Can this item really produce 100watts or close to 100watts? What is the max charge this item can produce?

In Full sun light it can produce 4-5 amps at about 18-20 volts. Doing the math 4x18=72 watts. I did measure under ideal conditions 20V and about 5A. Doing the math 5x20=100 watts. But But realistically under most conditions the average out put on a give full Sun cloudless day it is more like 4A and 19 volts. 4x19=76watts. Every installation and location is efferent, but this is a rough theoretical estimation. I fireguard on the slightly lower side as dust on the panels and in the air, haze and clouds (often there are high thin clouds that are not easily seen on a bright day). Also remember if you use a charge controller made for solar panels, like I do( Amazon has some $20 dollar ones for small arrays liket I use), The controller will very the charging current as needed to charge the battery. So when you install the panels place them so you get the most Sun Light for the longest time in both summer and winter. The angle of the Sun on the panel can vary greatly if the panel is mounted in a fixed position. This is the easiest mounting method and the most common method. It is less expensive and low maintenance as there are no motors or moving parts. Figure about a 20-23 degree angle of the panel to the Sun as the earth is tilted about that much. This change through the year, but is a good rough guide to start. You may want to do something different at your location. I use two of them and charge two 146 amp hour deep cycle batteries and my panels are not tilted as I live in an apartment and cant mount them like I would like to do. On Sunny days the two panels can take two to four days to fully charge the TWO Batteries depending how much I use the during any given day. But remember my Installation the panels are in a sheltered place and NOT Tilted. So I think if the two panels were mounted like they need to be( As I suggested above) they would work better. Hope this helps. As you can tell it is not a fixed answer as there are many thing that govern the output of the solar panel(s).

On Amazon this item is listed with two completely different dimensions. What is its actual size?

hello, 47.6(Length) x 21.3(Width) x 1.2(Height) inch is the size for unpacked panel, and 55(L) x 23.3(W) x 1.4(H) inch is packing size. Hope it will solve your problem. Thank you.

I'm looking for a solar panel with a female 12v adapter to charge a power pack i already own. Will this model work?

With all solar panels you do not hook the panel directly to the battery you have to have a charge controller. I use mine every day to charge my jump box and batteries for my solar generator. Works very well. I do recommend opening the black box and making sure all you tabs are connected well, before installing.

Does anyone have a photo of the inside of the box on the back of the panel or know it they have terminals for using spade connectors and my own wire?

Dear friend, could you please send a message to amazonzyh@163.com? So that we can send the photo to you.And yes, they have terminals for using spade connectors and your own wire. Thank you!

Maximum Voltage	12 Volts
Maximum Power	100 Watts
Upper Temperature Rating	85 Degrees Celsius
Connector Type	MC4
Amperage Capacity	5.78 Amps
Standby Power Shutoff	High Efficiency
Item Weight	14.55 Pounds
Item Dimensions L x W x H	35.24"L x 23.03"W x 1.37"H
Material Type	Aluminum,Glass

ECO-WORTHY 100 Watt Solar Panel 18 Volt Monocrystalline Solar Panel High Efficiency Module RV Marine Boat Caravan Off Grid

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