The Ecco NS-1000 1000w pure sinewave inverter has a rated output of 1000w constant power. It has an Input rated power of (VAC ) 220/230 (+25%, 35%)Frequency (Hz) 60/50 10%Output voltage regulation voltage range (VAC) 220/230 10% (automatic adjustment Auto-sensing)Conversion Time Transfer time 120%, 100 ms;> 150%, 50 ms; Output short circuit 120% 100ms;> 150%, 50ms output short circuit 150 MS dc voltage DC Voltage Battery 24VDC type TYPE sealed lead-acid batteries Sealed, maintenance-free lead acid Recharge current 8-13A charging current Dimensions Appearance Dimensions External Size (mm) D W H 37*24*14 frequency transformer, pure sine wave AC output, load capacity automatic high and low adjustment function (AVR), wide input voltage range, can adapt to any harsh power environment can automatically turn power situation in the city, more widely used advanced automatic constant current charging circuit, extending battery life has improved battery owe voltage, overload, over discharge, short circuit protection charging level constant and float combination. Ecco NS-1000 1000w pure sinewave inverter.