Specifications Battery Type: Fit all type of 12V AGM, GEL, Flooded(Wet), Calcium type deep cycle, maintenance free batteries(NOTE: LITHIUM BATTERY DISABLED.) AC Input: 110-220V (50-60Hz) Output Voltage: 13.8-15.5V Output Current: 12V 6A(MAX) Output Not Load: 13.8V Output line length: 65cm Input line length: 90cm Size: 150*85*62mmProduct Features: Smart--Buttons AI smart chip, the latest upgraded -button in 2020, multiple protection. Advanced Repair Mode Built-in advanced battery REPAIR mode to help to recover old/idle batteries and extend battery life. The high frequency and low frequency technology has good repair and activation effects. Multiple Protections Spark protection, short circuit protection, reverse polarity protection, overcurrent protection, overtemperature protection, low voltage protection, Full Power Auto Stop Intelligente Summer/Winter Mode The smart charger can automatically detect outside temperature, then aoto-switch between SUMMER or WINTER mode and self-appropriate raise and reduce the charging voltage.(Note: The temperature will be automatically detected without setting, and the will not be displayed in the constant temperature mode between 9-25℃) High-quality Materials Adopt ABS flame retardant shell for fire resistance/strong Durable without fear of bad environment High Temperature Heat Dissipation High temperature intelligent adjustment, can automatically adjust the charging current according to the temperature environment, and comes with a cooling fan to provide perfect charging in summer.Package includes 1 x Car battery charger