Lead-Acid And Lithium Battery Modes : The Charger Features Two Charging Modes For Lead-Acid And Lithium Batteries, With A Button Enabling Seamless Switching Between Them. When The Button Is Pressed And The Indicator Light Turns Off, The Charger Operates In Lithium Battery Mode. When The Button Is Not Pressed And The Indicator Light Remains On, The Charger Operates In Lead-Acid Mode. Wf-9855 55 Amp Power Converter : The Wf-9855 Rv Converters Are Used To Convert 110vac Power To 12vdc Power. Can Easily Replace Any Wf-9800 Series Converter, Such As Wf-9855, Wf-9855-Mba,Wf-9855-Ad-Mba,Wf-9855an And Most Other Converters. Quiet Cooling Fan : The Converter'S Cooling Fan Will Not Run At The Start Of Use, But Rather When The Load Reaches The Point Where It Is Needed. Cooling Fan Operates Only When Needed, Ensuring Quiet Operation. Over Current, Temperature, Voltage, And Polarity Protection For Added Safety. Technical Parameters: Output Power: 55 Amps Dc Output ；Output Current: 55 A；Input Voltage/Hz: 105-130 Vac, 60 Hz。High Standard Of Technical Requirements Means That The Converter Will Not Interfere With Tv, Radio Or Other Signals. After- Sale Service: Ensure That The Power Supply Is Disconnected Before Installation, Make Sure All Wires Are Secure And Tight, Give Them A Little Snug. Please Feel Free To Contact Us If There Is Any Problem, Damage Or Unsuitability Of The Product. We Will Provide Full After-Sales Service And Try Our Best To Solve The Problem. Saving You Time, Money And Energy! Brand sdanbom Color silver Wattage 5.7 KW Frequency 60 Hz Model Name Power Converter Manufacturer Sdanbom Model Number WF-9855 Output Power 55 Watts Power Source Battery Powered BuiltIn Media Power Converter Input Voltage 105 Volts (AC) Output Voltage 120 Volts (AC) Mfr Part Number WF-9855 Antenna Location Vehicle Battery Capacity 55 Amp Hours Warranty Description 1 Peak Output Power Watts 660 Electrical Output Waveform Modified Sine Wave