Review on Renogy 2PCS Solar Panel Kit 450 Watts 12/24 Volts Monocrystalline High-Efficiency Module PV Power Charger Off-Grid Supplies For Rooftop Charging Station Farm Yacht And Other Off-Grid Applications by Steven Boyd

I had to order two sets of two panels to total four and they all shipped fast and arrived on time and undamaged. These panels were packed in two Renogy boxes containing two panels each and they were very well secured and packed. I had them mounted, connected in series, and working in three days time and measured open circuit in full sun 150 volts DC. Note that these are 24 volt 10 amp panels. I'm using these on a Bluetti AC200P solar power bank and now have charging power to spare. It's like my power bank is drinking from a fire hose. It went from near zero to full charge in around 2½ hours. This fast charge rate still happened on an overcast day too due to being over-paneled at near 100%. This over performance is exactly what I was aiming for. Happy I spent the big bucks for these.UPDATE June 2022 - Over the months as the days grew longer and less cloudy and the sun was more at a maximum peak angle the Bluetti power bank was going over max voltage and started to protest. I solved the overload problem by connecting two banks of solar panels in series and then paralleling the two series strings for a total of around 80-90 volts at 20 amps. I've been running this way for about 45 days and my power bank hasn't protested once. Currently at summer solstice it's not unusual for me to get 1100 watts per meter squared nearly every day here in Southern California. I hope this fix helps someone in a similar situation.