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TOPIC: new USB ports and power outlets

new USB ports and power outlets 15 Jan 2016 03:56 #26

  • aspen1880
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The company that makes the 4+Amp USB 2-port adapter...
also makes a 7+Amp USB 3-port adapter. I ordered the 3-port, 7A model.
If it sucks, I'll post an update.

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new USB ports and power outlets 15 Jan 2016 19:08 #27

  • crazy_russian
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This is the one I suggested www.amazon.com/gp/product/B00P060GZI/ref...ilpage?ie=UTF8&psc=1 just making sure. The posts got confusing there.

aspen1880 wrote: I have the ipad air2.
2.1A charging *can* barely keep up with the navionics,
depending on the "active" ipad features. The ipad
features variable power consumption: the more running,
the more power consumed.

I often run: bluetooth, wifi, location services (gps), music, etc
and the 2.1A charging does NOT keep up. If I turn off
wifi and bluetooth, 2.1A charging does, barely, keep up.

The 4A charger suggested by the russian is a good way to go -
I'm ordering one.

On another thread, sarah mentioned that her ipad, sitting in the
sun, running navionics, on a hot ambient day, would overheat
and demand to be shutdown.

I have seen this too! The more features that are running, the hotter
the ipad will run. In my overheat scenario, I can hear a sound,
similar to an internal fan. I've noticed that the power consumption
is greater when the ipad is overheating. If any of those things
happen, the 2.1A charging does not work to keep up.

The navionics is wonderful. I augment it with a bunch of "check lists"
in the ipad Notes application. I have checklists for startup/shutdown
of a variety of tasks: running the Hino's or genset, windlass, davit winch,
heading to locks, docking, etc. The family knows about the checklists
in case they needed to do it without me.

Navionics is so good that I was motivated to find a similar app for
car travel. Navigon app from Garmin is the "navionics for the car".
Car has same problem with 2.1A charging... ;) Thanks crazy russian
for that amazon link!

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2005 Bayliner 222 hardtop, 5.0 2 bbl carb, 14x19 SS prop, 18x9 Bennet trim tabs with EIC. Noland analog to NMEA 2000 converter, Garmin GFS 10 fuel flow sensor

new USB ports and power outlets 16 Jan 2016 00:28 #28

  • windman
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Thanks just ordered cigarette lighter / usb combo one

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new USB ports and power outlets 24 Jan 2016 20:42 #29

  • Obi
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I am astonished that it does not work for some of you, Just to add that I have a similar usb fitting like the one pictured in the first post and it works fine to hold my iPad charge while it runs Navionics chart plotter app with integrated depthsounder .

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new USB ports and power outlets 24 Jan 2016 21:51 #30

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perhaps different ipad models consume different amounts of power?
mine consumes more than a 2.1a charger can deliver. I run BT, wifi,
gps (navionics), the music app (which is blasting over BT). on navionics,
i have the satellite imagry interlaced with the usual data.
my ipad has a chit-load of memory and the faster processor (both were
factory upgrades at the time of purchase). maybe that also causes
more power consumption than other models?

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new USB ports and power outlets 24 Jan 2016 21:58 #31

  • Obi
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Maybe you are right about different power consumptions for the different iPad models but I think it's more a matter of the particular USB charging unit you bought .

My socket charges the old IPAD II that I keep permanently on the boat bout it also charges my current IPAD air when I sometimes take it with me .

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new USB ports and power outlets 25 Jan 2016 03:41 #32

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I think you are right Obi. I'm at home with the ipad and I'm running
everything I usually run. I'm plugged into apple's charger. The
charger output sez 2.1A @ 5v. The ipad battery is slowly charging,
even with full sound and fully bright screen. There
must be something wrong with the 12V socket / USB converter on
the boat. It must not be putting out the 2.1A that it claims. I will
try a new adapter.

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Novurania 335DL. 30HP. WKRP in cincinnati. Previously: Bayliner 3818 in PNW.

new USB ports and power outlets 25 Jan 2016 05:15 #33

  • Ion66
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Lightsout wrote: I use the same charger however the one I use is also coupled with a LED Voltmeter. I have 3 of them on the Boat, both Helms and in in the salon, I like that at a glance I can see the house batter voltage at all times.

I have no problem charging an Ipad Air 2 that is what the 2.1A is for

Buy for $19.98 here on Amazon (with Prime



Very cool! I've been debating on how to update the power on my 96 2252 Capri. For some reason, despite being a 23 foot boat with a sink and stove and overnight capabilities, the only power outlet (no shore power) is a single cigarette lighter, down near the stereo. The boat also has a single battery and no switch. Currently, I have my chart plotter plugged into the outlet. I have a spare battery from my old boat (it was a few months old, so I grabbed it) although it's a starting battery. The deep cycle was a few years old so I left it. I'm adding a switch, but debating going dual battery, and running wiring up to the helm area and adding an outlet in the cabin. My other thought is a battery pack for my charging needs. Anyone have luck (good or bad) charging from the USB plugs or cigarette plugs on those sorts of devices?

