The FS800VA / 12V is a sine-wave UPS inverter with built-in charger and AVR designed to convert the input 12 VDC to 220 VAC at its output and specially designed for back-up of circulator pumps for fireplaces, boilers with or without electronic controls, fans, controllers, video surveillance systems, computers, televisions and any precision electrical appliances with a total consumption up to 500W. The output voltage is an ABSOLUTE CLEAN SINUSOID, which allows the Jupiter to be used with continuous power supply of inverter / ALFA / Pumps, electronic pellet burner controls and any very capricious electronics. The power supply to the jupiter is via an external 12V battery, which allows continuous and trouble-free operation of the appliances. When switching from emergency power mode, the jupiter automatically turns on the charger by starting charging the battery and shutting down charging when the battery is fully charged - charging time depends on the size of the battery. Considering the size of the charging current - 10-15 A, the external battery can range from 50 to 200 Ah - the more powerful the battery, the more time for continuous power supply is more. The color display shows: input and output current, output currents, battery / accumulator charge, errors, etc. Built-in system for zero power failure when switching to emergency mode and vice versa when switching to mains power mode, i. the automatic two-way transfer time is 0 seconds. Complete and total protection for the jupiter and the battery - built-in protection against: overload, short circuit, overheating, low voltage and recharging of the battery. All of our Jupiter models are compatible for all types of power generators. Example: The duration of operation of UPSIE in emergency mode with a new 75Ah battery at 50% load is up to 5 hours. When purchasing a UPS with a built-in rechargeable battery it is good to know that the built-in batteries are of very low power and the UPSYA can operate without power supply, ie. in an emergency mode of 5 to 15 minutes, which is quite inadequate. Additionally, if an external battery is connected to a UPS with a built-in battery, the internal battery automatically drops off and stops feeding the jupiter, i. it makes no sense to him. The inverter is also particularly suitable for camping and in locations where there is no 220V voltage: for powering lighting, TVs, laptops, tablets and much more directly from the car's battery. Specifications: - Output power peak - 640 W; - Rated power output - 500W; - Built-in AVR - stabilizes the input voltage from the mains, with oscillations from 145V to 275V at 220V, ie. jupiter is also a stabilizer for current; - Stabilization of the hectares of electricity from 45-65 Hz. at 50Hz. ± 0.1 Hz, i. jupiter also straightens the sine wave if it is incorrect. - Works with a standard 12V car battery - 1pc. / not included in the price / - Works with GAZ boilers - The inverter is compatible and works with all types of current generators. - Dimensions W x H x D: 39 x 16 x 24 cm. - Weight: 7.5 kg. *** Warranty period - 2 years. *** SELL FOR RETAIL AND WHOLESALE !!!!