“I want to maintain power to 2 laptops, Internet Router and a TV and perhaps a small lamp. Im confused about the half load Run Time 9 min and max battery time 8 hours. I fully understand needing to watch the total Wattage Load.”
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This is a bit complicated. The discharge curve is not linear. For example, if you double the current load, the discharge time will NOT be 1/2 the time as the lower current draw. It will be somewhat less
Sorry, there was a problem. Please try again later.From my experience and usage of this battery backup 650va, I had one laptop connected to it and it lasted about 45-50mins before it went flat. My laptop was charged about 70%. Dont use it like a power bank because its not. for now, I have it connected to all my work laptops, desktop, and router, phones and it holds power during brief interruptions. however it is yet to fail since I have used it.
Sorry, there was a problem. Please try again later.Hi there, the half load is going to mean the unit is at half of the wattage capacity. Running a half load on this would be pulling 180 watts and the unit is able to run for 9 minutes. Whereas only connecting a unit drawing 5 watts will give the unit approximately 6 hours of runtime. For this we recommend calculating the total wattage of the connected equipment and using our runtime calculator to determine the approximate runtime. If you are still having trouble with this, please contact our technical support at 1.877.297.6937 and dial 1 for technical assistance. Great question!
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