Thanks. What is the problem with the pro sport charging 2 batteries on a single
bank? I always try to keep identical batteries of the same age on the house
bank. I know there is a phenomenon where 2 batteries on the same bank will only
charge until the first battery is fully charged, but usually keeping the
batteries of the same age and model will minimize this.
On Sunday, February 28, 2016 3:36 PM, Peter Fell via CnC-List
<[email protected]> wrote:
As you are looking at batteries keep in mind the ProSport chargers will only
work with Group 24, 27, 30 and 31 batteries. And if you start looking at AGM
batteries,while the standard AGM and flooded battery charging profiles are the
same, ‘premium’ AGMs can’t be mixed with ‘standard’ AGMs or flooded. Charging
profiles can’t vary between banks with the Pro-Sport. Another oddity .... if
you have a 2-bank Pro-Sport then max. of 2 batteries total (1 house, 1 start).
If you have a 3-bank Pro-Sport then max. of 3 batteries (2 house, 1 start). In
other words, each battery must be connected by a leg of the charger. Finally if
you have a battery combiner, disable it when you are on shorepower (many, such
as the Blue Sea, can be turned off via a switch or relay mounted in the ground
wire ... but many can’t be disabled!). Disabling the combiner is a best
practice due to the distributed charging scheme programmed into the Pro-Sport.
Peter Fell
Sidney, BC
Cygnet
C&C 27 MkIII From: Doug Welch via CnC-List Sent: Sunday, February 28, 2016
10:18 AMTo: [email protected] Cc: [email protected] Subject: Re:
Stus-List Soliciting Advice on 33-2 Battery Complement ok thanks all. another
question. is it possible to start the 20GMF with a handle? I think i will get
the surettes load tested and decide whether or not to replace after that and
replace the starter battery with a group 24 (if it fits). We are also hoping to
do more cruising and spending time on the hook, so we are looking at get set up
with solar as well.
On Sunday, February 28, 2016 9:41 AM, ed vanderkruk via CnC-List
<[email protected]> wrote:
We have two T12 136ah ( slightly larger and heavier than a group 27 ) Rolls
house batteries which are now in their 12th year of service. I was thinking
they were near their end of life but a battery equalization last year seems to
have given them a new lease on life. We replaced a Rolls starting battery after
11 years. Ed
1982 LF38On Feb 27, 2016 1:20 PM, "Doug Welch via CnC-List"
<[email protected]> wrote:
Our new (to us) 33-2 has a couple of Surette Group 27 Deep Cycle Batteries
of indeterminate age in plastic battery boxes with no lid and a Canadian Tire
22NF starting Battery (In what looks like a home made wooden battery box).
My first instinct is to replace the deep cycles with Interstates and upgrade
the 22NF to a Group 25 Marine Starter Battery in proper battery boxes (I have
seen first hand how quickly a dropped wrench landing on exposed 12v battery
terminals can go very bad). The charger is a relatively new looking
Professional Mariner ProSport 20 Heavy-Duty Marine Battery Charger. Both banks
are monitored by a cruising equipment company e-meter. My questions are 1.
Does anyone have 2 G27s and a G25? Is there room? 2. Someone told me the
Surette are very good batteries with longer than average life and I shouldn't
be in a hurry to replace them. Experience ? Thoughts? 3. Anything else from
your experience I should be thinking about? Cheers, Doug
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