Lithium Battery Gauge - Single - Rectangle Vertical DisplayThe most advanced and reliable battery gauge on the market!Each Lithium Battery Gauge includes a Current Transducer (CT). What does this mean for you? Accurate real-time state of charge reading. Typical gauges cannot precisely detect lithium battery levels as they charge/discharge. The CT allows the gauge to accurately track amp-hours in and amp-hours out.PROView Link(TM) is a mobile app that allows you to monitor and manage the condition of your batteries.From your smart device you can: View real-time data as charging is in process Review charging data history (up to 200 Cycles) Know if your equipment is fully charged or where it is in the process See exactly when a charger was plugged Features: Accurately displays battery state/charge status PROView Link(TM) compatible - PROView(TM) Link is a mobile app that allows you to monitor and manage the condition of your batteries Easy installation Durable and water-resistant Easy to read color-coded LEDs Uses intuitive technology to adapt to a wide range of applications All units include a Current Transducer (CT) Common Applications: Watercraft Golf Carts Utility Vehicles Aerial Lifts Lift Trucks Scrubbers Lawn Equipment Emergency Vehicles and more... This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns. Brochure (pdf)