batteries not charging completly

jspeed19

I have new batteries in my precedent. After charging the hydrometer shows only 75% charged.

BGW

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erict

Did you let the charger run it's course and turn off by itself? Have you checked the voltage with a meter? Also remember, new batteries will take a good 20 cycles to reach their full potential.

scottyb

There is nothing wrong with your batteries.
New batteries are only about 75% of their potential when new. According to some major manufacture it takes up to 150 cycles before they reach their fullest potential. This is why it is important to not ask too much from them, like a 30 mile jaunt, when they are new... discharge lightly and recharge often.

jspeed19

I should have been more specific. The new batteries are about four months old. They got me around the golf course fine until the last few days. Yesterday they would not go the entire 18 holes.

scottyb

I would check them under load with a voltmeter to see what they are dropping to... you may have a bad cell in one? Was there any significant fluctuation in the SG readings of any battery?

erict

Have you also maintained the water levels? Can you also post each individual battery readings after a full charge. Juts let them rest 12 hours before taking a reading.

shadowman

when you charge them do you leave the charger on until it shuts off on its own? .......................................

jspeed19

I do let the charger shut off by itself. the water level has been maintained. The sg readings are consistent on all six batteries. I checked each battery with a volt meter and those readings are consistent as well.

erict

What year is the cart? Didn't some years have an issue with the OBC shutting the charger off to early?

jspeed19

The cart is a 2004 model but it has been converted to the eight volt battery system.