- Operates from 8 – 60V DC
- Two-Wire Battery Connection
- Three Auxiliary Voltage Inputs
- Provides Geo-Map Site Fuel Gauge
- Alarm for Battery End-of-Life (EOL)
- Uses Patented Bell Labs Algorithm
- Connects via Outbound Cellular Only
- For 12V Systems up to 600V (via Bluetooth)
- Installs Quickly at Any (+/-) Battery Sense Point
- Use for Equipment Alarms or Mid-String Voltage
- Target Most Critical Sites During Outages
- Postpone Scheduled Disposal of Good Batteries
- Universal – Works for Any Lead-Acid Battery
- Highly Secure / Provides Redundant Alarm Path
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White-Label Alarm Monitor & Battery Performance Tracking Service
Wireless IoT sensor is an economical and universal way to monitor power alarms and scientifically track lead-acid batteries in backup applications. The Battery on Discharge (BOD) sensor with its high-precision voltmeter-on-a-chip determines State-of-Charge (SOC) and uses the voltage-slope method* to calculate actual Time-to-Empty (TTE) during discharge. The new metric Calculated Reserve Time (CRT*) can warn of potential battery end-of-life (EOL) using 80% alarm threshold. State-of-Health (SOH) is a concern when voltage imbalance alarms or irregularities in slope occur.
Designed and made in the USA, LABRA Technology is a revolutionary IoT monitoring service for lead-acid batteries. It allows stakeholders to deploy a modern and uniform approach for tracking 6 battery metrics – from commissioning to EOL. Key is the highly secure Enterprise-grade server that fosters collaboration among the various stakeholders. With an open architecture, data can be pushed or obtained via a RESTful API.
How CRT Preditions Work
Battery settings include an Engineered Reserve Time (ERT, e.g. 8 hours) and an EOL threshold percentage (e.g. 80%). During normal float conditions, the sensor records the hourly average voltage and reports once daily to the cloud. Upon a BOD alarm, the sensor records the voltage every five minutes and reports it every 30 minutes to the cloud. At each report cycle, it also computes a new Calculated Reserve Time (CRT), as shown below. An EOL alarm occurs if the CRT value falls below 384 minutes, which is 80% of ERT preset (e.g. 80% x 480 minutes = 384 minutes).
Economic Benefit: A Battery VAR can now offer a 24×7 monitoring service along with annual PM visit to check impedance. A field-force multiplier, the labor-saving tool permits a VAR to grow revenue, while migrating from a preventive maintenance to predictive maintenance business model. Annual subscription includes AWS hosting, API (Application Programmers Interface) and Battery Dashboard “App” tracking 6 metrics including the new CRT metric. A partner OEM or System Integrator VAR can rebrand the service and create sub-accounts authorizing their own service resellers.
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