BATTERY TENDER 12 VOLT Battery Tender - 021-0128

Charger automatically switches to Float Mode when fully chargedAbsolutely no danger of overheating or overchargingLeave it connected for months at a time if necessaryDesigned to charge AGM, sealed maintenance free, lead calcium and flooded batteriesManufacturer recommends checking battery fluid monthly4-step charging (Initialization, bulk charge, absorption mode, float/maintenance)Spark ProofTemperature compensatedShort circuit and reverse polarity protected10-year manufacturers warrantyThese chargers do NOT meet California/Oregon appliance efficiency standards