Battery Tender 4 AMP Battery Charger and Maintainer – Automotive Switchable 12V or 6V Smart Automatic for Cars SUVs and Trucks – Lead Acid, AGM, Gel, & Lithium Battery Charger – 022-0209-BT-WH

DescriptionThe fully automatic 4 Amp Power Tender is a among the finest 12V or 6V switchable battery charger, perfect for automotive, motorcycle and marine repair and maintenance shops. Flow / maintenance function maintains batteries at proper storage voltage without the damaging effects caused by trickled chargers. The integrated smart controller assures that your battery is charged safely and accurately all the time through our ISM (Infinite Sequential Monitoring). The ISM adapts to the battery’s needs hundreds of times per second to deliver the proper amount of charge. With reverse polarity protection and spark-proof operation, you’ll be able to connect it and fail to remember it!

Stay Charged: The 4 amp car battery charger automotive provides a full charge to your machine’s battery before automatically switching to Flow mode to handle proper voltage levels for your battery without overcharging
Fully Selectable: With the push of a button, easily switch from AGM or flooded and lithium ion (LiFePO4) batteries to provide and handle an optimal charge level for 6 and 12 volt batteries alike
Includes: 4 AMP battery charger, ring terminal and alligator clip combo cable, 5 year warranty, and lifetime customer service
Monitor Power Levels: A solid state two-color LED light indicates the charging status and if the battery voltage drops too far under load, ISM adaptive charging will resume full charger output power. It is UL/CSA, CE and BC approved
Protected and Protected: Spark-proof all through lead connection and automatically detects reverse polarity to ensure a correct, locked-in connection before providing power
VERSATILITY: Compatible with lithium (LiFeP04), lead-acid, flooded or sealed maintenance free batteries (AGM and gel cell), this charger works with 6 volt and 12 volt batteries with the push of a button