25.5A 6V12V 8-Stages Automatic Battery Charger and Maintainer for Automotive Car Motorcycle Lawn Mower SLA ATV Boat AGM GEL CELL Lead Acid or 12V-LithiumLiFePO4 Batteries With Winter Mode

The charger can desulfate while charging to maintain the battery, however, it is not recommended to use on a 4.5ah lifep04 lithium battery. It is recommended to use a BMS when using 4x 100ah liefpo4 in series. The charger is versatile for use on cars and scooters, though not weather proof.Customers had mixed reviews, with some stating that it works great for charging various types of batteries, including lithium, AGM and lead-acid, keeping them topped off with the correct charge setting. Others commented that it was not effective in desulfating and maintaining batteries, and that it was not worth the extra features and cost. It was mentioned that the manual selection of the appropriate battery type is easy to use and the start-up test is helpful.Overall, it seems that it is a versatile and affordable charger that performs well for most customers, but may not be effective for desulfating batteries for some.