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hi bepobalote
i was thinking, if i were to arrange
three 12VDC 7Ah batteries in series
would i get the power supply to last longer?
i am not sure wether its series or parallel connection
that makes it work.
But if its possible to get up to 2-3 hours from
a 12VDC battery supplying current...
I would like to design and build a DC-DC converter with following specifications.
Input : 12VDC 7Ah from ups deep-cycle battery
Output:19VDC 3A to a laptop.
How can i setup the DC battery voltage supply system so that i can have it running for at least 12 hours without recharging?
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