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06-13-2020, 09:40 AM
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#1 |
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Not Yet Wild
Join Date: May 2020
Location: Florida
Posts: 27
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Lester charger
I bought the new summit 2 Lester on board charger with Bluetooth.
Upon using it the first time I noticed all 6 batteries were extremely hot after about 4 hours, anyone else experience this? Or is it normal? Thanks |
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06-13-2020, 02:06 PM
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#2 |
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Not Yet Wild
Join Date: May 2019
Posts: 21
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Re: Lester charger
Running the correct algorithm for the batteries?
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06-13-2020, 06:03 PM
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#3 |
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Not Yet Wild
Join Date: May 2020
Location: Florida
Posts: 27
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Re: Lester charger
The Charger app was correctly detecting that it was 36v but when it started charging the app would automatically change the charger settings to 48v I
So I called Lester and left a Message, closed on weekends |
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06-13-2020, 06:22 PM
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#4 |
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Happy Carting
 Join Date: Dec 2007
Location: Southern California
Posts: 73,406
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Re: Lester charger
I think that is normal. The charger makes the correction to 36 again while charging and finishes at the correct voltage.
Strange the batteries got hot. What was the starting voltage? Water levels okay? If it happens again see what the pack voltage is when the batteries are hot. For reference, the batteries should not get more than 10º above ambient. |
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06-13-2020, 08:56 PM
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#5 |
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Not Yet Wild
Join Date: May 2020
Location: Florida
Posts: 27
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Re: Lester charger
The batteries were fully charged before they were removed for the upgrade 5 days prior. I tested the voltage on each one individually as I put them in and they were all around 6.7 volts.
I checked the full pack voltage when they were hot and got 41.8 volts |
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06-14-2020, 08:21 AM
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#6 |
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Happy Carting
Join Date: Dec 2007
Location: Southern California
Posts: 73,406
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Re: Lester charger
I suspect one battery was wired incorrectly in the pack.
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06-14-2020, 08:32 AM
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#7 |
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Bonafide Nincompoop
Join Date: Dec 2015
Location: Charlottesburg Va
Posts: 8,987
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Re: Lester charger
Only batteries I’ve had get hot during charging are ones that are old and pretty much already dead. How old are your batteries?
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06-16-2020, 11:38 AM
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#8 |
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Not Yet Wild
Join Date: May 2020
Location: Florida
Posts: 27
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Re: Lester charger
Only a year and a half
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