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Old 02-22-2012, 11:53 AM   #1
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Default lack of power & quick discahrge

Yamaha G-19 48 volt fully charged 5 batt. read 8 volts each and 6th batt. reads 6 volts. runs slower than when new and barely gets 9 holes on full charge. Batteries are 5 1/2 years old. will I get more speed by just replacing Batteries.
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Old 02-22-2012, 01:50 PM   #2
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Default Re: lack of power & quick discahrge

The one battery has dropped a cell. You may be able to get along with just one used battery but, at 5.5 yrs old you have gotten the average use lifespan from them, maybe time for a new set.
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Old 02-22-2012, 02:02 PM   #3
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Default Re: lack of power & quick discahrge

Welcome to BGW!

I agree 100%. You can prove this by attaching a multimeter to the suspect battery and seeing just how far the voltage falls when you start from a dead stop or climb a grade.
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Old 02-22-2012, 07:42 PM   #4
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Default Re: lack of power & quick discahrge

speed will not increase, but charge time will.
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Old 02-22-2012, 11:25 PM   #5
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Default Re: lack of power & quick discahrge

Quote:
Originally Posted by COURTESYCART View Post
speed will not increase, but charge time will.
If he gets a proper battery pack his speed WILL increase. He is currently undervolting the motor and it's running slower than it should.
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