Balmar SmartLink

11 reviews
Content rating
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About this app

Connect to The Balmar Bluetooth Gateway (SG2-0300) to communicate with the Balmar SG200 Battery Monitor, and future Balmar SmartLink products.
Updated on
Jul 14, 2023

Data safety

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No data shared with third parties
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No data collected
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Ratings and reviews

6 reviews
A Google user
October 23, 2019
On the plus side, it does display data and update firmware in attached devices. However, it disables any attached displays without changing their presentation. They just stop updating, displaying stale data. When the app is disconnected, the displays remain static and unresponsive. They each have to be rebooted after using the app. Not acceptable.
1 person found this review helpful
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November 7, 2019
Duane, The behavior you state is likely because you have not updated the firmware on the devices. Once you update the Gateway, color display and SmartShunt firmware, the displays will show "App Connected" when the app is active. It should also fix the issue with reboots. Please contact support at if you have further issues.
Mike Trant
September 17, 2020
I like the app. Great way to monitor the battery banks. However, not sure why phone location setting must be turned on to use the app. This should not be required as location has nothing to do with the batteries. Just finished a 2 week cruise on the boat using new Balmar alternator setup & SG200. Stayed on moorings the entire time and charging & monitoring worked beautifully. Great products !!
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July 20, 2020
Mike, I understand - but it something that Google forces on us - not something we want, as it can create confusion. We cannot use the Bluetooth radio without location services turned on.
michael evans
April 13, 2022
The gateway and/or phone frequently hang requiring a power cycle of both. Will not recognize the mc-618 even after update to latest firmware. Not quite ready for deployment. Great idea though. Last update just hangs on dfu 0% on upgrade but better than the ios version that does not even see the gateway.
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What's new

SG230, SG235, SG240 Only (SG2-0130, SG2-0140 SmartShunts) Fixes bug where an MC-618 connected to the SmartLink network would stop alternator charging