For just under $300, you can put together a solar backup system that will run a couple of laptops and lights for a few hours a day.
Anapode Plug-And-Play Solar Kits
Anapode Plug-And-Play Solar Kits
Kohler enCUBE 1.8 Portable Power Station 1800W Solar Generator Emergency Backup
Solar 5 Inch Wireless Backup Camera – UrbanCityGifts
Renogy Lycan 5000 Power Box, Lithium Battery Backup, Solar Generators Station for Home Emergency RPB4835OA-48LFPA12S-US - The Home Depot
Anker SOLIX F3800 has 3.84kWh to power your family's needs for one day. If that's not enough, add up to 6 battery packs to expand capacity to 26.9kWh. For extreme situations, add another Anker SOLIX F3800 and 12 battery packs for enough power for two weeks.
Anker SOLIX F3800 Solar Generator + 400W Solar Panel
How to Wire a Solar Panel – Connecting Solar Panels Together - ShopSolar.com
Plug and Play Solar Panel Power with 750 DC-Watt Inverter; Simply Plug – pluggedsolar
EP Cube Energy Storage System - All-In-One Solar Backup Power - 39.6kWh Kit
SC43-U DIY Solar Wireless Car Backup Camera Kit For US License Plate - SUNWAYI