you are pulling. Generally these are designed to keep computers and sensitive equipment running just long enough to properly shut them down. If that is what you are using it for you can reasonable expect 10 minutes. I've never tested it to see how long it would last with my setup. Hope this helps.
1596067
Hello David,This would depend on the power settings you have the computer set to. The manufacturer estimates 4-5 hours. Thanks for your interest!
1007980
I can only tell you the power supply has been sitting charged up on my desk for over a month and it looks like it is still at or near full charge. My guess is, you won't have any problem for an 8 day trip.
2067995
If your using one 12 volt car battery out of the car it won't supply that current for any useable amont of time even if the converter was capableof doing that, which it is not. It could maintain 800 watts continuous if the battery was in the car with the car running maybe even 900 watts,but that's it. As far as the connection to the battery I'll reserve the "duh" and say: positive to post marked +, negative to post marked -.
1782887
That's what I've got it plugged into. Works great (for the power consumption - I only have a 300W supply)!
1993438
The load can be up to 100w. I believe watts divided by volts gives amps. So that would be 8.3 amps. The time delay can be set for 16 seconds (default) up 350 seconds or 5.8 minutes (+/-30%).
99767
The device reads that it outputs 4.75 amps and 90 watts max. It has powered anything I've thrown at it including my iPad (which requires a fair amount of output).