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new USB ports and power outlets 26 Jan 2016 04:33 #34

  • green650
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Ion66 wrote:

Lightsout wrote: I use the same charger however the one I use is also coupled with a LED Voltmeter. I have 3 of them on the Boat, both Helms and in in the salon, I like that at a glance I can see the house batter voltage at all times.

I have no problem charging an Ipad Air 2 that is what the 2.1A is for

Buy for $19.98 here on Amazon (with Prime



Very cool! I've been debating on how to update the power on my 96 2252 Capri. For some reason, despite being a 23 foot boat with a sink and stove and overnight capabilities, the only power outlet (no shore power) is a single cigarette lighter, down near the stereo. The boat also has a single battery and no switch. Currently, I have my chart plotter plugged into the outlet. I have a spare battery from my old boat (it was a few months old, so I grabbed it) although it's a starting battery. The deep cycle was a few years old so I left it. I'm adding a switch, but debating going dual battery, and running wiring up to the helm area and adding an outlet in the cabin. My other thought is a battery pack for my charging needs. Anyone have luck (good or bad) charging from the USB plugs or cigarette plugs on those sorts of devices?


I added 2 house batteries to my 2252. I cut an access port starboard side below the gunnel. They fit in there nicely. I also relocated my start battery to the starboard side aft, accessible thru the stock door in the transom. That kept power wires from battery to MBSS to starter nice and short. I sold that boat last summer and the guy I sold it to just called me today. Said it still runs awesome and he had it over 50mph and wanted to buy one of my motorcycles.

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new USB ports and power outlets 29 Feb 2016 14:07 #35

  • Jolakki
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Any idea how accurate that voltage display is?

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'89 2455 with 5.0 OMC

new USB ports and power outlets 04 Apr 2016 16:21 #36

  • TRT
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Wow, wish I had seen this. I paid $45 for same at west marine.

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new USB ports and power outlets 04 Apr 2016 17:22 #37

  • RobMick
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Wow....you "big boys" are draining.....pun intended....wouldn't it make more sense just to buy the chart plotter, gps and other electronic devices that you need and hardwire them to your power source as opposed to running 10 different apps on your iPad? I understand we all need info, but how many apps do you look at at the same time as another? Is it a cost issue with the purchasing all of those different systems?

I guess I am really out of touch being in our inland lakes chains here in Michigan...

Interesting discussion however...

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Hell, Michigan (yes we really live in a city named "Hell" in Michigan)
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new USB ports and power outlets 04 Apr 2016 18:05 #38

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A couple things, someone mentioned the ipad in the sun overheating. They can run hot but the sun shining directly on the ipad is what is likely causing the overheating. Ipads cool by dissipating heat through the back cover, so keep direct sunlight off the unit and try to keep the back exposed to the air, i.e. not in a thick insulating case.

Secondly, those usb port/voltmeters are currently 10 bucks on amazon. i just bought two!

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88 Capri 2150 305 OMC
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Cincinnati, OH

new USB ports and power outlets 04 Apr 2016 19:05 #39

  • green650
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RobMick wrote: Wow....you "big boys" are draining.....pun intended....wouldn't it make more sense just to buy the chart plotter, gps and other electronic devices that you need and hardwire them to your power source as opposed to running 10 different apps on your iPad? I understand we all need info, but how many apps do you look at at the same time as another? Is it a cost issue with the purchasing all of those different systems?

I guess I am really out of touch being in our inland lakes chains here in Michigan...

Interesting discussion however...


I use my ipad in 3 different boats. I prefer that to buying 3 different chart plotters. I also take it home and can plot stuff on my couch while watching TV.

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new USB ports and power outlets 04 Apr 2016 19:17 #40

  • RobMick
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Gotcha, makes some sense to me now...

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Hell, Michigan (yes we really live in a city named "Hell" in Michigan)
2012 BR 185 - 3.0 TKS
1999 Chaparral 233 Sunesta Ltd., 5.0 Volvo
1985 Harris Flotebote Classic 240
1993 Yamaha Waverunner III VXR
1993 Yamaha Waverunner III
1995 Yamaha Waverunner III GP
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new USB ports and power outlets 14 Apr 2016 15:40 #41

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Jolakki wrote: Any idea how accurate that voltage display is?


I tested mine as soon as they arrived. The were within a few hundredths of a volt when compared to a cheap multi tester.

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88 Capri 2150 305 OMC
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new USB ports and power outlets 14 Apr 2016 18:37 #42

  • green650
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I think the thing with these things is, you never know what you are getting when you buy generic Chinese stuff on ebay. It may say 2.1 amps or UL listed, but, its Chinese so who knows. :unsure:

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new USB ports and power outlets 14 Apr 2016 22:53 #43

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Lightsout wrote: I use the same charger however the one I use is also coupled with a LED Voltmeter. I have 3 of them on the Boat, both Helms and in in the salon, I like that at a glance I can see the house batter voltage at all times.

