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Discussion Starter · #1 ·
I "topped off" my batteries yesterday w/ distilled water and put 1 on a maintainence "float" charger. When I went down this morning to unplug it, there was water on the side and under the battery, as well as around the cap-plates. My float charger is a slow 2 amp smart charger that switches off when fully charged, so I know I wasn't overcharging and boiling my battery. However there was no mark or directions as to "how full" the battery should be.

So, did I overfill my batteries? How can you tell what level the water should be? I haven't added any water in 3 years. And a few of the cells were lower than others.
 

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Those little cones that sit inside of each cell are the fill indicators. When the water level reaches the indicator it's easy to see (it "dimples" the water, don't know how else to describe it). That's the max you should add water. Sometimes, as long as the plates aren't exposed, add the water after you charge - charging raises the electrolyte level.
 

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Too full and then a charge causes the overflow condition you experienced. Charging casues a certain amount of heat which causes expansion hence the overflow.
 

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Discussion Starter · #7 ·
I wore gloves and eye protection, rolled up some paper towels and soaked up some water, and put it out in the trash. Trash wasn't smoking this morning when I left [grin]. I did notice that the spot where the battery was sitting when it leaked has this weird shiny look to it.

Friday is when I get launched, so I'll find out when I turn the key!
 
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