My Account
Shopping Cart

NewMar 12-12-3I DC-DC Power Stabilizer Converter 12V 3A

Manufacturer

NewMar

<h3>NewMar: Trusted DC Power Solutions for Over Five Decades</h3> <p>NewMar has established itself as a premier manufacturer of high-quality DC power products, bringing more than 50 years of engineering excellence to the automotive, marine, and telecommunications industries. Known for their rugged construction and intelligent charging technology, NewMar products deliver reliable performance in demanding environments ranging from emergency service vehicles to off-shore marine applications.</p> <p>The company's reputation is built on a foundation of innovation and quality control. With complete in-house manufacturing capabilities including CNC machining, PCB design and assembly, and comprehensive function testing, NewMar maintains exacting standards throughout the production process. This vertical integration ensures that every product meets the brand's stringent reliability requirements, making NewMar a trusted choice for professionals who depend on consistent power delivery.</p> <h3>Advanced Battery Charging Technology</h3> <p>At the heart of NewMar's product lineup is their proprietary Phase Three smart charging technology, which sets the standard for intelligent <a href="/11280-newmar-vehicle-battery-2476">vehicle battery</a> management. Unlike conventional chargers that can overcharge or undercharge batteries, NewMar's three-stage charging process—bulk, absorption, and float—optimizes charge cycles to maximize battery performance and extend service life. The chargers feature adaptive voltage regulation that automatically adjusts for different battery types including flooded lead-acid, AGM, and gel-cell configurations.</p> <p>NewMar battery chargers are engineered for hostile environments, with rugged stainless steel cases, polyurethane-coated circuitry for corrosion resistance, and sealed construction that prevents dust and moisture intrusion. These chargers can withstand the punishment of off-road vehicles, mining equipment, and marine installations where reliability is non-negotiable. Multiple isolated output banks allow simultaneous charging of separate battery systems, while integrated current limiting prevents damage from overloading.</p> <h3>Remote Starting and Power Accessories</h3> <p>Beyond battery charging, NewMar offers specialized power management solutions including <a href="/11280-newmar-remote-vehicle-starter-kit-14550">remote vehicle starter kits</a> designed for professional and recreational applications. These systems integrate with NewMar's broader power distribution ecosystem, providing seamless compatibility with battery integrators, DC converters, and power supplies.</p> <p>The brand's Battery Integrator products exemplify NewMar's engineering philosophy: intelligent solutions that solve real-world problems. These devices act as smart switches, connecting independent battery banks during charging while isolating them during discharge, allowing users to maintain separate house and engine-start batteries without voltage drop issues common to traditional diode isolators.</p> <h3>Built for Professional Applications</h3> <p>NewMar's commitment to quality has made their products the choice of professionals across multiple industries. From powering critical communications equipment in remote telecom sites to maintaining emergency vehicle battery systems in fire departments, NewMar products deliver when failure is not an option. The company's extensive product line includes DC power systems, inverter-chargers, UPS systems, and a full range of installation accessories, all backed by comprehensive warranties and technical support. Whether you're outfitting a commercial vessel, upgrading an emergency response fleet, or maintaining mission-critical equipment, NewMar provides the reliable DC power solutions that professionals demand.</p>

Part Number

12-12-3I
07/13/2036 12:57 PM
Sale Price

$243.82

In Stock (8)

delivery box

Usually delivered within 2 days

free shipping

FREE SHIPPING

Authorize Seller Badge
No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The NewMar 12-12-3I is a precision DC-DC power stabilizer designed to feed sensitive electronics with consistent, regulated voltage regardless of battery condition. This stabilizing converter provides continuous, precisely regulated 13.6V output over the entire range of a battery's usable voltage (10-16V input), preventing fluctuating input voltage that can cause equipment shutdown, diminished performance, or damage to sensitive circuitry.

Key Features:

  • Operates electronics at optimal input voltage, even from nearly drained batteries
  • Total input/output isolation virtually eliminates conducted line noise
  • Permits connection of negative ground gear to positive or floating ground systems, or vice versa
  • Boosts voltage to compensate for voltage drops in long wire runs from batteries
  • Eliminates voltage drops during momentary high current drain, such as during engine start
  • Can be modified for use as a battery charger for maintaining batteries at great distances from primary voltage source
  • Rugged anodized aluminum heat sink case ideal for marine applications

Technical Specifications:

  • Input Voltage: 10-16 VDC
  • Input Current: 4A maximum
  • Output Voltage: 13.6 VDC
  • Output Current: 3A continuous, 3A intermittent
  • Ripple: 150 mV peak-to-peak maximum
  • Regulation: 1% line/load
  • Switching Frequency: 40 kHz
  • Efficiency: 85% typical
  • Idle Current: Less than 100 mA (including power indicator light)
  • Isolation: 250 VDC (output/chassis and input/chassis)
  • Dimensions: 3.5" H x 3.5" W x 1.75" D
  • Weight: 1 lb

Duty Cycle Ratings:

  • Intermittent: 20 minutes maximum on time, 20% duty cycle with current limit set at approximately 105% of intermittent rating
  • Continuous: 24 hours, 100% duty cycle
  • Operating Temperature: 0-50°C (derate linearly from 100% at 40°C to 50% at 50°C; thermal shutdown at 70°C case temperature)

Construction:

  • Anodized aluminum heat sink case
  • Front panel terminal block for easy wiring
  • Heavy-duty mounting flange
  • Conformal-coated PC board for protection against moisture and contaminants

Available Options:

  • Operation as battery charger (contact factory)
  • Parallel/redundant operation capability (contact factory)
  • Extreme vibration mounting kit for high-vibration vehicles (specify KIT-L for 2-15 lb units, KIT-H for 16-70 lb units)
  • Non-standard output voltage (contact factory)

The 12-12-3I is ideal for marine, RV, and mobile applications where stable power is critical for navigation electronics, communication equipment, and other sensitive devices. This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns.

Good selection and price fast delivery.

Easy peasey

I placed the order online with no problem, and I received my order a couple of days later. Item was as described and the price was competitive with other vendors.

Easy check out thanks hope packaging is great and product shows in good condition.

Great service and good price!

worked as planned

Very good pricing!

Great price and free ground shipping. What more can I ask for?

I spoke to a customer rep she was very helpful and told me she would look out for my payment and would expedite my transaction

Share icon
Return Policy
Returns are easy at Boatplicity

Not happy with a purchase? No problem. We've made returning items as easy as possible. And most purchases can be returned for free for 30 days. Learn more about our Returns Policy