36 Volt 5 Amp fully automatic battery charger, made for overnight chargingOvernight charge is usually 4-6 hours depending on your batteries conditionFeatures a trickle charge mode which is better for your batteries This will increase batteries longevity as well as performance Trickle charge mode also prevents over charging Charger is equipped with 2 led lights for charging status indicationCharger runs on standard USA 110 Volt powerOnly adapt Lead-acid battery 36V5A????Cannot be used in lithium ion batteriesCompatiable??Key FeaturesAutomatic charger with trickle charge mode4-6 Hour Recharge Time Output 36 Volts DC 5 AmpsInput 110-120V, ACD Style Connector Plug LED Status Lights Automatic Fan Forced Ventilation Good quality, good operation.Comes in a sealed package, ready to install.Installation instructions not included