eco-worthy

Anyone have any experience of Ecoworthy solar panels? There's a sale on at the moment, 130w flexible for £75. Looks like a £10 off voucher can be used aswell for first purchase https://uk.eco-worthy.com/collections/all-products/products/130w-12v-flexible-mono-solar-panel

Some discount on on eBay at the moment. I popped one in the bag this morning.

I have a strange problem. I have an Ecoworthy 130w Solar Panel on which the specs say open voltage/ max load voltage are 23.5/20,5. Yet I'm getting 26.5 out of the panel into my renogy dcdc mppt, causing it to go into over-voltage protection as it allows max 25V. Any idea what would be causing...