Sleeping/floating state battery charger?
Posted: Fri Apr 22, 2016 11:04 pm
Hi all,
I'm currently setting up a BioSemi EEG system. In the past, the organisation used it during one study, but after that all materials were put in boxes, were moved to a different building, and did not see daylight for over a year till I started setting it up a few months ago. Most of it is now fully functional, but I encountered a strange problem with the battery charger. I put one of the batteries in there after using it to test my first set-up, and it did what it is supposed to do: charge. Just as in the lab where I work most of the time, the green light stayed on when fully charged. Today I returned to the set-up (after approx three weeks), and saw none of the three lights was on, like a floating state. I never encountered that in my regular lab. I tried the other battery (not used during the last year), but still nothing. Could it be that after a certain amount of time the battery charger doesn't respond anymore unless hooked up to a battery that really needs to be charged? As said, the batteries have been fine for weeks (and before that for a year). I never encountered this in my regular lab, but that system is used a lot, so battery chargers are always used on low batteries (and not on full ones for three weeks in a row).
Question: If a charger works perfectly fine, but does not give any response three weeks later with the battery still hooked up, what could be the problem? No-one has access to the room but me, so during those three weeks the box did not fall or got damaged in any way.
Hope someone has a explanation, preferably a reassuring one
Kris
I'm currently setting up a BioSemi EEG system. In the past, the organisation used it during one study, but after that all materials were put in boxes, were moved to a different building, and did not see daylight for over a year till I started setting it up a few months ago. Most of it is now fully functional, but I encountered a strange problem with the battery charger. I put one of the batteries in there after using it to test my first set-up, and it did what it is supposed to do: charge. Just as in the lab where I work most of the time, the green light stayed on when fully charged. Today I returned to the set-up (after approx three weeks), and saw none of the three lights was on, like a floating state. I never encountered that in my regular lab. I tried the other battery (not used during the last year), but still nothing. Could it be that after a certain amount of time the battery charger doesn't respond anymore unless hooked up to a battery that really needs to be charged? As said, the batteries have been fine for weeks (and before that for a year). I never encountered this in my regular lab, but that system is used a lot, so battery chargers are always used on low batteries (and not on full ones for three weeks in a row).
Question: If a charger works perfectly fine, but does not give any response three weeks later with the battery still hooked up, what could be the problem? No-one has access to the room but me, so during those three weeks the box did not fall or got damaged in any way.
Hope someone has a explanation, preferably a reassuring one
Kris