Thread: battery in my 250..
11-23-2008, 11:33 PM #1
battery in my 250..
This season was the last season for my stock battery. I'm going to change it just for safety sake. I know that Yuasa make a good strong battery for the ski. I do remember that someone mentioned that there is another brand of battery worth a bit more current that will serve us better am i wrong was it a yuasa? or was it another brand of battery? I took a quick peek at the archieves and did not find anything.. if any remembers the link would you post it? I think i even remember taking part in the thread..
11-24-2008, 03:44 AM #2
but the Yuasa is a purpose built marine , high impct battry , for the money it is very hard to beat, I have gotten 2-3 year out of them before, gut I still change it every 2nd season just for peice of mind on all my skiies I have had.
As long as you maintain it , I say stay yuasa battry
11-24-2008, 05:57 AM #3
Go with Deka Absorbed Glass Mat (AGM)
I had two Yusa's die after a year or so in a SeaDoo 951cc.
Bought the Odyseey, seemed good. But at the 2.4 year mark
it died. I took it to back to them expecting some warranty.
But even though they state 5 to 10 year expected life, no go.
They quoted me $130. I had remembered paying about $90
I noticed that a lot of boat dealers here use Deka. Same technology.
I bought one of theirs from the local factory store. $86 was price.
The terminal construction is much better than Odyseey. Odyseey
has thin posts that seem loose.
The physical case of the stock Kawa Ultra 250X is rather small. I think
you'll have to modify the battery box to get it to fit the replacements
which seem to be bigger in all dimensions. BTW the replacments have good specs are recommended for PC's. You want the absorbed glass mat technology, same as military, that allows mounting in any manner plus good shock handling. Don't know about Yusa. As I recall it is a wet battery and needs to be activated with chemicals.
11-25-2008, 01:11 AM #4
Thanks for the replies.
I think i have a good battery as it stands. I think before i change it I'll have it tested to see if it even needs to be changed. I get nervous about battery's. I am the 2nd owner of this ski and it's the orig 07 battery.
Things to think of in the winter.
11-25-2008, 01:46 AM #5
Odyssey 625 will fit in stock Yuasa tray but its tight. I like the cranking power and it keeps a charge real well.
11-27-2008, 02:19 AM #6
Thanks for the reply.. I have my stock battery on the tender right now.. I'll go check on it tomorow.. and see.. who knows i might end up with the same battery.
11-27-2008, 01:32 PM #7
I always keep mine on a tender when not in use, never had an issue with the stocker.
11-28-2008, 01:24 PM #8
So far so good... i went to check on it yesterday and all is well.. the unit had shut down and was cool to the touch. The battery was topped off..13.8VDC across.
I guess i'm good.
11-28-2008, 02:57 PM #9
- Join Date
- Jul 2007
- near Toronto, Canada
East-Penn Deka sealed AGM batteries.
Excellent construction, high quality, no leakage or self discharge issues, and long life (if properly maintained, of course).
Check the sizing chart for physical dimensions, and Amp-Hour capacity. Choose the biggest physical battery that you can properly mount, within reason.
The larger the battery size/weight, the more power it holds. More power means faster cranking (Cranking Amps), quicker starts, and longer running time (Amp-Hours) if the charging system fails.
And if you ever need it to run your bilge pump without the engine running, a bigger battery will run the pump for longer.
Here is some more technical info on AGM batteries.
Size information is on page 2 of this PDF.
ETX16LM and ETX20LM are the normal sizes for PWC.
The Deka 8AU1HM might be a step up size.
12-03-2008, 07:52 AM #10
The stock Yuasa battery in my 99 ultra 150 lasted 5 years, the stock Yuasa battery in my 03 150 lasted 2 years. Batteries in my cars used to last 6-8 years, now they are only lasting 2-3. With lead going from .50 / lb to over 1.80 / lb the last 2-3 years, the manufacturers started using reclaimed lead from shooting ranges and recycled lead from old batteris, I don't know if this is the cause but batteries just don't last as long as they used to.
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