Hi Friends! Luminous Inverter have instant charging and backup for a long time. From last one year I m using this Inverter at my home, no complaints in charging amd back up. Very good Customer support Seevice Center. You can go through this inverter for your home. Its ups mode system in inverter will give you no power cut when light goes. Its Led Panel about various indicarors that will help you to to understand functioning of Inverter.! Best to buy among all other inverters