Simple, easy to use and right price! Someone mentioned a short negative wire, but I could easily test a two battery bank (positive on one battery, negative on the other). However, if I had more than two batteries on the bank, it would be really useless. For those wanting to run this from a single 12v car/marine battery this is not a problem. I like seeing the battery quality indicator as well as the voltage, but the LCD is hard to see in a shadowy environment like a garage due to the glare of the bright battery quality LEDs. The LCD was supposed to be backlit, but I could just put my thumb on the bright LEDs and read the voltage. Aside from the short negative cable and no backlight on the voltage indicator (reasons I don't give 5 stars) it's great. And for the price, these flaws are certainly alive (for me).
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