inverter & battery

[tony]

hi all if you had a 1000w inverter & was using an item of say 350w, would that mean it would only be pulling 350w from the battery ?
thanks
tony

 

[Firefox]

Yes (Minus say 5-10% losses). So allow say 375w power draw. 1000w is just the max the inverter can handle.

I have a 1000w inverter in my van and use it for a 700w fan heater in short bursts and sometimes for 240V lighting.

But 700w at 12V is 58 amps. Even though I have 220 Ah batteries, they would only last 3.5 hours continuous with the heater so I'd use it in short 5-10 min bursts max.

 

[rickboy]

hi all if you had a 1000w inverter & was using an item of say 350w, would that mean it would only be pulling 350w from the battery ?
thanks
tony

Switch the inverter off when not in use as it draws power in standby mode.
When you first turn on some appliances you may draw up to double the rated input for a second or 2.When it settles down you drawn about 10%+ extra power depending on the inverter type.Some types (more expensive )claim to waste less power.I have a cheap type and it works everything except a digi box, satelite,dvd,tv all o.k.
Rick

 

[tony]

Switch the inverter off when not in use as it draws power in standby mode.
When you first turn on some appliances you may draw up to double the rated input for a second or 2.When it settles down you drawn about 10%+ extra power depending on the inverter type.Some types (more expensive )claim to waste less power.I have a cheap type and it works everything except a digi box, satelite,dvd,tv all o.k.
Rick

can the inverter be left connected to the battery (battery not easy to get at) & switched off when not in use , will it draw power this way ?
tony

 

[rickboy]

yes ,no power (or negligable) when switched off.