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HomeHomeDiscussionsDiscussionsCruising Discus...Cruising Discus...Seperate battery for your VHFSeperate battery for your VHF
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08/10/2013 14:36
 
I would recommend the addition of a seperate battery solely for your VHF as in the event of flooding your service batteries will be the first to go leaving you with no radio.
I have fitted a small 12v battery behind the instrument panel which is almost at deck level. This battery is connected to and powered by the feeds to the instrument panel and by the inclusion of a blocking diode will not backfeed to the main batteries so it will maintain full power charge. The VHF supply is taken directly off this battery and so in the event of flooding will continue to operate well after the main batteries are submerged. If you have activated your DSC Distress button then the radio will continue to send your location every 4 minutes.
All you need is a small 12v battery (motorcycle, lawnmower, fire alarm) which costs about €35, Diode about €8, 6 mm cable, connectors and a strap to secure the battery. The total cost is about €50 and the job takes about 2 hours. Well worth doing over the winter layup and could be priceless.
eMail if you need advice: dermot@sailingireland.ie
Dermot Greer, Sailing Ireland, Kilmore Quay.
 
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