how much time 12 volts 7 ah battery sealed battery can give backup ?


Posted January 13th, 2009 by admin 1 Comment »
battery backup
ksatish21 asked:


Hi,

i have 600va ups .. i am using it just to give power backup for my internet modem which takes 12vol 1ah input..

How much time my ups can support that modem? .. there is 12volts 7ah battery in my ups..

and is there any formula to calculate power consumption of a electronic device ?

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Posted in Other - Electronics | 1 Comment »