Black & Decker 400w Power Inverter Pi400ab
Been sitting in the garage but I just tested it and it was able to power on LED string lights. The fan works too.
Please let me know when you can pick at the Ohlone College Starbucks.
Google Map pin to get to Ohlone College Starbucks:
https://maps.app.goo.gl/kPezoxqSohTABEPe7