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Thread: 6v versus 12v
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Old 05-19-2020, 03:57 PM   #24
Beau388
Senior Member
 
Brand: Thor Motor Coach
Model: Hurricane 31S
State: Texas
Posts: 4,157
THOR #6411
Quote:
Originally Posted by cavie View Post
They are built to discharge very low and be charged back to life many times. 12 volt batteries can do that. Repeated draining will kill a 12 volt. Built very different than 12 volt batteries. Thicker plates. That is why the are used in Golf Carts.
There are a few physical differences between flooded starting batteries and flooded deep cycle of all voltages. Deep cycle have thicker lead plates and more space below the plates than starting batteries. This allows the dendrites that form during discharge to break-off and fall to the bottom of the battery case and not short out the plates. The thick plates and thicker insulators allow for a more robust battery that can stand up to golf cart, RV and boat use.

The life cycle chart applies to all flooded batteries and not only to starting or deep cycle batteries. The 50% discharge rule is for a nominal cycle life of 400 cycles. Less deep discharges result in a greater cycle life and deeper discharges shorten the number of cycles. Whether a flooded battery self-discharges or discharges by supplying current its life is shortened. The amount of discharge and the time spent in the discharge state all figure in to the batteries deterioration.
By the way E-Z-GO uses four 12 volt deep cycles or two 54 volt lithium batteries in the RXV recreational golf carts and the top of the line uses two 72 volt lithium batteries. E-Z-go uses no 6 volt flooded batteries in of their 2020 golf carts
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Jim & Roy Davis
2016 Hurricane 31S
1961 Rampside in tow
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