Top 8 Best Marine Battery Tenders For Boats

All the charging characteristics of the Battery Tender Junior fully-automated SuperSmart charging and maintaining, spark proof, reverse polarity protection, and short circuit protection. The interior is completely encapsulated, protected from shock, vibration, and moisture by an electrically insulating, thermally conductive, flame retardant, synthetic epoxy resin compound. This charger is no larger than a standard computer mouse yet packs 800 milliamps of pure constant current charging power and is listed in the California Appliance Efficiency Database. Includes alligator clips and ring terminals, and is perfect for all outdoor types of ATV's, watercraft, motorcycles, boats, or anywhere water is a threat, including lead-acid, flooded or sealed maintenance free batteries AGM and gel cell.. AC Power Cord Length 6 ft.- 18 AWG DC Output Cord Length 4.5 ft. - 18 AWG DC Output Accessory Length 1.5 ft.. Solid new addition to the Battery Tender family of charger products. This compact 800 mA battery charger has all the charge characteristics of its cousin the Battery Tender Junior. It incorporates highly efficient surface mount technology electronic components. The interior is completely encapsulated, protected from shock, vibration, and moisture by an electrically insulating, thermally conductive, flame retardant, UL recognized, synthetic epoxy resin compound. It's tough, affordable, and a strong, innovative battery charging solution.

4 CHARGING STATIONS Charge four 12 volt batteries at 1.25 AMPs simultaneously automatically switches from full charge mode to float charge mode. BATTERY CHARGING Charges and maintains batteries for motorcycles, ATVs, personal watercraft, lawn mowers, and dirt bikes. BATTERY MAINTAINING Maintains battery charge at the ideal storage voltage for cars, SUVs, pickup trucks, and boats. SAFETY FEATURES This battery charger features reverse polarity protection, a 72-hour safety timer shutoff, and is spark proof. COMPATIBLE BATTERIES Can be used with AGM, sealed maintenance free, and flooded batteries without the damage caused by trickle chargers.

Solid state two color LED indicates stage of charger spark proof and reverse polarity protected. Two independent charging stations, each providing 12 volts1.25 amps, with temperature compensation to ensure optimum charge voltage according to ambient temperature. Complete 3-step charging program Initialization, Bulk Charge, Float Mode allows for optimization of battery power, without overcharging. Perfect for all AGM absorbed glass mat, sealed maintenance free and flooded batteries. 2-year limited warranty.

Designed for 12 volt lead acid, AGM, and gel batteries in ATVs, personal watercraft, motorcycles, boats, or other recreational vehicles that may be exposed to the elements. Mountable on or in vehicle, water resistant, shock and vibration resistant. Spark-proof and reverse polarity protected. Includes 12V, 800mA battery charger, ring terminal and alligator clip connectors, 12 ft cord reach, 3-year warranty and lifetime customer support. Unit Dimensions 4.35 x 2.75 x 1.5 Unit Weight 1 lb charger only.

STAY CHARGED Provides a full charge to your powersports vehicles battery before switching to float mode to maintain proper voltage levels for safe, long-term storage without overcharging. EXTEND BATTERY LIFE Compatible with all 12V lead-acid, flooded, AGM, and gel cell batteries. Complete 4-step charging program Initialization, Bulk Charge, Float Mode allows for optimization of battery power, without overcharging. INCLUDES 12V, 1.25 AMP battery charger, fused ring terminal and alligator clip accessory cables, 10-year warranty, and lifetime customer support. EASY TO USE Low maintenance design is quick and easy to use, this universal powersport vehicle charger and maintainer is 4.87 x 3.25 x 2.93 inches, 1.45 lbs charger only. MONITOR POWER LEVELS Solid state two-color LED light indicates the state of the charge and if the battery voltage drops too far under load, charging will resume full charger output power.

STAY CHARGED Battery Tender battery chargers and maintainers provide a full charge to your powersport vehicles battery before switching to float mode to maintain proper voltage levels for safe, long-term storage. EXTEND BATTERY LIFE Compatible with all 12V lead-acid, flooded, AGM, and gel cell batteries. Complete 4-step charging program Initialization, Bulk Charge, Absorption Mode, Float Mode allows for optimization of battery power, without overcharging or battery damage. INCLUDES 12V, 750mA battery charger and battery maintainer with 12-foot output cord, fused-ring terminal harness for hard-to-reach batteries and alligator clip accessory cables, 5-year warranty, and lifetime customer support. SIMPLE SAFE Low maintenance, easy-to-use, universal battery charger is just 3.3 x 1.3 x 2.4 inches, 1 lb charger only. Spark-proof circuitry ensures no-spark connections, and automatic reversed hook-up detection verifies correct connection. MONITOR POWER LEVELS Two-color charge status LED light indicates the state of the charge and if the battery voltage drops too far under load, adaptive charging will resume full charger output power. Automatic charge cycle functionality switches to float mode after fully charging the battery.

5 CHARGING STATIONS Charge five 6 or 12 volt batteries at 4 AMPs simultaneously automatically switches from full charge mode to float charge mode. BATTERY CHARGING Charges and maintains batteries for cars, SUVs, pickup trucks, RVs, motorcycles, ATVs, personal watercraft, lawn mowers, and dirt bikes. INCLUDED COMPONENTS This unit comes with 5 alligator clamps and a 6-foot AC power cord charges batteries without the damage caused by trickle chargers. SAFETY FEATURES This battery charger features reverse polarity protection, a 25-hour safety timer shutoff, and is spark proof. COMPATIBLE BATTERIES Can be used with AGM, standard, GEL, and lithium batteries charges lithium batteries at 12 volts only.

STAY CHARGED 3 AMP automotive battery charger provides a full charge to your car, SUV, or truck battery before switching to float mode to maintain proper voltage levels without overcharging or damaging the battery. VERSATILITY Compatible with 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. INCLUDES 3 AMP selectable voltage 12V or 6V battery charger, ring terminal and alligator clip cable connections, 5 year warranty, and lifetime customer service. HIGH POWERED This three AMP automotive battery charger delivers a powerful electronic charge to keep your vehicle running at peak performance providing stronger, more reliable engine starts and extending battery life. SAFE AND SECURE Spark-proof during lead connection, this car battery charger automatically detects reverse polarity to ensure a correct, locked-in connection before providing power.

STAY CHARGED 12V Battery Charger, 800mA Selectable Lead AcidLithium Battery Charger It will keep your battery fully charged so that it is ready to go when you are. LEAD-ACID AND LITHIUM Power lead-acid AGM, flooded, or gel or lithium LiFePO4 batteries with this smart charger and maintainer by switching to the desired battery type with the push of a button. SUPERSMART TECHNOLOGY An ISM microcontroller constantly updates charge sequence to ensure the proper level is sent to your motorcycle, ATV, UTV, personal watercraft, or scooter battery at all times. EASY TO USE A low maintenance design that's quick and easy to use, our power sport 12v battery charger and maintainer is lightweight and compact allowing it to operate everywhere even in small spaces. SAFE AND SECURE Our 12 volt battery charger and maintainer is spark-proof during lead connection and automatically detects reverse polarity to ensure a correct, locked-in connection before providing power. 5 Year Industry Leading Warranty.