A solar battery is not a short-term product. It’s not only about how many can be installed, but also about whether these batteries can endure. By cutting thousands of dollars off the upfront cost, the program has brought batteries into reach for households that previously dismissed them as unaffordable. Recycling and second lifeEvery battery installed today creates an obligation for tomorrow. Sustainability depends on how batteries are sold and installed today, as well as on how they are managed when their first life is over.