Battery fitting advice

Danncus · 18 July 2016, 14:10

Hi

I've just bought a 4.3 SIB with 30hp Tohatsu ob with pull start and small jockey console. it has a large gel type battery, similar to one found in a burglar alarm - with spade type terminals.
it may have been fixed into a plastic sandwich box, but now slides around under the seat with the fuel tank!

As it's showing 1 volt, and a want to fit a 12v outlet, what battery is recommended and what method of fixing is best?

it is charged from the outboard btw

thanks

jeffstevens763@g · 18 July 2016, 15:18

i use a motor cycle battery 8 amp hour just for my radio and plotter fixed in place on the shelf with a strap £30.00 cost wise to buy but you can use any size you want depending on how much life you want when the engine is off

Danncus · 18 July 2016, 16:32

Quote:

Originally Posted by jeffstevens763@g

i use a motor cycle battery 8 amp hour just for my radio and plotter fixed in place on the shelf with a strap £30.00 cost wise to buy but you can use any size you want depending on how much life you want when the engine is off

Thanks. You used a ordinary lead acid battery?

I'll look into better securing too

jeffstevens763@g · 18 July 2016, 16:34

Yes lead acid but jel good no maintenance.

Last Tango · 18 July 2016, 19:44

Quote:

Originally Posted by jeffstevens763@g

Yes lead acid but jel good no maintenance.

Yep and they don't need to be mounted upright.

HDAV · 18 July 2016, 22:14

You can get small battery trays with straps to keep it secure, Yuasa do a range of batts in different sizes and capacity that will do the job. Or you have more expensive gel and AGM batts to choose from.

http://www.yuasa.co.uk/batteries/lei...es/m26-80.html

Box
http://www.ebay.co.uk/itm/LEISURE-BA...3D151452255655

Danncus · 01 August 2016, 07:48

Ok. Another problem.
Further investigation reveals the rectifier regulator is dead.
I've just bought the boat, and with the paperwork in an invoice for adding the charging kit the the 2007 tohatsu. I removed the unit to find it has been fitted with a part from a 1980 Yamaha motorbike!
So. The AC seems ok, so, is there a good source of a RR ? It has two AC wires from the flywheel

jeffstevens763@g · 01 August 2016, 14:51

From memory charging kit for a tohatsue 20 is £107 from Morton boats in Lincoln if that helps

Cheers

Danncus · 01 August 2016, 15:14

Thanks
That seems like an awful lot! Is there a universal one available from anywhere ?

jeffstevens763@g · 01 August 2016, 16:47

Suzuki are about the same price but I guess if you don't buy the correct parts you end up with what you have now!

Cheers

HDAV · 01 August 2016, 17:11

Very possibly the 80's bike part is the same part...... Or the 1/4 cost equivalent......

I know some parts on Honda outboards are compatible with bike parts and the bike parts are much cheaper.......

9D280 · 03 September 2016, 21:56

Or do what I di & go to an O?B breaker - buy a rectifier / regulator module. I discovered to my horror after I fitted my plotter than the original Clamshell only had a rectifier.... at 1500 RPM my battery was seeing a 16 odd V charge and it went up with the revs!

Got a Rect / Reg off a Suzi. Yes, I had to chop the wiring around, yes, I had to file 1/8" off the corner of the heatsink fins so it cleared the casing where I mounted it, but at least my battery isn't getting toasted. There is In theory nothing to stop you fitting a BMC regulator off a Morris Minor in your console by the battery...... ignoring corrosion issues!

Last Tango · 04 September 2016, 20:46

Quote:

Originally Posted by 9D280

Or do what I di & go to an O?B breaker - buy a rectifier / regulator module. I discovered to my horror after I fitted my plotter than the original Clamshell only had a rectifier.... at 1500 RPM my battery was seeing a 16 odd V charge and it went up with the revs!

Got a Rect / Reg off a Suzi. Yes, I had to chop the wiring around, yes, I had to file 1/8" off the corner of the heatsink fins so it cleared the casing where I mounted it, but at least my battery isn't getting toasted. There is In theory nothing to stop you fitting a BMC regulator off a Morris Minor in your console by the battery...... ignoring corrosion issues!

Yep. fitted an MC. rec/reg to an old 40hp VRO Evinrude. Worked perfectly and was still going strong when the boat was sold, cost less than £30 from memory.