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Battery Maintainer

S

SDE

Well-known Member
The red light indicates that it is charging. It seems to always be red. Has it stopped working properly? I have not seen the green light come on lately. The battery is charged.
Thank you
Steve
 
I have Deltran Battery Tenders and the light is red until the battery is charged than it tuns green when battery is charged.
 
I would try the charger on a battery that you know is good. If you can get a green light on that one you have your answer.

I have had questions about one of my four battery tenders and I contacted the company via e-mail and they were quick to respond with a helpful answer.
 
I will re-check the color codes. Maybe it is working properly,but I don't think so. I will also try it on another battery.
Thank you
Steve
 
(quoted from post at 14:47:58 04/12/13) The red light indicates that it is charging. It seems to always be red. Has it stopped working properly? I have not seen the green light come on lately. The battery is charged.
Thank you
Steve
Click to expand...
The cheap Harbor Freight ones and some others only have the red indicator. It is used for two things, 1) When connecting it to the battery if the LED does not come on you have the polarity reversed and 2) If you plug it into the outlet without being connected to the battery the LED will show that there is power on the input side. These cheapies do nothing to show what its doing like the more expensive maintainers do with the red/green LED.

Radio Shack will sell a very cheap digital volt ohmmeter that is capable of telling you what the output is of the maintainer and also what the battery voltage is. I know you are aware that you're supposed to connect the float charger only to a fully charged battery because it will not charge one, it only maintains the full charge. Harbor Freight also sells a five dollar digital meter for these simple checks. I know, no help here... )-:
 
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