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Batteries concern
- SunsetSteve
- First Mate
- Posts: 114
- Joined: July 31st, 2016, 12:12 pm
- Vessel Info: 83 Carver Riviera 28
76 Albin 25 (outgoing) - Location: Gananoque
- Has thanked: 30 times
- Been thanked: 19 times
Batteries concern
Day outing today with the fridge breaker off, so only dash gauges and electronics on, but when I returned to dock, 2 red on the charger.
It seems odd to me that the alternators can't keep those "marine" batteries up. I am looking at a battery system upgrade (windlass), but now I wonder if I can rescue these 2 in a new configuration. Pics of the batteries below.
- uchu
- Deck Hand
- Posts: 77
- Joined: August 25th, 2020, 8:02 am
- Vessel Info: 1988 Carver Santego 2767 - Twin Mercruisers 4.3LX with Alpha-One drives
- Location: Ontario
- Has thanked: 86 times
- Been thanked: 15 times
Re: Batteries concern
- km1125
- Admiral
- Posts: 3355
- Joined: February 28th, 2017, 6:04 pm
- Has thanked: 59 times
- Been thanked: 976 times
Re: Batteries concern
As uchu says, how old are those batteries? Does "red" on your charger just mean the batteries are taking current (the charger is actually charging instead of float)?
Not sure why you think those two batteries couldn't handle your winch. I ran with two Group 29's for nearly 10 years with big blocks and a winch and never had an issue. Unless you're running 1000' of very heavy chain, even just ONE of those batteries could handle a winch for that size boat.
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- CYO Supporter
- Posts: 5819
- Joined: July 10th, 2015, 9:58 pm
- Vessel Info: 1989 Carver 3807 Aft Cabin
- Location: Ontario, Canada
- Has thanked: 432 times
- Been thanked: 1595 times
Re: Batteries concern
- SunsetSteve
- First Mate
- Posts: 114
- Joined: July 31st, 2016, 12:12 pm
- Vessel Info: 83 Carver Riviera 28
76 Albin 25 (outgoing) - Location: Gananoque
- Has thanked: 30 times
- Been thanked: 19 times
Re: Batteries concern
Interested to hear (see) KM1125's opinion that the 31s should suffice to run the windlass - that would solve a number of issues, including where to locate the 3rd battery. But if either one of these 31s are showing poorly -please god it's not the alternator) I have to delve into the question of how to build the new bank.
Thanks everyone!
- buster53
- Admiral
- Posts: 996
- Joined: May 12th, 2017, 10:41 am
- Vessel Info: 2001, Carver 356
- Location: Lower Potomac, VA
- Has thanked: 8 times
- Been thanked: 254 times
Re: Batteries concern
- Midnightsun
- CYO Supporter
- Posts: 2855
- Joined: March 27th, 2016, 2:27 pm
- Vessel Info: The Midnight Sun
2007 41CMY
Volvo D6-370's - Location: Montreal, Canada
- Has thanked: 257 times
- Been thanked: 1101 times
Re: Batteries concern
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- CYO Supporter
- Posts: 5819
- Joined: July 10th, 2015, 9:58 pm
- Vessel Info: 1989 Carver 3807 Aft Cabin
- Location: Ontario, Canada
- Has thanked: 432 times
- Been thanked: 1595 times
Re: Batteries concern
That only gives you a partial look at their condition, it doesn't give you a full picture IMO. If all you're doing is taking a one-time reading, you could be mistakenly giving a passing mark to a bad battery. There is a process to determining the true condition with just a multi meter. I prefer a proper battery tester in conjunction with a load type tester.SunsetSteve wrote:Source of the post I've researched how to check out the batteries and alternator with my multi meter.....
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