“i only want to use this back up supply for MODEM & SECURITY CAMERA & nothing else................. how long would power supply last?”
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That depends on the load amps/watts and the capacity of the unit. Generally you can figure 300w=4 minutes. You can look online for tables with the variables you need. It also depends on the type of UPS you buy. Right now I have 3 computers, modem, monitor hooked up to a UPS. The unit varies depending on the load but it shows I am drawing 97W power and have 42 minutes of stable backup time.
Sorry, there was a problem. Please try again later.Do you have any idea how much power they use ? If I had to take a rough guess I'd say probably around 30 minutes or so but more precise numbers would be more helpful.
Sorry, there was a problem. Please try again later.Obviously that depends on how much power your devices use... I'm bored so I checked my unit; at 17% usage (113 watts) it says I have 42 minutes of battery power at that usage level. At 24% (165 watts) it says I have 29 minutes. At 9% (60 watts), 72 minutes.
Sorry, there was a problem. Please try again later.Thank you for your inquiry. The equipment should draw around 50 watts if not a little less. At 50 watts you would get around 2 hours and 27 minutes of runtime. If the load is lower the runtime will be higher.
Sorry, there was a problem. Please try again later.I have 6 devices hooked up to battery and test feedback says will last 58 minutes. Hope this helps.
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