Top 6 Best Dual Battery Tender

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.

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.

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.

Meet the GEN5X2 - Similar to our GENM2, only better. It's 37 smaller and delivers 43 more power. It's one of the best performing onboard marine battery chargers we have ever made.. Multiple banks - A two-bank onboard battery charger rated a 10-amps - 5-amps per bank - for 12-volt batteries, including marine, boat, starter, and deep-cycle batteries.. Charging modes - Independently charge and control each battery bank with selectable charging modes - including 12V, 12V AGM, 12V Lithium, and 12V Repair Mode - for all types of lead-acid and lithium-ion batteries.. Enjoy precision charging - An integrated 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.. Redefined mounting - A simplified mounting system allows for quick and easy installations in any direction - even up-side-down - with an integrated anti-vibration backing to isolate shock, vibration, and noise.. Designed for water - A fully-sealed and waterproof onboard battery charger with an ingress protection rating of IP68, but has survived brutal life cycle testing, including thousands of hours underwater.. What's in the box - GEN5X2 10-amp 2-bank waterproof onboard marine battery chargers 120-240VAC with a 72-Inch DC cables with 38-inch eyelets and a 72-inch Type-B AC cable, 2 self-tapping mounting screws, user guide, and 3-year warranty. Its onboard microcomputer precisely controls the charging to minimize power loss to create an incredibly compact form factor..

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.

FULLY AUTOMATIC Automatically detects 6V and 12V batteries. When the battery is fully charged, the unit automatically stops charging and shifts to maintain mode.. MICROPROCESSOR CONTROLLED After gathering information from the connected battery, the microprocessor adjusts voltage and charge, allowing fast charging without negatively impacting battery capacity and longevity.. CHARGES MOST BATTERIES The SC1410 will charge standard, AGM, and gel cell batteries.. REVERSE HOOK-UP PROTECTION With advanced reverse hook-up protection, the charger protects against damage if the clamps are not properly connected.. WALL MOUNTABLE Safely position the SC1410 outside of the work area with the included hook attachment or by mounting it to the wall..

SMART TECHNOLOGY Feature SmarTECHnology, an advanced technology made simple to use.. SAFE TO USE - Model 210-AY is a simple, safe and affordable way to connect two batteries simultaneously for easy battery maintenance.. FOR MULTIPLE BATTERIES - Use in conjunction with BatteryMINDer units designed to maintain multiple batteries. Combine with additional Y-connectors to add even more batteries to capable charger systems.. THREE IN-LINE FUSES - Features three in line, replaceable 15 Amp fuses to keep each connection protected against potential short circuits.. BULLET CONNECTOR - Each end features an automotive capped SAE bullet connector. Combine with additional Y-connectors to add even more batteries to capable charger systems..

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.

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.