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What I need power supply to power a 13 watt CFL bulb?
I need a battery / inverter that can power a single light bulb for long periods of time, and can be recharged. Most I've found so far need to be connected to an external battery. I think I found the right one: http://www.amazon.com/Xantrex-XPower-PowerSource-Mobile-852-0281/dp/tech-data/B000HVDCZM/ref=de_a_smtd However, I have no idea how to evaluate time that can feed the bulb. I would prefer it to last for 5-6 hours, and the possibility of charging a standard electrical outlet 120V
A few answers wrong. A CFL bulb escapes from 120 VAC or 240 VAC depending on where you live. The investor is referred to a 100W unit, much more than you need to Watts bulb 13 1. And it is necessary that the external battery. Your best bet is to find a UPS, which includes the battery and inverter in one package. And the battery charger, you not mentioned. I am having trouble finding a low-power UPS. Re your question about the time a 13-watt bulb for 6 hours is about 70 watt-hours. Call 100 for the loss. A 30 amp-hour battery life (a rather small sealed lead acid battery) puts out about 300 watt-hours, so it is more than necessary. An amp-hour battery and October 20 would be fine. Edit: I found a UPS 500 with 110 watts http://www.buy.com/prod/cyberpower-cp850avrlcd-ups-intelligent-lcd-diagnostic-panel-series-9/q/loc/101/204822640. html Lowest I could find. This one can run for 30 minutes at full load, so loading, will last for several hours. I hope you have a unit 100 watts available cheaper somewhere, but I could not find it.
Power Inverter Demonstration