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Charge at Night - Water in the Morning

Battery Manufacturers recommend leaving your cart plugged in and charging every night after you finished using it for the day. Modern chargers and On Board Computers (OBC's) will shut off automatically either when they are done charging or timed out. The charging process heats up the water/acid solution (electrolyte) and forces the electrolyte that has been absorbed by the battery's lead plates back into solution. By charging the batteries first, the liquid electrolyte will be at the highest possible level before adding more water. 

  • If low, then add Distilled Water (only Distilled Water) until just below the fill port of each cell. You should see about 1/4" to 1/2" of electrolyte above the lead plates. 
  • If you can see water up into the circular part of the Fill Ports, your cell is over-filled. 
  • If you over-fill the cells or fill prior to charging, there is a chance that the mixture will overflow through the Vent Holes in the Cell Caps, since the electrolyte typically boils while it is charging or while driving your cart. 
  • If the cells over-flow, then there is a strong potential for it to drip and damage your Battery Compartment Metal Tray (some manufacturers use plastic trays to minimize damage) or damage the finish on your garage floor. 
  • You can rinse off any spillage with plain water from a hose (don't forget to put the caps back on your batteries before rinsing ... remember ONLY Distilled Water goes into the batteries) but keep in mind that what you are rinsing off is "acid" whether it is still in liquid form or has left a dried-off residue. 
  • Be sure to rinse off somewhere where the run-off does not cause damage (such as to your lawn or driveway). 
  • Do not use the Spray Nozzle on your hose. The high-velocity spray may cause the acid to spatter and damage the finish on your cart, or eat holes in your clothes, or injure your eyes or other body parts.

We are frequently asked how much Distilled Water should normally be needed when doing your monthly water maintenance? 
The answer is, "it depends". Generally speaking, about 1/2 to 1 gallon is fairly typical. If you need more than 1 gallon, then you waited too long. You will need to do your maintenance more frequently than once a month. You should NEVER look into the battery cells and see the tops of the lead plates above the electrolyte level. This is the one exception to the rule, "Charge at night / water in the morning". If the tops of the plates are exposed to air, then your battery is "DRY" and you should add Distilled Water before charging. Just be mindful of spillage and take appropriate precautions.

Lastly and with emphasis, be careful! 
You are working with acid and it can hurt either you, your cart, or its surroundings if you ignore common sense and the Battery Manufacturer's Safety Protocols. Wear protective clothing and gear, service your cart regularly, and be absolutely sure to enjoy your cart as frequently as possible.

Masterbilt Golf Carts
904-644-8790
info@masterbiltgolfcarts.com
www.masterbiltgolfcarts.com