Top 10 Best Optima Battery Tender

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.

Meet the GENIUS2X2 - A two-bank battery charger for charging multiple batteries. It's the all-in-one universal charging solution - battery charger, battery maintainer, trickle charger, float charger, plus battery desulfator.. Multiple banks - A two-bank battery charger maintainer rated a 4-amps - 2-amps per bank - designed to charge and maintain multiple vehicles like cars, motorcycles, ATVs, boats, RVs, trucks, lawn mowers, tractors and more.. Do more with Genius - Designed for 6-volt and 12-volt sealed lead-acid automotive, marine, RV, powersport, and deep-cycle batteries, including flooded, gel, AGM, SLA, VRLA and maintenance-free, plus lithium-ion batteries lifepo4.. Enjoy precision charging - An integrated digital thermal sensor detects the ambient temperature and alters the charge to eliminate over-charging in hot climates and under-charging in cold climates.. Charge dead batteries - Charges batteries as low as 1-volt. Or use the all-new force mode that allows you to take control and manually begin charging dead batteries down to zero volts.. Restore your battery - An advanced battery repair mode uses slow pulse reconditioner technology to detect battery sulfation and acid stratification to restore lost battery performance for stronger engine starts and extended battery life.. Beyond maintenance - It's not just a battery trickle charger, it's an advanced battery charger maintainer. A fully-automatic, worry-free smart battery charger for everyday use - 247 - with zero overcharge.. Compatible with all types of gas and diesel vehicles - Charge and maintain cars, automobiles, motorcycles, dirt bikes, scooters, mopeds, lawn mowers, ATVs, UTVs, tractors, trucks, SUVs, RVs, campers, trailers, boats, PWCs, jet skis, snowmobiles, golf carts, classic cars, and more..

Safety with ETL Listed Spark proof during lead connection, reverse polarity protected and includes a 8 foot output cord and 2 year warranty. Perfect for all lead-acid, flooded or sealed maintenance free batteries AGM and gel cell, also Complete 4-step charging program Initialization, Bulk Charge, Absorption Mode, Float Mode. Small size 3.9 x 2.4 x 1.25 in and suitable for Most Vehicles adapts to all kinds of 12V battery for automobiles, motorcycles, ATVs, personal watercraft, RVs, boats, airplanes, golf carts, back-up generator systems lawn mower, etc, batteries using either the ring or alligator connectors, automatically switches to float, maintenance voltage after fully charging the battery. Intuitive LED indicators provide visual state-of-charge feedback and diagnostic information, even when in maintenance mode.. It will charge and maintain your battery so that it is ready to go when you are It's lightweight, fully automatic and easy to use.

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.

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.

Unique reconditioning mode, built-in-temperature sensing capabilities. Completely sealed unit, spark proof and reverse - polarity protected. Premium input and output cable with robust strain relief. Ideal for start-stop systems, 100-120VAC, 50-60Hz. Start voltage 2.0 V, Battery capacity 1.2160 Ah.

STAY CHARGED The 4 amp car battery charger automotive provides a full charge to your machine's battery before automatically switching to float mode to maintain 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 maintain an optimal charge level for 6 and 12 volt batteries alike. HIGH POWERED 4 amp switchable car battery charger automotive delivers a powerful charge to keep your car, SUV, pickup truck, or boat battery at peak performance by providing reliable engine starts and extended battery life. EASY TO USE A low maintenance design that's quick and simple to use, our switchable automobile charger and maintainer is compact and lightweight to operate everywhere, even in small storage spaces. SAFE AND SECURE Our car battery charger automotive 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.

RELIABLE POWER Delivers 1.5 Amp maintain to power sport, car, or marine batteries compatible with standard, AGM, and deep-cycle batteries. SMART CHARGING Microprocessor-controlled automatic amperage rate adjustment and multi-stage charging for added precision, safety, and battery life. FLOAT MODE Float-mode monitoring automatically maintains optimum battery life. VOLTAGE DETECTION Automatically detects 6V or 12V batteries. SAFE AND RELIABLE Reverse hook-up protection prevents the charger from operating if the clamps are reversed.

Meet the GENIUS5 - Similar to our G3500, just better. It's 34 smaller and delivers over 65 more power. It's the all-in-one universal charging solution - battery charger, battery maintainer, trickle charger, float charger, plus battery desulfator.. Do more with Genius - Designed for 6-volt and 12-volt sealed lead-acid automotive, marine, RV, powersport, and deep-cycle batteries, including flooded, gel, AGM, SLA, VRLA and maintenance-free, plus lithium-ion batteries lifepo4.. Enjoy precision charging - An integrated digital thermal sensor detects the ambient temperature and alters the charge to eliminate over-charging in hot climates and under-charging in cold climates.. Charge dead batteries - Charges batteries as low as 1-volt. Or use the all-new force mode that allows you to take control and manually begin charging dead batteries down to zero volts.. Restore your battery - An advanced battery repair mode uses slow pulse reconditioner technology to detect battery sulfation and acid stratification to restore lost battery performance for stronger engine starts and extended battery life.. Beyond maintenance - It's not just a battery trickle charger, it's an advanced battery charger maintainer. A fully-automatic, worry-free smart battery charger for everyday use - 247 - with zero overcharge.. Compatible with all types of gas and diesel vehicles - Charge and maintain cars, automobiles, motorcycles, dirt bikes, scooters, mopeds, lawn mowers, ATVs, UTVs, tractors, trucks, SUVs, RVs, campers, trailers, boats, PWCs, jet skis, snowmobiles, golf carts, classic cars, and more.. Storage Temperature -22 to 140 F -30 to 60 C.

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.