Quick charging 12v

mystro

Petty Officer 2nd Class
Joined
May 2, 2007
Messages
142
I live in a restricted place and we can't leave RV,Boats etc for more the a couple hours which isn't really enough time with my current 15amp (max) to recharge my 12v batt used for the trolling motor. Should I try a larger charger say maybe a 25 amp to bring it back up to full charge?
 

windsors03cobra

Lieutenant Junior Grade
Joined
Feb 22, 2009
Messages
1,191
Re: Quick charging 12v

Nah long slow low amp trickle charging is the best way to ensure a full charge and a good service from those batteries.
High amp charging just cooks the electrolyte out of the battery and injects some short lived cranking amps into an otherwise discharged battery.
 

kanga2311

Cadet
Joined
May 28, 2009
Messages
19
Re: Quick charging 12v

Buy a solar powered charger. Usually about 2amp trickle charge, $80 to $160. The major downfall is it won't charge overnight if you plan on using it again the next day. But you can use it when you are fishing throughout the day.
 

mystro

Petty Officer 2nd Class
Joined
May 2, 2007
Messages
142
Re: Quick charging 12v

Thanks all..suggestions were helpful..I guess taking the battery out after each trip is the solution, tough on the ol back but at least it has the built in handle.
 

Silvertip

Supreme Mariner
Joined
Sep 22, 2003
Messages
28,771
Re: Quick charging 12v

Long slow charge is NOT the best way to charge a battery but a low current smart chargers is a good way to maintain it when it is charged. This has been discussed to death but if you want to know the best routine, visit any of the major battery manufacturer web sites.
 

mystro

Petty Officer 2nd Class
Joined
May 2, 2007
Messages
142
Re: Quick charging 12v

Long slow charge is NOT the best way to charge a battery but a low current smart chargers is a good way to maintain it when it is charged. This has been discussed to death but if you want to know the best routine, visit any of the major battery manufacturer web sites.

Of course, that's why newsgroups exists, to discuss routine matters till the cows come home..thank goodness. :)

You know this but some ppl may not there's actually only a few--very few battery manufacturers, I don't remember who they are anymore but I went thru one of the longest threads ever on the subject on what was the massive RV Usenet newsgroup several years ago, there's almost nothing they didn't know about 12v systems. I ended up getting two 6 volts golf car batts and I may go that route except for the huge added #70 weight per batt but the reserve-time is phenomenal compared to any single 12v marine... charging them is basically the same though.

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