NicholasOverstreet.com - Computers Are Hard
Description: The personal blog of Nicholas Overstreet from Chatham Illinois
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Well, I’ve come across another dying battery. This time though it’s not brand new… however, it’s not that old either. This is a Samsung 30Q battery that I was using in my daily carry Emisar D4v2 flashlight. The D4v2 has battery indicator RGB leds in it and I had noticed that my light was losing its charge between uses. At first I thought I had just used the light more than I realized, but after I carried my Convoy S2+ shorty for a week, I noticed the D4v2 was still self draining. So I gave it a full charge
The other day I picked up my Convoy S2+ flashlight as my carry light for the day, and I clicked it on to check it, and it started stepping down almost immediately. The light turned off after about 30 seconds, as the low voltage protection was kicking in, which means the 18350 Li-Ion battery in it was out of juice, and the light’s programming was shutting down the light to avoid flattening the battery. I thought this was odd as I was pretty sure I had only used this light once or twice since the last time I
So what is going on? How is a battery being drained while physically disconnected? The only way this would be possible was with a bad or damaged battery, but this battery is only 5 months old so I wasn’t sure. I decided to set the battery on the counter and check it with a volt-meter daily to see if my idea was right.
NicholasOverstreet.com - Computers Are Hard