So first of all let's understand that this works with the Bluetti AC200 Power solar generator station. You need to buy two SP160 solar panels. Just parallel together with the AC200 is not possible. It should be related to the series. Here in SoCal in the winter of December when the sun wasn't that bright. I plugged it in and tested it and I got 204 watts, 38.7 volts and 5.6 amps. Once plugged in, it automatically turned on my Ac200 and started charging. When it's summer here I think I get 300W so it will fully charge in a day as the AC200 charger can charge 419W from zero to full in about 5 hours. I know that a portable solar panel doesn't last very long compared to a standard glass solar panel, but it's easier to set up. My main goal is to use this for California wildlife and planned power outages. If it lasts 5 years for me, I'm happy to be there as backup insurance. We have now received two SP160's with a great Christmas discount. You can't beat the price they are currently offering and this is one of the few 160w portable solar panels available. They use the Sunpower cell for this. If any of you guys and ladies need more information on setting up an extra wired connection, leave a comment and I'll try to answer. I had to order and use two ACOPower DC 8mm sockets for standard solar connectors to connect them in series. You can connect more solar panels as this will only increase the volts and not the amps. 1 SP160 has a voltage of 18.5 and 8.6 amps. With parallel use of a panel on the 2nd SP160 = voltage 18.5 and 17.2 amps. But in series with 2 SP160 that's 37.0 and 8.6 amps (no change on amp). The Blueetti AC200 solar charging specification is in the range: 35-150 V DC with max amps at 12 A. With 4 SP160 x 4 = 640 W, voltage 74 and still 8.6 amps. And at that 640W output, if it can maintain that level, it will charge faster than just a 420W AC200 AC charger.
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