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#12685952 - 03/23/18 10:27 AM 2009 Mercury 150 EFI Charging System and AGM Batteries
buggsboy Offline
Angler

Registered: 07/22/11
Posts: 319
Loc: Carthage, Tx/Lake Fork
The cranking battery on my 2009 Mercury 150 EFI is getting weak, and I am considering going to an AGM battery as a replacement. I know that some Mercury charging systems are not compatible with AGM batteries. Can anyone tell me if an AGM battery would be a good choice as my next cranking battery? Thanks
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PB. 10 lb 12 oz

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#12685984 - 03/23/18 10:41 AM Re: 2009 Mercury 150 EFI Charging System and AGM Batteries [Re: buggsboy]
Curtbass Offline
Extreme Angler

Registered: 04/17/15
Posts: 1636
Stator type charge systems= wet cell lead/acid batteries only.
Alternator style charge system= AGM BATTERIES
_________________________
92' ChampioN 201DCR Elite
13' Yamaha250SHO
HB's
Minnkota

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#12686326 - 03/23/18 02:50 PM Re: 2009 Mercury 150 EFI Charging System and AGM Batteries [Re: buggsboy]
buggsboy Offline
Angler

Registered: 07/22/11
Posts: 319
Loc: Carthage, Tx/Lake Fork
Wasn’t sure if my motor had an alternator or stator system. Looked it up and mine has alternator, so agm it shall be. Thanks


Edited by buggsboy (03/23/18 02:51 PM)
_________________________
PB. 10 lb 12 oz

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#12686948 - 03/23/18 10:45 PM Re: 2009 Mercury 150 EFI Charging System and AGM Batteries [Re: buggsboy]
Curtbass Offline
Extreme Angler

Registered: 04/17/15
Posts: 1636
Good deal. If running graphs,aerators,recirc pumps all day get a Group 31 ( if you have room) with at least 200 Reserve Capacity. Also as many cranking amps as possible (over 950) & it'll keep you & that Merc happy.
Academy has Exide Group 31 AGM Dual purpose. 1150 Cranking Amps & 200 RC for $269 + tax. Take an old battery in for -$20 for core charge. $249 + tax. Good long lasting batteries.


Edited by Curtbass (03/23/18 10:52 PM)
_________________________
92' ChampioN 201DCR Elite
13' Yamaha250SHO
HB's
Minnkota

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