I have no problem charging an Ipad Air 2 that is what the 2.1A is for

Buy for $19.98 here on Amazon (with Prime



Thanks for the link. I just ordered two. The price has changed. They are listed as $9.99 each with a $2 automatic promo deduction. Free shipping with Prime. Can't beat that.

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new USB ports and power outlets 17 Sep 2016 23:31 #44

  • Whitelightin
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How did you cut the hole? Drill bit or hole saw?

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new USB ports and power outlets 18 Sep 2016 13:40 #45

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Whitelightin wrote: How did you cut the hole? Drill bit or hole saw?


Hole saw.
The following user(s) said Thank You: Whitelightin

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new USB ports and power outlets 19 Sep 2016 00:43 #46

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Found an adapter type that I plug into the 12v socket when I need to. I ran the wire under the trim piece to under the dash where I have it secured behind a wiring harness. I thought it would be better than cutting into the dash, at least I felt more comfortable this way. I have sealed the power cord along the underside of the trim piece with a clear sealant. The adapter has both the 1.0 and 2.1 USB power ports, as well as 2 12v sockets. It works great and happens to match my now "blue" gauges when in use..




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Hell, Michigan (yes we really live in a city named "Hell" in Michigan)
2012 BR 185 - 3.0 TKS
1999 Chaparral 233 Sunesta Ltd., 5.0 Volvo
1985 Harris Flotebote Classic 240
1993 Yamaha Waverunner III VXR
1993 Yamaha Waverunner III
1995 Yamaha Waverunner III GP
1995 Yamaha Waverunner III VXR PRO

new USB ports and power outlets 21 Sep 2016 10:22 #47

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Closer pics...works great and not permanent if I don't want to keep it...


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Hell, Michigan (yes we really live in a city named "Hell" in Michigan)
2012 BR 185 - 3.0 TKS
1999 Chaparral 233 Sunesta Ltd., 5.0 Volvo
1985 Harris Flotebote Classic 240
1993 Yamaha Waverunner III VXR
1993 Yamaha Waverunner III
1995 Yamaha Waverunner III GP
1995 Yamaha Waverunner III VXR PRO

new USB ports and power outlets 21 Sep 2016 15:46 #48

  • B95054
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FYI

An Ipad draws a maximum of 2.1 Amps which is why most chargers are rated for 2.1A. Many chargers are built with 2.1 charging capability and then split to feed 2 devices. This lowers the charging rate, so what some manufactures have decided to do is create a "high side and low side" charger. What this means is that one port will charge quickly while the other trickles in slightly. Or the put it in real world terms - one side might charge from dead at in around 5 hours while the other side takes 12 to 14 hours.
The best chargers start at 3.0 Amps which just happens to be the magic number that allows the load share to give two dead devices charging simultaneously around 2.0 Amps each.
Just to make matters a tiny bit more confusing - you need to use an Apple cord (not the $2.00 knockoff versions). When the device recognizes that it is not an approved Apple cord, the device itself slows the charge rate so that it can protect itself from any uncontrolled manufacturing flaws.

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new USB ports and power outlets 28 Sep 2016 14:42 #49

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B95054 wrote: FYI

An Ipad draws a maximum of 2.1 Amps which is why most chargers are rated for 2.1A. Many chargers are built with 2.1 charging capability and then split to feed 2 devices. This lowers the charging rate, so what some manufactures have decided to do is create a "high side and low side" charger. What this means is that one port will charge quickly while the other trickles in slightly. Or the put it in real world terms - one side might charge from dead at in around 5 hours while the other side takes 12 to 14 hours.
The best chargers start at 3.0 Amps which just happens to be the magic number that allows the load share to give two dead devices charging simultaneously around 2.0 Amps each.
Just to make matters a tiny bit more confusing - you need to use an Apple cord (not the $2.00 knockoff versions). When the device recognizes that it is not an approved Apple cord, the device itself slows the charge rate so that it can protect itself from any uncontrolled manufacturing flaws.

I have noticed that some of my long charging cords from China, my phone will say not a recognized device and will not take a charge. And those cords don't last very long before they stop working.

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new USB ports and power outlets 28 Sep 2016 16:18 #50

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green650 wrote: I have noticed that some of my long charging cords from China, my phone will say not a recognized device and will not take a charge. And those cords don't last very long before they stop working.


Very perceptive. Apple changed their OS three or four versions ago, adding a feature that monitors current, stopping charges when below/above a narrow margin. Some say it's to make you buy Apple or MFi products, others say it's just to ensure good products out there. Many low quality OEM charges and cables suddenly stopped working. Others deteriorate quicker and stop working soon. Long cables add resistance and have more chance of eventually dropping current too.

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