Category: Automotive Electronics and Accessories Review: When it comes to automotive electronics and accessories, there are a few key products that every vehicle owner should have on hand. These include battery isolators, voltage sensitive relays (VSRs), and charging relays. In this review, we will take a closer look at some of the best options available in these categories, including dual battery kits, smart isolators, and more. First up is the 12V 140 Amp Dual Battery Isolator by KeyLine Chargers - Voltage Sensitive Relay (VSR) Pro Dual Battery Kit. This product is designed to help keep your vehicle's batteries charged and protected from damage caused by short circuits or other issues. It features a voltage sensitive relay that automatically disconnects the battery when it reaches a certain level, helping to prevent overcharging and protect against damage. The kit also includes a number of other useful components, such as fuses and wiring harnesses, making it easy to install and use. Another great option for those looking for a dual battery isolator is the NVX 500 Amp Mobile Audio Relay Battery Isolator [BIR500]. This product features a high-current capacity of 500 amps, making it ideal for larger vehicles and heavy loads. It also includes a number of other useful features, such as an LED indicator to show when the battery is charging or discharging, and a built-in fuse holder to protect against short circuits. For those looking for a smart isolator, the 12V 140 Amp Dual Battery Smart Isolator by KeyLine - VSR - Voltage Sensitive Relay Specially Designed for ATV, UTV, Boats, RV's, Campers 5th Wheels Off Road Vehicles Rhino Polaris Artic Cat ETC is a great option. This product features advanced technology that allows it to automatically adjust the charging rate based on the battery level and other factors, helping to ensure optimal performance and longevity. It also includes a number of other useful features, such as an LED indicator to show when the battery is charging or discharging, and a built-in fuse holder to protect against short circuits. Finally, for those looking for a simple and effective way to isolate their batteries, the JayCorp Smart Dual Battery 140A Isolator (VSR Voltage Sensitive Relay) for Auto/Boat/RV is a great option. This product features a high-current capacity of 140 amps, making it ideal for larger vehicles and heavy loads. It also includes a number of other useful features, such as an LED indicator to show when the battery is charging or discharging, and a built-in fuse holder to protect against short circuits. In addition to these products, there are a few other options that every vehicle owner should consider having on hand. These include battery switches, which can be used to disconnect the battery from the rest of the system when needed, and voltage meters, which can help you monitor the charging rate and ensure that your batteries are being charged correctly. Overall, there are a wide variety of automotive electronics and accessories available on the market today. When choosing products for your vehicle, it is important to consider factors such as capacity, features, and compatibility with your specific needs.