Medium Dual Battery Kit

True® Medium Dual Battery Kit – Under the hood kita compact and reliable dual battery solution designed for vehicles with limited engine bay space. It allows you to safely run accessories such as winches, lights, compressors, and fridges without draining your starting battery. The smart isolator automatically manages charging between the main and auxiliary batteries, ensuring dependable power for both starting and accessories. Ideal for off-road, 4WD, and work vehicles that need extra power under the hood. Specification Attribute Specification Model DBK12MEDIUM Amperage Rating 140 Amp Voltage Compatibility 12V DC Systems Cut-In Voltage 13.3V Cut-Out Voltage 12.8V Waterproof Rating IP65 Certified Operating Temp −30°C to 105°C Trusted by Leading Brands A TRUE®  exclusive! Stay Charged, Stay Protected with TRUE® Smart Isolation  The unit will work to connect different types of batteries and keep them separated when there is no charging voltage available so that they do not “balance” and reduce each other efficiency like if they are paralleled without smart management.Got a winch or plow you want to be serious about using but don’t want to worry about over working your alternator or discharging your primary battery?  Then the TRUE® Medium Dual Battery Kit is exactly what you need.Want to run those off road lights and high amp stereo without worrying about getting stranded? Then the TRUE® Medium Dual Battery Kit will handle the batteries for you!As with all the TRUE products it features easy installation requiring no connection to the alternator or ignition.All the TRUE kits include proprietary built cables that use special adhesive lined shrink tube to provide a fully waterproof corrosion -proof connection between cable and lug. The adhesive also provides the connection extra strength eliminating the possibility of the lug pulling off even in high stress and/or vibration applications. A TRUE exclusive! Testimonials from Our Amazon Store Ready to Install Everything you need, right in the box. With detailed instructions and all hardware included, you’ll go from unboxing to fully mounted in no time. Simple, solid, and DIY-ready. Heavy-Duty Wiring & Components Industrial-grade cables, terminals, and connectors handle high current loads and are built for rugged use. Frequently Asked Questions 1. What is P.E.P.® (Proprietary Efficiency Programming)? P.E.P.® is TrueAm’s smart logic that optimizes battery protection and charging efficiency.It ensures the isolator only connects when safe and beneficial for both batteries 2. Does it regulate charging amps? No, the SBI doesn’t regulate amperage. That’s handled by your alternator and voltage regulator.The SBI simply controls when the second battery is connected based on voltage thresholds. 3. How do I install it? DIY-friendly with waterproof cables, 3M Dual Lock™ fasteners, and clear wiring diagrams.Can be mounted on any clean flat surface—including directly on the battery case 4. Can I manually override or shut it off? The male connector underneath can be wired for remote shutoff.Inline switches are optional but not required—SBI handles disconnection automatically. 5. How do I monitor battery status?  Optional Single Meter Dual Display (SMDD) shows real-time voltage for both batteries.Saves space and simplifies monitoring 6. What are the top off-road adventure destinations in the USA where dual battery setups and isolator kits are commonly used Moab, Utah Rubicon Trail, California Sand Hollow, Utah Johnson Valley, California Sedona, Arizona Glamis, California Hollister Hills, California Coconino Forest, Arizona White Rim Trail, Utah Ocotillo Wells, California Fordyce Jeep Trail, CA Hungry Valley, California Big Bear Lake, California Knik Glacier, Alaska Sawtooth Forest, Idaho Ouray, Colorado Silverton, Colorado Black Bear Pass, Colorado Imogene Pass, Colorado Black Hills, South Dakota Bighorn Forest, Wyoming Yankee Hill, Colorado Red Cone, Colorado Magruder Corridor, Idaho Custer Gallatin, Montana Pryor Mountains, Montana Tincup Pass, Colorado Silver Lake Dunes, Michigan Badlands Park, Indiana Drummond Island, Michigan Little Sahara, Oklahoma Gandy Dancer, Minnesota Dun-Good Trails, Wisconsin Bundy Hill, Michigan Appleton OHV, Minnesota SMORR, Missouri Hatfield-McCoy, WV Rausch Creek, Pennsylvania AOAA Park, Pennsylvania Windrock Park, Tennessee Uwharrie Forest, NC Brimstone, Tennessee Black Mountain, Kentucky GW Forest, Virginia Jericho Mountain, NH Reading Outdoors, PA Wildcat Park, Kentucky Ride the Wilds, NH Hidden Falls, Texas Ocala Forest, Florida Hot Springs Park, Arkansas Ozark-St. Francis, Arkansas Redneck Mud Park, Florida Barnwell Mountain, Texas Cape Lookout, NC Muddy Bottoms, Louisiana Durhamtown, Georgia Carolina Adventure, SC Big Bend Ranch, Texas Gulches ORV, South Carolina