How to Choose Best Automotive Voltmeter Buyer's Guide & Reviews

Note: only display and shunt are included. It doesn’t include any wire or accessories. Large-screen lcd (display voltage, current, active power, energy at the same time). Store energy data when power off(can be reset to 0). The blue backlight can be turned on/off manually. Voltage test range: dc 6.5~100v; current test range: 0~100a. With overload alarm function(if active power is larger than threshold, backlight and power will flash).

When engine running(do not drive), the led display: . Between 13.5 to 14.5 (12v car). Between 26.0 to 28.0 (24v car). Attention: for dc 12v or 24v car. Measuring range: dc 8v-30v+/-%1. What kind of batteries is healthy. This digital gauge displays the voltage of batteries in the car. With high brightness of led there is no difficulty in seeing the display. Powered by car cigarette lighter charger. Installment: insert the jack of the product into a cigar socket. Constantly monitor battery voltage, extend and protect the battery and engine life. Installment: clean the cigar socket. Insert the jack of the product into a cigar socket.

Super large input of up to dc 60v with over-current over-volt and short circuit protection, well protects the whole circuit, fits for most 12-24v car motorcycle atv utv rv vehicles and marine boat. Panel flush mount and easy to install, drill size of 1.15″ diameter, with twist & lock fastener for stable mounting, fits to almost all panel locations you desired. Embedded in 3-bit blue led digital display, clearly shows you the current precise readings of working volts, better helps you to early notice your car voltage condition. Mictuning exclusive, round double voltmeter, real time monitoring 2 battery packs of vehicles, remind you of charge or replacement in time, better avoid emergent dead battery at starting car engine.

Made of eco-friendly & flame retardant durable abs plastic and good conductivity pins with black matte surface treatment, wear and tear resistant for long lasting durability.

Waterproof design, mounts in a 1-1/8″ hole in panels up.0.25″ thick, a nylon retaining nut holds the meter in place. Mini size and easy to install, great for checking voltage. Please reasonable choice voltmeter before you purchase, and the motocycle battery is 48v, it will lead the voltage reading is incorrect. Used to monitor the storage-battery voltage, with reverse connection protection. Timely grasp the state of your battery between full charged and discharged. Voltage measurement purposes can also be used for other products. Include 2 short wires for installation. High grade flame retardant materials, ip65 waterproof, ce and rohs certify, totally environment friendly; universal fits most dc 12-24v motorbike car / boat / atv / utv / camper / caravans / travel trailer etc.

The indicator in the middle will twinkle to alarm when the voltage is more than 15v for dc 12v battery, it will twinkle to alarm when the voltage is more than 30v for dc 24v battery.

Require external power supply; with reversed connection protection. Panel flush mount and easy to install, drill size of 1.15″ diameter,, comes with 3 terminals. With twist & lock fastener for stable mounting, fits to almost all panel locations you desired. High temperature resistant, made of eco-friendly & flame retardant durable abs plastic and good conductivity pins with black matte surface treatment, wear and tear resistant for long lasting durability, ce certification. Note: 10a below ammeter (include 10a), built-in shunt, does not require external shunt over-current, over-volt and short circuit protection, well protects the whole circuit, fits for most 12-24v boat marine vehicle motorcycle truck atv utv car camper led round panel.

2-in-1 current voltage meter, real time monitoring battery of vehicles, remind you of charge or replacement in time, better avoid emergent dead battery at starting car engine.