Major Specifications Continuous Power-300W-12V-Charging Current 15A similarly 500W-12V-20A 800W-12V-30A 1000W-12V-40A 1500W-24V-30A and 2000W-24V-40A AC input Voltage- 160V~165V Output Voltage- 230VAC? 50Hz? Auto Transfer switching time- d 5msWave from- Pure and Modified sine wave Three/Four-stage Charging- Standard Four-stage (CC-bulk CV- absorption Boost and float) Battery selectable- Selectable settings for flooded lead acid gel or absorbed glass mat (AGM) batteries Protection- Over Temperature Over Voltage (ACandDC) Under voltage (ACandDC) Over load Short circuit Control Function- CPU Control Show More