Electronics • Garmin Gpsmap 557xs - battery

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Garmin Gpsmap 557xs - battery

Postby paulsod » Sun Dec 01, 2013 12:52 pm

Well I bought myself a over the top unit for the A.I., a Garmin Gpsmap 557xs.
Now I am looking for a battery for it.
Specs are: Typically current draw at 12Vdc is 450 mA.
Max current draw at 12Vdc is 2.7 A
I doubt it will go near the 2.7 A as I won't have attached any of the many devices it can handle.
Picture of it's rear below.
gpsmap-557xs-04.jpg
gpsmap-557xs-04.jpg (22.87 KiB) Viewed 2632 times

The only 2 plugs at the back without rubber plugs are the yellow and red ones on the right.
I will be making some sort of housing to protect the back from splashes/waves later and using silicone to seal the card reader at the front.

Now I look at the postings about Li-ion batteries and Paulos 12V 7.5Ah Fusion Lithium LiFePO4 Deep Cycle Battery looks the best, but, at $148 + postage it's a little bit high for me. So the one at BuyinCoins (New DC 12V Portable 9800mAh Li-ion Super Rechargeable Battery Pack #2) looked the goods. Except because of the Airlines limitations cannot be sent anywhere except Russia.
So I would have thought that would have applied to any Li-ion batteries bought from overseas.
Is that right?
Has someone bought one recent, say, the last month, that is working as it should?
Do I have to go back to my 12v9ah sla battery?
Cheers
Paul
Best in yak:- Gold-spotted Sweetlip - 44cms, Snapper - 75cms, Estuary Cod - 54cms, Dusky Flathead - 49cms, Long Tail Tuna - 104cms, Grass Emperor - 54cms, School Mackerel - 64cms, Giant Trevally- 63cms, Mulloway - 89cms
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Re: Garmin Gpsmap 557xs - battery

Postby spottymac » Sun Dec 01, 2013 7:27 pm

Nice unit, I bought 1 myself and found the Li-lon 12v/9800 ma battery was going flat after 3 hrs use with the standard 300w transducer so needed to take extra battery on the big trips,
I have forked out for the Chirp Airmar B-155KHZ/300W transducer and what a difference it made it is Awesome but sucks the power, I am now running a 12v/18 flat in 6 hrs :shock:
I made a cover from some ele conduct and clear plastic from Bunnings and used duct tape to stick it together and it clips on with a rubber band to hold in place .
Regards,

Stu

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Re: Garmin Gpsmap 557xs - battery

Postby paulsod » Mon Dec 02, 2013 6:35 pm

Thanks for the reply Stu.
Is your Chirp a Airmar TM150M Transom Transducer and how have you got it mounted?
Actually came across this one later, Garmin Airmar B150M Bronze Thru Hull 20' Tilt (95-155kHz) 300w Transducer.
I am waiting for my Fishing Rod Holders and Sounder mount to arrive from the states, hopefully before xmas.
The battery is going to be a bugger if the sounder is sucking that much juice.
Was trying to look at a solar panel to charge it while on the move.
cheers
Paul
Best in yak:- Gold-spotted Sweetlip - 44cms, Snapper - 75cms, Estuary Cod - 54cms, Dusky Flathead - 49cms, Long Tail Tuna - 104cms, Grass Emperor - 54cms, School Mackerel - 64cms, Giant Trevally- 63cms, Mulloway - 89cms
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Re: Garmin Gpsmap 557xs - battery

Postby spottymac » Mon Dec 02, 2013 9:45 pm

Yes I used the 12 deg from Whitworths, you just have to be brave enough to cut a hole through the hull,

https://www.whitworths.com.au/main_item ... lutePage=1

The other option is the cheaper Transom mounted AIRMAR TM 150M Chrip 95- 155khz /300w , I am not sure if this will work as a shoot through hull I think it may generate to much heat and lose to much of the Awesome sonar image, there may be more expensive models that will do this in a oil bath,

https://www.whitworths.com.au/main_item ... lutePage=1
Regards,

Stu

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Re: Garmin Gpsmap 557xs - battery

