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06-10-2012, 08:57 AM | #1 |
Gone Wild
Join Date: Sep 2011
Location: East Michigan
Posts: 1,364
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Another battery break in question
I installed new batteries, (4)12v, and after a charge and rest the pack shows 50.8v. Is this normal? I have only charged them three times and only let the pack get down to 85/90% before throwing the charger on. Should I drain them further before recharging?
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06-10-2012, 09:45 AM | #2 |
Gone Wild
Join Date: Jun 2010
Posts: 734
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Re: Another battery break in question
Read the stickies for state of charge readings and another for battery break-in. You can take readings just after charging but i think it is better to wait a bit for them to settle.
Edit: oops i missed where you said "and rest" |
06-10-2012, 10:22 AM | #3 |
Gone Wild
Join Date: Sep 2011
Location: East Michigan
Posts: 1,364
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Re: Another battery break in question
I haven't taking readings right after a charge yet and only after a rest. I think this is a normal reading but just curious. I have been following Scotty's break in method but I haven't as of yet ran them down to 75% before charging. I'm wondering if this is a must or not since I have only gone down to 85/90% thus far before plugging it in. I use it around the house and only on weekends so seat time isn't alot and wonder if I should just wait till I hit the 75% mark which may take two to three weekends of use before charging?
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06-10-2012, 10:27 AM | #4 |
Gone Wild
Join Date: Sep 2011
Location: East Michigan
Posts: 1,364
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Re: Another battery break in question
I have read Scotty's break in method alot but as you can see I forgot about this sentence. Here is his quote......
New batteries are initially about 75% of their full strength. The following procedure will insure they reach their full potential. The 1st 10 to 20 complete charge/discharge cycles are critical to insure they reach 100%. This explains my 50.8v reading after a rest. |
06-11-2012, 06:39 AM | #5 | |
Gone Wild
Join Date: Sep 2011
Location: East Michigan
Posts: 1,364
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Re: Another battery break in question
Quote:
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06-11-2012, 08:40 AM | #6 |
Happy Carting
Join Date: Dec 2007
Location: Southern California
Posts: 73,418
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Re: Another battery break in question
You are fine. The statement was meant to emphasize not running the pack down too low. A shallow discharge to 90-85% capacity and recharge is fine...... the batteries can do that everyday for about 14 years according to Trojans technical info.
So shallow discharge and recharge, often. |
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