Amp and volts

[Mrcoolabah1au]

Want to total up all my use of all the things we use in the van to see if we need to up grade or do something

[supersparky]

Wayne, what are you trying to work out????

[T1 Terry]

Wayne, if you look at the specs plate on each piece of equipment it will either has the watts or how many amps and at what voltage. The ones with amps and volts, multiply these 2 figures together and that will give you watts.
Now calculate how many mins or hrs you use each piece of equipment in a full day. For each piece of equipment write down how many watts and how many mins or hrs it is used. Multiply the hrs by 60 and multiply that number by the watts, this will give you watt mins for each piece of equipment. The ones that are only in mins just multiple the mins by the watts so all the appliances have a list of watt mins per day. Add them all up, divide by 60 and you will have watt/hrs (Wh) divide that figure by 12 to give you Ah used from the battery if it's 12v or 24 if it is a 24v battery. If you want to get it a little more exact you need to add 10% for all the things that require the inverter to power them, depends just how accurate you do the time use etc, if you add a little bit then don't worry too much about the 10% loss through the inverter, but if the inverter is turned on for long periods you do need to add 1Ah for every hr the inverter is on, with the big one, 1Ah for every 3hrs a little 150w inverter is on.
Hope that helped

T1 Terry

[Mrcoolabah1au]

Thanks terry was thinking of buying more Li while the dollar is low but only a 100 ah as I think this will do after I total the fridge ,TVs ,diesel heater ,and a few led lights

[T1 Terry]

Thanks terry was thinking of buying more Li while the dollar is low but only a 100 ah as I think this will do after I total the fridge ,TVs ,diesel heater ,and a few led lights

Ummm.... The dollar being low makes them more expensive, not cheaper Wayne as they all come from China and priced in US dollars. The clever ones who said they would wait until the lithium battery prices came down must be kicking themselves now, they are already 20% more expensive than when you bought them and the new shipments are likely to be even more expensive.

T1 Terry

[Mrcoolabah1au]

Thank will wait till Malcolm ( pm ) makes the dollar higher