Luminous HKVA Inverter for Home, Office & Shop with Luminous Battery, Optimus 4500+ Pure Sine Wave 4000VA,48 Volt Inverter with Red Charge RC 25000 PRO Tall Tubular 200 Ah- 4 Batteries Combo. Capacity- 4000 VA, Maximum bulb load- 3924 W Technology- Sine Wave Technology 4KVA 48V No of battery supported- 4NO Battery (12V) Display: Informative LCD display which shows real time performance statistics Charging current: User can choose charging current between (8A-18A) for optimized performance Optimized performance: User can choose Output voltage between (200V-240V) to optimize between Longer Backup time and Performance Fast battery charging: Low voltage battery charging begins from 95V and fast charging from 135V input supply Mode selector: Eco and UPS mode available Complete safety for your home with protection features and alarms on short circuit, overload, over-temperature and low battery Safety for your equipment as it supplies grid like power to the connected load Supports all Battery types (Flat, Tubular and SMF) and all battery capacities (80Ah-250Ah)