Battery Fuel Gauge - Marine Dual Read Battery Monitor - 12V/24V System - 15&'; Battery CableThe Pro Charging Systems (PCS) Battery Fuel Gauge solves one of the most common complaints about battery status indicators currently on the market- that most battery status indicators are not accurate or reliable. Many employ old technologies. (PCS) battery fuel gauges change that paradigm. Think of the old "Motorola Brick Phone" from the late 1980s versus today&&';;s iPhone. PCS battery fuel gauges measure a battery&&';;s energy state with precision and accurately display the information. At a glance, the gauge is easy to read and understand. Since the system utilizes intuitive technology, it fits and adapts to a wide range of applications. We take great pride in the performance, quality, and versatility of our products backed by exceptional customer service.Features: Marine Dual Read Battery Monitor 12V/24V System 15&'; Battery Cable This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns.