5pcs DD30CRTA 3A 12V 1-1000AH Lead-Acid Battery Accumulator Storage Cell Charger Charging for UPS Car Solar Motorcycles

Specifications Power supply voltage 15 28VDC Recommended 16 25VDC OverCharge Voltage is 14 8VFloat Charge Voltage is 13 55VMaximum charge current 3AQuiescent current about 1 8mAHigh PWM Switching Frequency 300KHzOperating Ambient Temperature 40℃ to 85℃Size 66 x 20x 12mmWeight 9gApplications Car battery chargingSolar battery chargingLoadspeakerLead Acid Battery ChargerElectric Bicycle ChargerUPS Portable Industrial and Medical EquipmentStandalone Battery ChargersFeatures Fixed Over Charge VoltageOvercurrent protectionAutomatic Conditioning of Deeply Discharged BatteriesAutomatic RechargeCharger IndicationBattery Overvoltage ProtectionSuitable for 1 10000AH 12V Lead Acid Battery charger 1 The DD30CRTA is a PWM switch mode battery charger controller for 12V lead acid battery in a small package using few external components The DD30CRTA is specially designed for charging 12V lead acid battery with trickle charge constant current charge over charge and float charge mode In over charge and float charge mode the regulation voltage is internally set The constant charge current is programmable with a single sense resistor 2 Deeply discharged batteries are automatically trickle charged at 17 5 of the programmedconstant charge current until the cell voltage exceeds 75 of the regulation voltage inover charge mode The over charge is terminated once the charging current drops to 38 of theconstant charge current then DD30CRTA will enter float charge mode A new ch