Schumacher Electric 2A Car Battery Charger & Maintainer, 6V/12V – SC1678

Brand Schumacher Electric Color Gray Product Dimensions 3.3"D x 5.5"W x 1.7"H Item Weight 6.4 ounces Output Voltage 12 volts_of_direct_current, 6 volts_of_direct_current
About this item ONE CHARGER, EVERY RIDE: This 3-in-1 charger, maintainer, and desulfator supports 6V/12V charging for car, marine, and power sport batteries. Works with wet cell, gel, deep-cycle, EFB, standard, maintenance-free, calcium, AGM, and lithium battery types. EXTENDS BATTERY LIFE: Automatic operation and repair mode maintain battery health and restore lost performance to old batteries. Keep your garage ready and avoid emergencies with smart trickle charge technology. REVIVES DEAD BATTERIES: Do not let a drained battery stop you. The powerful low-voltage override mode manually starts charging on batteries depleted under one volt to get you back on the road. CONNECT WITH EASE: Schumacher's patented 2-in-1 clamp design converts quickly from battery clamps into ring leads. The low profile allows access to tight spaces in modern vehicles. COMPLETE PACKAGE: Includes (1) SC1678 Fully Automatic Battery Charger and Maintainer, (1) clamp assembly, (1) user manual SCHUMACHER LEGACY: Schumacher Electric has manufactured quality automotive power products since 1947—a legacy of reliability you can count on when it matters most › See more product details

From the manufacturer

One Tough Device for All Your Battery Technology Whether you are managing high-performance modern lithium setups or standard lead-acid vehicle systems, you need gear that stands up to the challenge. The Schumacher SC1678 delivers exceptional, fully automatic battery care designed for both 6V and 12V configurations. With a powerful 2A charge and maintain rate alongside dedicated modes for Wet Cell, Gel, AGM, and Lithium (LiFePO4) batteries, this compact unit acts as a smart charger, maintainer, and automated desulfator to keep your entire garage optimized and ready to roll.

Advanced Diagnostics That Bring Powerless Batteries Back to Life Don't let a severely discharged battery ruin your schedule. The SC1678 features an innovative manual override mode that sends the system to start charging even when a battery is critically depleted to under one volt. With its multi-stage micro-managed charging process and continuous float-mode monitoring, it optimizes battery health automatically while safely identifying bad batteries that are beyond repair.

Foolproof Protection Built Directly Into Every Charge We believe that battery maintenance should be completely stress-free. That is why the SC1678 is engineered with built-in safety mechanisms that protect both you and your vehicle's electrical components. The reverse hook-up protection indicator illumuninates and stops the flow of electricity if the clamps are accidentally attached to the wrong terminals, while the spark-resistant construction keeps your workspace safe from accidental arcs.

Form Meets Advanced Hardware Functionality Every element of the SC1678 is optimized for tight, hard-to-reach vehicle configurations. The patented 2-in-1 low-profile clamps utilize Flex Eyelet technology, letting you swap from heavy-duty clamps to permanent ring leads by removing a single screw. Encased in an all-weather, dust- and water-resistant IP66 rated housing featuring a built-in 360° foldable swivel hook and permanent mounting holes, it includes clear LED indicators so you can view your mode, battery type, and real-time status at a glance.

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Customer Reviews

4.2 out of 5 stars 7

4.3 out of 5 stars 38

Price

$39.99$39.99 $46.68$46.68

Amperage Rate
2-Amp Charge & Maintain Rate 3-Amp Charge & Maintain Rate

Voltage Compatibility
6V and 12V Systems 6V and 12V Systems

Enclosure Protection
Weather Resistant / IP66 Dust & Water Resistant Weather Resistant / IP66 Dust & Water Resistant

Power Cord Setup
Integrated 6-Foot AC Power Cord Integrated 6-Foot AC Power Cord

Hardware Attachments
2-in-1 Clamps + Folding Hook & Mounts 2-in-1 Clamps + Folding Hook & Mounts

Best Suited For
Perfect for DIYers and mechanics needing reliable maintenance for motorcycles, ATVs, and cars. Ideal for seasonal vehicle storage where a continuous, smart trickle charge is required to preserve battery lifespan. Heavy-duty commercial fleets, massive diesel trucks, agricultural equipment, and professional workshop environments.

Why Customers Prefer It
Customers prefer it because it delivers steady, long-term battery preservation via float monitoring and automatic desulfation, ensuring that stored vehicles stay perfectly protected without risking overcharging damage. Precision trickle charging that protects your battery from freezing temperatures, ensuring reliable starts all winter long.

Equip your garage with the RUGGED BY SCHUMACHER™ SC1678, a 2A car battery charger and maintainer engineered for the automotive enthusiast who demands reliability. For over 75 years, Schumacher Electric has defined the standard in power conversion, delivering innovation that professionals and consumers trust. This is not just a charger; it is a complete battery management system designed to keep your vehicles ready for action. Whether you are maintaining a classic car, prepping a boat for the season, or ensuring your daily driver starts every time, this 3-in-1 device delivers. It functions as a battery charger, maintainer, and battery desulfator, compatible with almost any 6V or 12V lead-acid, AGM, gel, or lithium (LiFePO4) battery. The smart microprocessor technology automatically adjusts the amperage rate to charge and maintain without overcharging, ensuring your battery stays at peak health. The precision trickle charging capability keeps your battery fully charged during storage without damage. Dead batteries happen, but they do not have to ruin your day. The SC1678 features a specialized low-voltage override mode that allows you to manually start charging on batteries depleted less than one volt. For aging batteries, the built-in repair mode works to reverse damage and extend useful life, saving you money on replacements. Built for the real world, this unit features an IP66-rated casing that is water and dust resistant, making it perfect for under-the-hood work. The patented 2-in-1 clamps feature Flex Eyelet™ Technology, allowing you to switch from clamps to ring leads in seconds. With a 6-foot power cord and 7-foot booster cables, you have the reach needed for any setup. Backed by a 3-year warranty, the SC1678 represents the quality and durability that has made Schumacher a leader in the industry.