WNY wrote:Power (Watts) = I (Current) x V (Voltage)
So you can divide or multiply to figure out what you need. So, 200 Watts
200 W / V (120 Volts) = 1.6amps (approx).
ntp71 wrote: your Amps Total is 5 amps, and your AmpHour rating is 25AH then
25AH/5 Amps = 5 hours