Battery Tender® 6V/12V, 4 AMP Selectable Battery Charger - Available at Walmart PowerPlus which prevent overcharging or discharging

which prevent overcharging or discharging your batteries

and the same ISM (Infinite Sequential Monitoring™) intelligence that has protected batteries since 1965

and 2000 peak Amp jump starting covers virtually every power need in one portable battery jump starter pack

As a permanent on-board charger

Commercial trucks and fleet vehicles with complex multi-bank setups

Battery Tender® 6V/12V, 4 AMP Selectable Battery Charger - Available at Walmart PowerPlus which prevent overcharging or dischargingThe fully automatic Battery Tender 4 AMP is a top of the line 12V or 6V switchable battery charger, perfect for automotive, motorcycle and marine repair and maintenance shops. With 3x the power of the Battery Tender plus this charger is versatile and powerful. Equipped with a simplified 4 Step Automatic charge process. All Battery Tender chargers automatically switch from full charge to float charge mode. Reverse hook up protection makes connecting