8 volt v 6 volt

8 volt v 6 volt


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8 volt v 6 volt
Old 11-14-2012, 08:51 AM
Solar Golf Carts
Posts: n/a
Exclamation 8 volt v 6 volt

Advantages of the 8 volt golf cart over 6 volt...

Less initial cost. Saving about $200
Lighter weight. Typical cart-load of six 8-volt golf cart batteries will weigh 375-400 pounds,
Whereas eight 6-volt batteries weight about 520-540 pounds,
This assumes about 65lbs per battery; also add few lbs for the extra cabling.

In buying batteries pay close attention to the 20 hour amp hour ratings, that is the real fuel here.

Iíll use Trojan specs because they are widely used here.
T-875 have 170 amp hours
T-890 have 190 amp hours (also 6 lbs heavier) but worth the added weight in this example.

Why does this matter simple, it takes more power to push more weight, the old saying ďweight will stop a freight trainĒ, the extra 20 amps = extra range.

Itís too bad 12-volt batteries donít have the power, the weight saving would be nice.

In the near future lithium iron phosphate (LiFePO4) batteries will be the way to go but for now the cost doesnít justify it about $1800.

US battery makes US Battery 8VGCHC-XC rated at 183 amps a good choice also.
A close look at Interstate batteries might make you think they are made by US Battery, because they are.

Exide batteries are cheaper than the Trojans and US Battery 8 volt golf cart batteries, so a lot of folks are tempted to buy them to save money; but read the amp rating if they are 110 - 170 amps vs the 190 of Trojans.
Sears, and Napa all market Exide batteries under their own brand.

Last point is that the standard size cables on your batteries can and should be upgraded to the heavier #2 cable size for better charging and power, but to do this correctly ALL cables must be done not just the ones on the battery.


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