Balmar SG200 Smartgauge Battery MonitorView all products in 12 Volt Accessories #:  43123
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Balmar SG200 Smartgauge Battery Monitor

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The SG200 is designed to monitor a battery or battery bank, which is used in deep cycling applications. It relies on the battery being discharged and then charged to learn the battery’s characteristics. This learning process may never occur on a start-only battery since it is never cycled. However, The SG200 does have two additional leads to connect to starting batteries to read voltage only.
More Details...   #43123
Brand:  Balmar
MFG Part#:   SG200
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Balmar SG200 Smartgauge Battery Monitor

Balmar's award-winning, 2nd Generation Battery Monitor, includes a SmartShunt and SmartLink Communications Cable.

The SG200 is quite simply the most accurate battery monitor available today.

Balmar has combined the best features of its 1st generation Smartgauge with many advantages of a shunt-based Amp-Hour counting system.

Further, they’ve designed a device architecture that facilitates multiple gauges or multiple shunts to be added to the network, allowing the boater to monitor multiple energy storage banks simultaneously from multiple locations.

The SG200 Color Display is easy to read, configurable and fits any standard 2-1/16” gauge socket.

Now you can determine your battery(s) condition from anywhere on the vessel or vehicle with multiple displays or add the optional Bluetooth® Smartphone App to keep information in your pocket.

The SG200s purpose is to provide the user with continuous information on various parameters of a battery or battery bank and of direct current (DC) usage in the system.

  • State of Charge (SoC%)
  • State of Health (SoH%)
  • Charge/Discharge Current Flow
  • Time Remaining
  • History, Faults & Alerts
Support for All Common Battery Chemistries & Voltages
  • Including Lead Acid, Lithium (LifePO4), Standard AGM, TPPL AGM, Carbon Foam AGM, and GEL Batteries
  • Note: All batteries on the bank being monitored by the SmartShunt should be the same size, age and chemistry.
  • Supports 12V-48V Battery Banks
Intelligent, Self-Calibrating Accuracy
  • Typically 97 % Accurate within 2 Cycles
  • Auto-Calibrating
Large, Bright Color Display
  • Sunlight Readable, Configurable & Dimmable
  • 60 Degree Viewing Angle
Expandable Architecture
  • Support Multiple Displays (Optional)
  • Supports Multiple Battery Banks  (Optional)
  • Standard Support for 2 Start Batteries (Voltage Only)
  • Simple, easy-to-install Point-to-Point Network
Optional Smartphone/Bluetooth® Gateway
  • The SG2-0300 Bluetooth gateway is a useful addition to the SmartLink network. It can be used to monitor and configure SmartLink devices through an APP on both Apple and Android smartphones and tablets. The Gateway also allows for periodic upgrading of devices as new features or improvements are rolled out.
  • View All Parameters on your Phone
  • Download Product Updates
In the Box:
  • SmartShunt, with 60” fused positive-lead wire
  • Colour Display
  • Display mounting bracket and nut
  • 10m SmartLink Cable
  • SmartLink Deutsch-style connector kit, with a connector and wedgelock.
  • Fuse for the positive wire
  • Manual

  Balmar SG200 Battery Moniter Revision D

  Balmar SG200 Catalogue Page

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Q. Do you offer Free Shipping?
A. We have free ground shipping via UPS or Canada Post within Canada on most orders of $99 or more (pre-tax).

Q. What do you mean by most orders?
A. Some items are exempt from this offer and are indicated on the product page. Exempt items are usually bulky or heavy items such as buoys. Over 98% of the items on qualify for the free shipping offer.
To see what your shipping charge (if any) will be you can add the item(s) and quantities to the shopping cart and you will see a shipping cost calculator

Q. Where do you ship from?
A. We ship from Halifax, NS

Q. What is the delivery time?
A.  NS, NB, PE: 1 - 2 business days,
      ON, QC, NL: 2- 4 business days
      MB, SK, AB: 4-5 business days
      BC: 5-7 business days
When your order ships you will be emailed a tracking number which will give you the scheduled delivery date

Q. Do you offer Express Shipping?
A. We offer Express Shipping on some orders depending on the items ordered and the delivery address. If Express shipping is available for your order you will see the option on the checkout page. If you do not see the Express option and you want Express shipping please send an email and we will provide you with a quote (

Q. Do you require a signature on delivery?
A. We sometimes add a signature requirement especially if it is a high value package

Please Note:
Very Remote areas are exempt from Free Shipping offer. These are typically remote northern areas. Nunavut as well as many parts of the Yukon and NWT are exempt from free shipping

Money Back Guarantee
Guarantee You may return your purchase to us (with a return authorization number - use this form) within 30 days and we will refund the purchase price of the product. Items which are cut to order (rope, wire etc), software, chart cards and printed materials (paper charts, books) are not returnable.

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