Equus 3721 Battery and Charging System Monitor

Product Details

This battery and charging system monitor displays the condition of your battery and charging system instantly. It protects the engine computer and 12-volt accessories from damaging surges when jump starting or recharging. You can easily plug into the vehicle's cigarette lighter or power receptacle to monitor battery and charging system voltage. It has an LCD screen which displays the measured voltage with a bar graph to indicate battery charge level and it also has color-coded LEDs which quickly identify the battery's charge status. The head pivots for easy viewing and angle adjustment.

• Displays the condition of the battery and charging system
• Designed for 12-volt negative ground systems
• Protects the engine computer and 12-volt accessories from surges
• Easily plugs into a cigarette lighter or power receptacle
• Head pivots for easy viewing and angle adjustment

Customer Reviews ::

Essential if driving an older car - Thomas Liang -
Well, this monitor did the trick, for now all I do is plug it in the cigarette lighter, and voila, I can tell if it's charging. As said, most times it's charging, but now I have the security of knowing if/when it's not, and I don't have to spend over 0 to get a new starter motor but at least the mystery is solved. The monitor also indicates the battery voltage when the motor is not running there's a nice diagram that comes with it that tells you what's good and what's not. If you have a suspicious electrical charging system, I highly recommend it. I have a 9 year old toyota truck that has a questionable system. It charges most of the time, but I never knew when unless I actually got out and put a voltmeter on the battery with the engine running.

Recommend : The Biggest Selection of Automotive Parts