Mroinge is exporting all kinds of Automotive Accessories to the US, CA, UK, DE, and JP. The good faith for this serves the objective, wholeheartedly provides high quality, the quick service for the customer, our products have always been trusted and favored by customers. It has a microcomputer chip, is lightweight, compact, fully automatic, and very easy to use especially in small spaces, that digitally controls the 4-stages of battery charging. This battery charger will keep the battery fully charged so that it is ready to the MBC022 charger delivers maximum current until the terminal voltage has risen to the full charge level for a Normal battery. Absorption: Completes the charge up to virtually 100% at a constant voltage. The current tapers off after the current reached the minimum level. Float mode chargers indefinitely without damaging the battery. The unit is a built-in 2 color LED that indicates the stage of charging. Flashing Green: battery greater than 80% charged.