Convert Power & Charge Batteries The RecPro 4 Stage Smart Converter/Charger 110V to 12V DC is the perfect choice for RV owners in need of a reliable charger/converter. This exact replacement for the WF-9800 series comes with an internally mounted cooling fan, reverse polarity protection, overload protection, and thermal protection, as well as LED indicator light. This product also includes a maintenance-free design and can charge both lead and lithium batteries on three fixed output modes–13.0V, 14.6V, and 16.5V. The four-stage smart charging program includes fast charge, standard charge, trickle charge, and equalization charge–that ensure your battery is always charged properly in order to extend its life. Choose the RecPro 4 Stage Smart Converter/Charger 110V to 12V DC today! Features: Exact replacement for the WF-9800 seriesInternally mounted cooling fan - quiet and temperature controlledReverse polarity, overload, and thermal protectionLED indicator lightBuilt-in 4-stage smart charging: Fast Charge, Standard Charge, Trickle Charge, and Equalization ChargeInput: 105-130V AC3 fixed output modes: 13.0V, 14.6V, 16.5V Details: Fixed output mode voltage can be set to 13V, 14.6V, and 16.5Ideal for use in RV, automotive, boat, car audio, or any applications where battery charging or 12V power is neededEngineered with the user and variable environmental conditions in mind 4-Stage Smart Charging: Fast Charge - Quickly charges a drained battery to full voltageStandard Charge - Safely charges and prolongs the life of a battery while providing power to run 12v lighting and accessoriesTrickle Charge - Keeps a battery fresh and ready to go during periods of prolonged inactivityEqualization Charge - Prolongs battery life and capacity by removing sulfate build-up and balancing the voltage of each battery cell