My Account
Shopping Cart

Balmar MC618HC Max Charge Multi-Stage Voltage Regulator with Harness 12V

Manufacturer

Balmar

<h3>About Balmar: Marine DC Power Since 1981</h3><p>Since its founding in 1981, <strong>Balmar</strong> has built a reputation as one of the most trusted names in marine DC power. For over four decades, the company has focused exclusively on helping sailors and power boaters solve one of the most persistent challenges on the water: keeping batteries charged reliably and efficiently. That singular focus has made Balmar the go-to choice for serious mariners who demand more from their electrical systems.</p><h3>Innovative Alternator Technology</h3><p>Balmar's greatest claim to fame is its lineup of <a href="/12782-balmar-alternators-200087">marine alternators</a> — widely regarded as the highest-output and most dependable alternators available in the recreational marine market. What sets Balmar apart is not just raw output, but smart engineering. Their patented <strong>Smart Ready&reg; Alternator</strong> technology allows the alternator to communicate directly with an external regulator, enabling precise, multi-stage charging profiles that protect batteries and extend their service life. Whether you're running a modest weekend sailboat or a fully outfitted bluewater passage-maker loaded with electronics, Balmar offers an <a href="/12782-balmar-alternator-2412">alternator</a> sized and engineered for the task.</p><p>Marine environments are uniquely demanding — salt air, vibration, and the need for long, uninterrupted charging cycles put far more stress on electrical components than typical automotive applications. Balmar designs its alternators specifically for these conditions, with robust construction and thermal management that keeps performance consistent even during extended motoring passages.</p><h3>Battery Monitors &amp; Charging System Management</h3><p>A high-output alternator is only part of the equation. Knowing the true state of your battery bank is equally critical, which is why Balmar also produces a respected line of <a href="/12782-balmar-battery-monitors-volt-meters-200146">battery monitors and volt meters</a>. These instruments give mariners accurate, real-time insight into battery voltage, state of charge, and current flow — the kind of data that prevents being stranded at anchor with a dead house bank. Balmar's monitoring products are designed to integrate seamlessly with their charging ecosystem, giving you a complete picture of your DC system's health at a glance.</p><h3>Expert Support &amp; a Legacy of Trust</h3><p>Beyond the products themselves, Balmar has long been recognized for its exceptional technical support. Marine electrical systems can be complex, and Balmar's knowledgeable team has a well-earned reputation for helping customers spec the right components and troubleshoot installations. That combination of innovative hardware and genuine expertise is a big reason why Balmar has remained a privately held, customer-focused company for over 40 years — and why the brand continues to be found aboard everything from coastal cruisers to offshore racing yachts.</p>

Part Number

MC618HC
09/12/2036 6:28 AM
Sale Price

$397.40

In Stock (10)

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 Balmar MC-618HC Max Charge Multi-Stage Voltage Regulator is an advanced 12-volt charging system controller designed for marine applications with P-type externally regulated alternators. This upgraded successor to the MC-614 features Bluetooth connectivity and integrates seamlessly with the SG200 Battery Monitor for remote monitoring and control.

Key Features:

  • Intelligent multi-stage charging regulation with 9 selectable battery chemistry-specific programs including deep cycle flooded, gel, AGM, spiral wound AGM, carbon foam, and LiFePO4 batteries
  • Communicates with SG200 Battery Monitor for real-time monitoring via 2-inch color display or Bluetooth smartphone app
  • 15 amp maximum field current capacity for high-output alternator applications
  • Advanced temperature sensing and compensation for both alternator and battery when equipped with optional sensors
  • Unique lithium-ion battery protection prevents charging in below-freezing conditions when battery temperature sensor is installed
  • Adjustable belt load manager and start delay features protect engine and drive components during startup
  • 3-digit LED alphanumeric display for on-regulator programming and diagnostics
  • Capable of controlling dual alternators in twin-engine installations when used with Balmar's Centerfielder II
  • Includes complete wiring harness with power, field, ignition, stator, ground wires, and fused sensor wire pigtail

Multi-Stage Charging Process: The MC-618 automatically progresses through seven intelligent charging stages including start delay, soft ramp, bulk charging, calculated bulk, absorption, calculated absorption, and float. This sophisticated charging algorithm ensures faster, more complete charging while preventing overcharging and extending battery life.

The MC-618HC connects to the SmartLink network using an optional SG2-0404 SmartLink Adapter cable (sold separately), enabling integration with SmartShunts for comprehensive battery bank monitoring. Advanced programming functions are accessible through the Bluetooth smartphone app, while basic setup can be completed using the on-regulator controls or SG200 display.

Products specifications

Description

Regulator w/ Harness

Voltage

12

Easy website to navigate!

Hope the product is a good purchase

The quality of the hoses are not the same as OE materials.... the OE hoses have a stiffer braided hose where the aftermarket part is a flexible rubber hose that can kink.

Thx

Quick and cheap!!

I found what I needed, at a good price. My coupon code wouldn&rsquo;t work that&rsquo;s why I did not give it a five star

Awesome experience!

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