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Old 11-14-2022, 05:11 PM   #1
Jon81SC
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Default Which cable(s) to disconnect for winterizing?

Getting ready to shut down a Yamaha 2016 Drive 48 Volt Drive cart for the season. It will be stored outdoors in S. Jersey, and I read that disconnecting the battery will help maintain battery life. Please advise which cable(s) to disconnect - the main Positive, the main Negative, or both? Also watched a Youtube video showing a winterizing procedure of only disconnecting a cable linking the negative posts of 2 adjacent batteries. Would this accomplish the same effect as disconnecting a main cable? Thank you in advance!
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Old 11-14-2022, 05:47 PM   #2
ojo
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Default Re: Which cable(s) to disconnect for winterizing?

Remove the main negative ( you could disconnect the linkage of 2 batteries anywhere in the pack also ). Charge the batteries at least once a month, due to self discharge of ~ 1% per day.
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Old 11-14-2022, 07:56 PM   #3
Volt_Ampere
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Default Re: Which cable(s) to disconnect for winterizing?

If it's stored outdoors, you must make sure to keep the batteries well charged! Charge them at least once a month. If they discharge too much, they can freeze and be damaged in cold weather.
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Old 11-14-2022, 08:48 PM   #4
augiedoggy
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Default Re: Which cable(s) to disconnect for winterizing?

Quote:
Originally Posted by Volt_Ampere View Post
If it's stored outdoors, you must make sure to keep the batteries well charged! Charge them at least once a month. If they discharge too much, they can freeze and be damaged in cold weather.
Unless its lithium.

Then you definitely do not want to charge in freezing conditions.
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Old 11-15-2022, 01:32 PM   #5
Jon81SC
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Default Re: Which cable(s) to disconnect for winterizing?

ojo - thank you. A question, please - any thoughts as to why it seems disconnecting the main negative cable (which includes other connecting wires) is usually recommended, yet disconnecting a single cable connecting 2 of the 6 batteries (a lot easier) accomplishes the same thing?

V/A - thank you & will do!

augie - thank you - not lithium
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Old 11-15-2022, 02:16 PM   #6
Volt_Ampere
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Default Re: Which cable(s) to disconnect for winterizing?

If you are going to run a trickle charger, the batteries have to all be hooked together so you would want to disconnect either the main + or - connection only.
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Old 11-16-2022, 01:29 PM   #7
Jon81SC
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Default Re: Which cable(s) to disconnect for winterizing?

V_A - no trickle charger - just the "regular" charger. The cart is at a remote location, so when fully charged, will disconnect "the circuit" by removing a cable, until I'm back 4 weeks later.
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Old 11-16-2022, 02:17 PM   #8
Volt_Ampere
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Default Re: Which cable(s) to disconnect for winterizing?

OK but if you are gone for more than 4 weeks, you need to get someone to charge it for you or your batteries will discharge enough to damage them and they can freeze if it gets cold enough.
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Old 11-24-2022, 07:41 AM   #9
Olddog72
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Default Re: Which cable(s) to disconnect for winterizing?

I,m at a trailer park in souther Ontario ,one cart owner leaves cart out all winter with battery cables removed ,rather than inside storage $$$ batteries servived the last 2 winters,

Go figure ,,saving $60 inside charge,storiing
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