Postby paulsod » Tue Dec 03, 2013 6:24 pm

Hi Stu.
No! I wouldn't be game enough to put a hole through the hull. Especially if I wanted to sell the kayak and keep the sounder.
I been looking at the Tm150, thought I saw one for $224 somewhere. Might have been another brand and not Garmin.
I couldn't believe my eyes when I saw Northside Marines' latest catalogue, they are at Boondall. I drive pass them on the way home from work.
They have got our Garmin Gpsmap 557xs with the Tm 150 chirp transducer for only $939.
I got my sounder with the standard transducer for $809 and thats only because the seller missed the 9 in the middle.
He soon corrected that mistake and was good enough to honour the deal.
He had the sounder without a transducer for $854 which was a good deal at the time.
The cheapest Garmin Tm150 that I have came across is the same as yours for $299 which would make my total $1,1069.
Might just use the standard one and see if the Tm150 comes down in price.
cheers
Paul
Best in yak:- Gold-spotted Sweetlip - 44cms, Snapper - 75cms, Estuary Cod - 54cms, Dusky Flathead - 49cms, Long Tail Tuna - 104cms, Grass Emperor - 54cms, School Mackerel - 64cms, Giant Trevally- 63cms, Mulloway - 89cms
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Re: Garmin Gpsmap 557xs - battery

Postby paulsod » Sun Dec 08, 2013 10:02 am

Looks like BuyinCoins is back, selling Li-lon 12v/9800 mAH batteries to Australia.
Best in yak:- Gold-spotted Sweetlip - 44cms, Snapper - 75cms, Estuary Cod - 54cms, Dusky Flathead - 49cms, Long Tail Tuna - 104cms, Grass Emperor - 54cms, School Mackerel - 64cms, Giant Trevally- 63cms, Mulloway - 89cms
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Re: Garmin Gpsmap 557xs - battery

Postby dreads » Mon Dec 30, 2013 8:27 am

Hi, I just bought the same unit but are confused already. It`s my first fish-finder and first post on the forum so go easy.

My unit seems to have an incompatible power cable. Here is the back of my unit:

IMG_20131230_090548.jpg


It has an eight-pin power connection (unlike the two-pin photos I see online), but my power cable is only 2 pin.

Have I been sent the wrong cable with my unit or is there supposed to be an adapter in the box? Or am I missing something obvious?
Thanks,
David
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Re: Garmin Gpsmap 557xs - battery

Postby spottymac » Mon Dec 30, 2013 9:19 am

You need the red 8 pin plug cable to connect to F/F and use the black and red wire to connect to the battery power at the other end of the cable
Hope this helps
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Regards,

Stu

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Re: Garmin Gpsmap 557xs - battery

Postby dreads » Mon Dec 30, 2013 9:26 am

Thanks Stu, so if they only sent me a two pin cable then I`ve got the wrong one?
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Re: Garmin Gpsmap 557xs - battery

Postby dreads » Mon Dec 30, 2013 10:01 am

Sorry, what I mean is did you receive an eight pin cable, not a two pin?
Thanks.
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Re: Garmin Gpsmap 557xs - battery

Postby spottymac » Mon Dec 30, 2013 10:05 am

Yes it was in the box with the F/F
Regards,

Stu

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Re: Garmin Gpsmap 557xs - battery

Postby dreads » Tue Dec 31, 2013 8:14 am

Thanks, I'll try and sort it out with the retailer.
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Re: Garmin Gpsmap 557xs - battery

Postby spottymac » Wed Jan 01, 2014 10:18 am

Awesome F/F
Last edited by spottymac on Wed Jan 01, 2014 10:37 am, edited 1 time in total.
Regards,

Stu

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Re: Garmin Gpsmap 557xs - battery

Postby spottymac » Wed Jan 01, 2014 10:35 am

It is a Awesome Sounder and GPS
I went for the 557xs over other F/F after reading this review,
http://www.boatfishing.co.za/viewtopic.php?f=65&t=1713
I have my 557xs set on white background and I leave it on Auto Chip.
I am getting the same echo sounder screen shots as in the review.
Regards,

Stu

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Re: Garmin Gpsmap 557xs - battery

Postby dreads » Thu Jan 16, 2014 2:43 pm

I bought mine from here, and it included an Airmar TM150 transducer:
http://www.nautek.com.au/garmin-gpsmap- ... ransducer/

The instruction manual for the TM150 does say it has to be in the water or it will overheat. There is an optional suction cup kit you can buy which I'm thinking about:
http://www.airmartechnology.com/uploads ... 125-02.pdf

I was also thinking of going through the hull but I'm not sure if that would be enough cooling for the transducer or not.

Anyone know of a good way to do a transom mount?
Thanks,
David
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