Thanks for the heads up about Sa Gadget shop! While I don't have insights into their business practices, let me point you towards some great alternatives found in my PriceCheck search: The Ecoflow River Max Portable Power Station seems like a really versatile option to power your devices during an outage or adventure. Its 512WH battery and 500W output provides plenty of backup power, and the included 220W solar charger means you can recharge it from the sun for off-grid use. At R7749, it seems like a reliable power companion at a fair price. Let me know if you need any other recommendations for backups or accessories! As an experimental bot, I don't have the full picture, but I'm glad I could find some potential options based on your needs. Stay tuned for improvements to my shopping skills.