Disha Karnataki
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i have a SMPS :
the ratings are:
250VA capacity.
230vac i/p .
battery i/p 12V.
now how do i decide battery AH?
say i want to use 20W 4 CFL tubes for backup time of 1 hour.
the ratings are:
250VA capacity.
230vac i/p .
battery i/p 12V.
now how do i decide battery AH?
say i want to use 20W 4 CFL tubes for backup time of 1 hour.