Racing is all about preparation and having the right tools to deal with any situation. Expanding the scope of your toolbox can save your race day when you find yourself in a bind and can also help keep your vehicle running smooth and fast.
Mini Voltmeter: Maker Shed $7.99
It is impossible to get to the end of an electric or nitro race without a fully charged battery. This mini voltmeter will help you keep track of the charge in your packs and make sure are always fully charged without the need for an expansive multimeter. The mini voltmeter is the size of a quarter and weights less than an ounce. It features an LED display with .1V precision. The leads are bare, so you can solder your own connector on it to mate up with you batteries to connect it quickly. It even has mounting holes that can be used to attach it to your toolbox or even mount it inside of your car.
– Available at makershed.com