Anker SOLIX E10 is a Whole-Home Backup System, uniting battery, solar and a smart generator to keep your home always powered with ease. This system requires installation. Call Solix experts for real-time guidance(Mon-Fri 9AM-5PM PT+1(800)988-5541), or send your questions to get detailed answers within 24 hours. (support@ankersolix.com) | Anker | | SOLIX E10 Manual Backup Kit, 10kW Turbo Output for whole-home backup with Smart Inlet Box, Installation Required (6144 Wh Capacity) | Best Buy