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This review is from: Rosewill RCI-300TS 300W Pure Sine Wave Power Inverter
Pros: We run our entire office on Solar power and thus batteries in 12 and 24v banks. We used larger 1000 pure sine inverters but I picked up a couple of these from newegg on special as we were replacing for efficiency not failure. It's listed at 87% but in reality it was closer to 90% until the fan turns on. THE FAN IS TEMP CONTROLLED! Very important! Unit stays below +7*F ambient with a 177w load from MacMini and 25" HP screen along with 2.1 stereo 25w JBL sound, lights etc on same circuit for office room - Kill-A-Watt tested and averaged. Over a week we saved about 900 watts over the larger unit and NEVER needed more power.
Run efficient office and you can get by on a lot less.
Cons: The 50/60hz switch is on one side with no label to indicate. The indicator light is on the back side. We ran 50hz for a couple days, equipment didn't care as it's all AC-DC inverter based parts. CFL and LED lights had no issue.
Other Thoughts: It's PURE Sine! 60.1hz Pure wave and no wave bounce on equipment startup! NICE.
Large for it's rating but it's all capacitance.
This review is from: Sunforce Solar Shed Light
Pros: 5V Amorphous panel - after 6 months - before it kicks out 6.2v. Good light output. Magenetic base easily tags onto steel posts, hinges and under the car hood. Replaceable 3.6v 3x1.2v battery.
Amorphous panels work well in ALL light conditions but produce a lot less mah per sq in than Poly or Mono. Battery lasts about 6hrs each day. There's a switch to turn the LIGHT on and off. Panel uses basic plug which can be extended easily. Takes about 12hrs to full charge. We get 5 peak sun hours a day in the Mid-Atlantic... 6.7 in Florida Think about the math. It doesn't matter what state or how HOT it is.
Cons: Reviews here from "High" skilled people who have no idea what they are using. Battery pack is $6.95 at the Shack, plug and play. Upgrade to 3 AA's and you'll get over 20hrs runtime BUT it takes 3+ days to charge. I modded two to use AA tabbed batteries I soldered and then shrink tubed into a pack.
NO charge controller! Warning! You MUST run the light at least once a month till dead OR swivel the panel out of direct sun. The battery will overcharge and become useless and replaceable.
Panel looses power when it gets too hot but produces more power when it's cold or cloudy compared to other types. This and low cost are why TFT panels are good and good at.
Other Thoughts: Great for backup lighting too. I have one in the Shed, garage, laundry room. It's basically a rechargeable flashlight with solar panel. I'm adding 2 more to the shed, only one will be mounted. There's one mounted in my old Jeep (panel is bolted the plastic on the inside of the tailgate and light is in the storage box).
It's LED power... Not a flood light or some mega light that will be a great work light or something. It's basic, petty light.
NOT tax deductable (I guess this is a con).
Panel Only is weather RESISTANT. Mount under the eve of the house/shed but low enough to get sunlight and angle to the LATITUDE of your area towards 188* South. So, S. Carolina would be about 36* angle, PA is 40*.
Pros: 5 watt mono-crystal solar panel! Genius! 1hr in the office nets me about 20mins (it works under CFL and Halogen lights). Sun is about 50%, 1hr=30min.
This is PURE Brilliance! Thank you Samsung.
Turn on USB charge mode in the BIOS and the panel will supply power to a USB port.
Cons: Intel Atom Performance.
Other Thoughts: I got this elsewhere, same price but pre-ordered. Upgrade to 2gb ram and a Samsung SSD, from NE. Brilliant. Get more girls talking to me than when I had the MacBook Air... Wink.
Mono-Crystal panels are the most effecient for size.