Specifications
| Attribute | Specification |
| Model | DBK12SMALL |
| 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 |
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A TRUE® exclusive!
Why a True® Smart auxiliary battery kit?
The recent trends in the electrical accessory have brought the seldom-discussed issue of an adequate power supply and reserve to the forefront.
As a distributor, the end-users are relying on your technical knowledge and skills related to the vehicle that helps car or truck owners to make a better judgment in their brand selection. To make sure it is completely functional to address its exact usage. If you failed to explain the need for additional electrical reserve capacity via auxiliary battery and appropriate isolation tools then you deserve to bear the brunt of that customer’s anger and dissatisfaction when it leaves them stranded or unable to use their vehicle. Luckily, TrueAm Inc’s True® Small Dual Battery kit is the single most efficient way to avoid these issues.
The True® Small Aux Battery Kit provides close proximity installation with a modern way of isolating dual batteries to ensure that the vehicle always has a fully charged primary battery to supply vital starting and engine functions while still making full use of the vehicle’s available charging mechanism to keep both batteries charged when the voltage is available. The simplicity is unparalleled and the comfort it guarantees is, to say the least, superior.
To make sure we have waterproof connecting cable, all cable lugs are professionally crimped and sealed with a clear adhesive lined shrink tube allowing visual confirmation of seal.
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
Testimonials from Our Amazon Store
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
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