CENTENNIAL, Colo. – Xcel Energy offers a $10,000 rebate toward backup battery systems for customers who rely on electricity for medical devices. But how long does that battery actually last?
In a previous story, we reported that, according to an expert at Namaste Solar, a typical modern backup battery — in this case the Tesla Powerwall 3 — will power a home for about two hours. Photon Brothers, a solar and battery company, reached out to say the same battery system should last much longer than that.
▶ WATCH: Denver7’s Ethan Carlson digs into how long the battery systems actually last
Xcel’s $10K battery rebate: Differing opinions on how long the power lasts
Matthew Raichart, CEO of Photon Brothers, said his own power went out during Tuesday night’s snow storm and his battery was on track to hold up well into the next day…