A .8 amp/hour load at 120 volts will reqiure more than 8 amp/hours at 12 volts. Since you do not run a battery below a 20% state of charge you theoretically need at least a 100 A/H battery to support this load for 10 hours. Dennis ----- Original Message ----- From: Jim Felder <felder@KNOLOGY.NET> Date: Tuesday, June 20, 2006 10:42 am Subject: Correction on fan amperage > I just asked a question about battery capacity for driving a box fan > overnight. The fan motor draws .8 amp, not the .5 I originally stated. > > Thanks, > > Jim > |
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