A couple months back, bought a Deltran BT Plus, and an Interstate Group 27 batttery. The battery and charger have been installed in my build for about a month, now the battery is almost dead! Didn't expect this since the charger has had power the whole time.
Hydrometer on the battery has an even, low reading. Plugged in my 20 yr old Sears 6 amp trickle charger and it goes to 8 amps then slowly down to six. When I left this afternoon, it was still at a high 5 amp reading (after 18 hrs on charge). I turned off the power when I left.
I think the battery is okay, although I know it had to be way less than 50% charged.
I pulled the quick disconnect on the charger and put a voltmeter on it--Nada. Shouldn't I be able to pick up a reading, or does the charger sense the open circuit and stop sending current? I checked accross the battery at the very beginning and it read 10.5, but that is subject to question as my voltmeter is a P.O.S. that will meet its overdue demise shortly!
If someone knows the answer, I'd sure appreciate it. Otherwise, I'll be calling Deltran this week.
EDIT EDIT EDIT--just found the manual online, and I will have to see if the inline fuse has blown. I'll bet that is the problem. Then I have to figure out what caused it and when it happened. Can't do that til next Friday night.
Hope my battery ain't kaput.