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Balmar SG210 Battery Monitor Kit with Bluetooth Gateway

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

SG210
09/22/2036 2:27 PM
Sale Price

$335.84

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Product Details

The Balmar SG210 Battery Monitor Kit provides comprehensive battery management with advanced monitoring capabilities for marine, RV, and off-grid power systems. This complete kit includes everything needed to track your battery bank's performance with exceptional accuracy.

Key Features:

  • State of Charge (SoC%): Displays battery state of charge with 97% accuracy after the system learns your battery characteristics
  • State of Health (SoH%): Proprietary self-calibrating algorithm determines battery aging and capacity degradation from original specifications
  • Real-Time Current Monitoring: Shows instantaneous charge and discharge current flowing in or out of your house battery bank
  • Time Remaining Calculations: Estimates time until battery is empty during discharge or time until fully charged during charging cycles
  • Bluetooth Connectivity: Integrated Bluetooth gateway enables wireless monitoring and configuration via smartphone app

Complete Kit Includes:

  • Color display unit for easy viewing of battery status
  • SmartShunt current sensor for precise amperage measurements
  • Smartlink communication cable for system integration
  • Bluetooth gateway for wireless connectivity

The SG210 uses intelligent algorithms to learn your battery's unique characteristics over time, providing increasingly accurate state of charge readings. The system continuously monitors voltage, current, and temperature to deliver reliable battery management data, helping you maximize battery life and prevent unexpected power loss.

Products specifications

Voltage

12-48

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