Our company NETCCA Electronic Power CO., LTD manufacture the Germany NETCCA UPS,inverter,battery and so on,also supply the OEM service.And our production have competive price and high quality. sine wave,line interactive ups 1500va_CPU control /sinewave output, battery charing: 8 Amp Input rang 145-280vac output :220+/-10, 24/36VDC ,1050w