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Old 16 August 2017, 12:29   #1
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VHF Charging in Console

I've hatched a possibly silly plan to see if I can mount the charging cradles for my 2 standard horizon handhelds in the console. I have 12v charging adaptors and my plan would be to run 2 dedicated 12v sockets for them and leave the adaptors permanently in place in a sealed unit of some kind. The cradles would be fitted inside a (hopefully) dry console with retaining bungee/straps for the handhelds. Wiring would be post-isolator so they would charge underway and/or off one of the batteries.

Has anyone either done this on a RIB, tried it, of have any thoughts of any way it could all go wrong...
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Old 17 August 2017, 07:00   #2
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I have a 12V accessory socket on my boat that the h/held GPS permanently charges from. It is not the most robust connection, so easily knocked etc. it contains a 12-3.5(?)V step down which is why I use it - do your handhelds need similar - as it would be nicer to miss the accessory socket completely (even if they don't come out, connections corrode over time etc).
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Old 17 August 2017, 07:20   #3
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I also have a 12v accessory socket in my jockey console, under the seat which is pretty dry. I have an in car USB adapter for charging the handheld, phone etc., can charge my jump start power pack from it and power a spot light. It also acts as a handy plug in for my battery maintenance charger when the boat is out of the water. The socket is a Marinco one and is very robust and suited to marine use.

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Old 17 August 2017, 08:11   #4
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If like mine your standards charge from 12V then you can hardwire them.

I guess the 12V Cig lighter is good if you do need to charge other items but a hardwired connection to a fuse block would be less likely to fail.

Something like this Standard Blade Fuse Box With LEDs - 4 Way | 12 Volt Planet would give you the abality to hardwire the 2 charger bases and expand if needed and add 12v / 24v Twin USB Power Socket and Cigar Lighter | 12 Volt Planet so you can charge phones and other devices
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Old 17 August 2017, 08:38   #5
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Unfortunately the charger output is 10.5v for a 7.4v battery so I'm not sure they would like being hardwired to a battery that is potentially 13v (although they might be fine). I already have the 12v socket in a dual unit with some USB outputs as well.

I might be inclined to do a dedicated socket eventually with soldered connections.
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Old 21 August 2017, 17:02   #6
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Checked the base of my charger and it's rated 12-16v input and 8.4v output and another was 12-16 input 7.4 output these are both SH bases
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Old 21 August 2017, 21:16   #7
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Thanks - missed that incredibly hard to read little engraving on the charger cradle!
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Old 31 October 2017, 08:25   #8
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Hi Andy, unless you can keep it dry and moisture free, you will have problems. We had an ICOM one hardwired into a waterproof locker, on a declared facility Lifeboat with heated cabinets, albeit the boat was kept afloat. It was a constant problem. Id charge them ashore and take them with you, and spare battery if you want belts and braces.
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Old 31 October 2017, 08:57   #9
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Quote:
Originally Posted by Steve Zodiac View Post
Hi Andy, unless you can keep it dry and moisture free, you will have problems. We had an ICOM one hardwired into a waterproof locker, on a declared facility Lifeboat with heated cabinets, albeit the boat was kept afloat. It was a constant problem. Id charge them ashore and take them with you, and spare battery if you want belts and braces.
I'll second that. If you can use a full battery on a handheld over a weekend, you'll be annoying everyone around you with the amount you're talking
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Old 31 October 2017, 14:54   #10
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Unless it's a DSC handheld in which case you'll be lucky to get a whole day out of a set of batteries.
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