get the right battery

carlos bairo

Seaman Apprentice
Joined
Sep 11, 2013
Messages
34
hi guys '' i am big confuse with the type of battery for my 18 ft alloy half cabin
1 motor-70 hp Johnson
2 single bank battery
3 nav/light pump/fish finder /instrument light s -

i have tow options from dealers ,
1 flooded-500 c c a( 620 m c a ) or (675 c c a) ( 845 m c a)

2 option-(A G M)-8 A 24 M-or 8 A 27 M -

that are a recommended up to 140 hp Jonhson motor

any help will be grate ,i am new on this marine sport
thanks all.
 

pn

Petty Officer 1st Class
Joined
Apr 20, 2013
Messages
374
Re: get the right battery

i just use marine batteries.
 

MH Hawker

Vice Admiral
Joined
Jul 13, 2011
Messages
5,516
Re: get the right battery

If its just for starting only then a standard group 24 is fine. If you use some electronics while sitting then a duel purpose group 24 is better if you use a lot of electronics while sitting then a group 27 duel purpose or bigger depending on what your using.
 
Last edited:

dingbat

Supreme Mariner
Joined
Nov 20, 2001
Messages
16,363
Re: get the right battery

When it comes to boat, you can't have too big of a battery. Sooner or later your going to wish you had more. Get the biggest battery that will fit on the boat.
 
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