ESSENTIAL DESIGN BUILT FOR LIFE

Mini Volt Meter


 

$12.50

What's Left in the Tank?


This volt meter is super tiny, minimalist, and just plain cool. It's hand-made by CandlePower Forums member "Cottonpickers." He sells them to fellow members and I thought they were such a great idea I wanted to bring them to you!

The meter is intended specifically for use with lithium-ion batteries. It will not work for alkaline, NiMh, or disposable Lithium batteries (eg. CR123) because they don't have enough voltage to drive the display.

Each wire is terminated with a small rare-earth (Neodymium) magnet that will stick to the positive and negative terminals of your battery. Just hook it up and read the voltage!

Lithium Ion batteries are at 100% charge @ 4.2V and should be recharged when they are below 3.8V. Voltage is related to battery capacity (for Li-Ion):

4.2V = 100%
4.1V = 90%
4.0V = 80%
3.9V = 60%
3.8V = 35%
3.7V = 10% (Recharge before this level to prolong battery life!)
3.5V = EMPTY

Voltage Range 3.5V-25V
Accuracy +/- .005V
Resolution 0.01V
Where it's Made

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