Guest 20 amp battery charger and NOrthstar AGM
- Thread starter Mdwhitten
- Start date
Little Ducky
Well-Known Member
- Jun 5, 2017
- 2,655
- Boat Info
- 1998 290 Sundancer
- Engines
- Twin EFI 5.0L w/Alphas
Kohler 4kW
Check your Guest manual.
It looks like the newer ones that pop up when doing a search can adequately charge wet and AGM.
It looks like the newer ones that pop up when doing a search can adequately charge wet and AGM.
paulswagelock
Well-Known Member
Most AGM are fine with wet cell profile. Check Northstar to see if they state it is ok.
bbwhitejr
Well-Known Member
I don’t think the OEM 20amp Guest has switches to change settings to the various types of batteries. If the profiles for the wet cell and AGM are same, you will be fine.
When you get ready for a new charger, I installed a ProMariner 40amp in my 06 260DA. Wire sizes were good and only the 2-breakers under the cockpit sink had to be changed. It has settings for all types of batteries.
Bennett
When you get ready for a new charger, I installed a ProMariner 40amp in my 06 260DA. Wire sizes were good and only the 2-breakers under the cockpit sink had to be changed. It has settings for all types of batteries.
Bennett
SJWhitten
New Member
- Jun 4, 2018
- 13
- Boat Info
- 2007 Sea Ray 260 Sundancer
- Engines
- Mercruiser 6.2 MPI Bravo III
I checked the boat today; the battery charger model is 26222A-OEM. It has a date code of 3/9/2007. I found the original manual, and it says "THIS CHARGER SHOULD BE USED TO CHARGE ONLY LEAD ACID, AGM, OR GEL CELL TYPE BATTERIES. USE ON OTHER BATTERY TYPES MAY CAUSE AN EXPLOSION OR PERSONAL INJURY." So I think the AGMs will be fine. Thanks all!
