ODC 420 and Sonar batteries

[jnbsigma]

I have been using the bit [url "http://www.cabelas.com/cabelas/en/templates/links/link.jsp?id=0036388018049a&type=product&cmCat=SEARCH&returnPage=search-results1.jsp&QueryText=12v+battery&N=4887&Ntk=Products&Ntx=mode+matchall&Nty=1&Ntt=12v+battery&noImage=0"]7 amp one from Cabelas[/url] and have been able to fit it into the back left small pocket on my ODC 420. The problem with the pocket is the zippers that are too small, so I actually just cut the top of the divider between that pocket and the main one and then slip the battery in through there. It also helps to put the battery in while the bladder is only partially inflated. Keeps it nice & tight.
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