deschmidt27
UKC Forum Member
Registered: Jun 2008
Location: Burlington, CT
Posts: 1758 |
Mike probably has the answer to this... but if I'm not mistaken, most battery level indicators are monitoring drop in voltage, but many of the modern battery types like Lithium Ion batteries, do not have the gradual degradation of voltage, like the old alkaline batteries. They're at nearly full voltage, and then fall off the cliff.
This is why those old beep-beep tracking collars had the shockingly expensive batteries, because they were lithium. Because you wanted your battery to last at full voltage until it just went dead. Otherwise, you couldn't tell if your dog was a couple miles away or was only 100 yards away, but the collar batteries were going dead.
Meaning... with modern batteries, and simple (aka affordable) battery level indicators, you wouldn't know you were about to go dead, until moments before you do! Which as Mike has explained is already apparent by the drastic dimming of your light.
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David Schmidt
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