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Old 03-18-2013, 02:52 PM   #1
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2012 27' FB International
Ormond Beach , Florida
Join Date: Jan 2013
Posts: 57
Lock for Battery Box

We just picked-up our new 27' FB Serenity AS this weekend and park it in the community lot near our home. The batteries in the front box have only a twist turn latch to keep the top closed. I would like to replace it with an actual lock. Any ideas on where I can get a replacement and maybe what size diameter the lock needs to be?
Thanks in advance.
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Old 03-18-2013, 03:32 PM   #2
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2015 25' FB Flying Cloud
2012 23' FB Flying Cloud
2005 25' Safari
Santa Rosa Beach , Florida
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That hole in the battery box where the lever is will take a key lock version. You can get one at most any RV supply store like Camping World.

SuEllyn & Brian McCabe
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2015 FC 25' FB (Lucy) with HAHA
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Old 03-18-2013, 05:19 PM   #3
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2005 19' Safari
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Use Internet search engine (e.g., Google) to look for "baggage lock". See typical link, below:

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Old 03-18-2013, 05:22 PM   #4
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2008 27' Safari FB SE
Pfafftown , North Carolina
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I bought a stainless steel cam lock from Grainger.
Airstream - 2008 Safari 27FB SE (Sweet Pea)
TV - 2011 Ford F250 Lariat, 6.7 Diesel, 4X4 (Brutus)
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Old 03-19-2013, 12:36 AM   #5
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2010 25' FB Flying Cloud
mcminnville , Oregon
Join Date: Feb 2013
Posts: 12
I went to our local security/lock store and brought in my lock to the luggage compartment and they had a lock that fit the battery box it is an automotive style lock. I had them both keyed the same. thought one less key. then I had the water door keyed the same. One key three locks!
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Old 03-19-2013, 01:24 AM   #6
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2005 25' Safari
Salem , Oregon
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Hi, unless you drill two holes into the lid of the battery box and into the main body of the battery box, and install pad locks, you are wasting your time and money. The lid is only a thin piece of sheet metal and can be easily pried open.

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Old 03-19-2013, 04:44 AM   #7
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1977 31' Sovereign
1963 26' Overlander
1989 34' Excella
Johnsburg , Illinois
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Locks only help keep honest people stay honest. At best, they provide a time factor exposure to criminals, so honest citizen might see them and they decide to move on to an easier prey.
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Old 03-22-2013, 07:19 PM   #8
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2009 27' FB Flying Cloud
Colorado Springs , Colorado
Join Date: May 2011
Posts: 22
Propane tanks

While on the subject of locking stuff, I use a bicycle U-type lock for my propane tanks. Run it through both of the tanks and it keeps them and the cover secure. The cover and tanks would cost you 1K to replace. Much more expensive than two marine batteries. I also use the trailer safety chains and a serious padlock to secure my generator at the trailer tongue. Can barely hear my Cummins generator from that location also.
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Old 03-22-2013, 07:43 PM   #9
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2006 19' Safari SE
Tucson , Arizona
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Posts: 4,620
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I took the latch lock out of the battery box and took it to Ace Hardware where I found a direct replacement with a key...I also replaced the same locks on the outside frig compartment doors with the same lock, all keyed the same.

I do agree with ROBERTSUNRUS that this will only deter those who don't want to take the time to break into the battery box... If you really want to protect the battery box from serious intruders, you will have to be more aggressive.
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Old 08-18-2016, 01:45 PM   #10
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2005 30' Classic
Port St Lucie , Florida
Join Date: May 2015
Posts: 9
Unable to unlock 1 battery compartment

With the key, pliers and some WD 40 I finally got 1 battery box open. I haven't been able to open the other yet - the key bends. From the discussion above, it sounds like a replacement lock should be readily available. Since this is on the front of the trailer where all the water and dirt will hit, are there covers to protect a new lock from getting frozen up? Any suggestions on getting the other one open? Thanks!
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