Solar Powered Generator??
I'm looking to but this solar powered generator for emergency and outdoor use. Here is the product.
http://www.solarhome.org/index.asp?PageAction=VIEWPROD&ProdID=537
It says it can run a refrigerator. My question is for how long? Say the refrigerator uses 1000 watts how long will it can it run on the battery for this generator? What about something smaller like an appliance that uses 300 watts, how long will the battery here last? I want to know what this is capable of before I decide to buy it.
Here are some of the specs for it:
Powers AC products up to 1500 watts
Easy to monitor, dual-outlet, AC panel
Built-in 1500 watt inverter with protection features
60 amp-hour battery
Rated Power: 40 watts
Rated Current @ Pmax: 2.31 amps
Nominal voltage: 12 volts
Rated voltage @ Pmax: 17.3 Volts
The battery has a nominal 720 WH of capacity; after the inverter, this will probably yield more like 600-650 WH.
How long a refrigerator will run on that depends on the fridge. I'd estimate a day with the PV panel helping. If you want to be sure, get yourself a Kill-A-Watt or equivalent and measure the daily consumption of the fridge you want to run.
The connectors and such aren't shown. You may be able to add a bigger battery, more PV capacity or both just by wiring them in; this would let you run a fridge for several days. The 1500 W inverter would probably be able to run more or less continuously.
Last, this is a fairly expensive system: about $22 per rated PV watt (more per delivered watt). You're paying a lot for the convenience of the built-in cart. If you don't mind a little construction, you could bolt an inverter and a battery box to a hardware-store dolly and get a unit built to your own specs for much cheaper.
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