Solar Power Battery Backup System
Battery backup units have been attached to Roller Door door openers for many years. This convenience started off as only being available for the top of the line garage door openers. Now you can add a Solar battery backup to many garage door openers at a reasonable price and they are available on new garage door openers across the price range. Battery backups have become a necessity for most that live in rural areas or places that must deal with extreme weather.