Onebuy Car Battery Charger 12V-8A 24V-4A Automotive Smart Battery Trickle Charger Maintainer for Car Motorcycle RV SUV Lawn Mower Boat RV SUV ATV Marine Sealed Lead Acid Battery and More

?12V /8A 24V/4A Automotive Car Battery Charger/Maintainer ?Feartures: ===>Small and easy to carry. ===>Easy to operate,check the voltage then smart charge it. ===>Pulse repair function to maintain and repair battery. ===>LED display,temperature/current/voltage/electricity can be displayed directly on led screen. ===>Wide application in sealed lead-acid batteries and cars, motorcycles,etc. ===>Multifunctional protection, overcurrent,short circuit,reverse connection,overheat,overvoltage,undervoltage protection. ===>The combination of silent fan and aluminum radiator greatly extends battery life. ?Specification: Input Voltage: 100-240VAC 50/60Hz 75W Input Current: 0.5A(RMS)@230VAC Output Voltage: 12V/24V Output Current: 8A 12V & 4A 24V Material: ABS + PC housing Temperature: -10~45°C (14~113°F) Cooling: Fan Weight: 540g Dimensions: 170*98*58 mm Cable Length: 130cm/51in ?Package: 1 x Car Battery Charger 1 x User Manual ?How to Use 1. Please reconfirm your battery parameters are compatible to the charger (at the back of the charger). 2. Carefully connect the red clamp to the positive pole (+), and the black clamp to the negative pole (?). 3. Wrong battery connection warning? “EI-I-” will displayed on screen , the indicating lamp will flash. 4. Plug AC power source with the charger, charger will start to work. (Charge-lamp will start to flash in red). 5. Once the battery is fully charged, there will be letters “FUL” on screen, meanwhile, the charge indicating lamp will keep on.Highly recommend keep the charged status for 1-2 hours. 6. Charging completed, remove the charger.