VMAX BC12M248 12 Volt 8 Amp 7-Stage Smart Charger Maintainer for 12V Batteries AGM GEL 12 Volt Charger is Fully automatic, easy to use charger and maintainer for starting, marine, mobility, and solar batteries Automatically switches from charging to maintaining when battery is fully charged; Restores deeply discharged and sulfated batteries Charging is a comprehensive and accurate charging process which gives your battery longer life and better performance compared to using traditional chargers Easy mounting: charger end plates include a mounting flange for easy mounting