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Tomtom Go 720 Replacement Battery
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dhn
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PostPosted: Fri Oct 23, 2009 9:22 pm    Post subject: Reply with quote

Gary, I think the real question is whether that item is available in North America. I did a quick search and did not find an outlet.
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garcor
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Location: Nova Scotia & Florida in Winter Go 920 App 8.351 Maps NA 850 & C/W EU 830

PostPosted: Fri Oct 23, 2009 10:11 pm    Post subject: Reply with quote

dhn wrote:
Gary, I think the real question is whether that item is available in North America. I did a quick search and did not find an outlet.

Yes David you are correct it would be easer if it could be found some place in NA, like you I did a search and couldn't find one at this time here.

I believe it could be order and shiped to NA from Europe,
I haven't looked into this yet so I am not sure if this is possable.

For the most part I wouldn't need it as although my battery is dead my unit still works on car and on my optional home charger or with computer charger through home.
However I am hoping to take a trip to Europe next spring and it would be handy to have this type of external power that would have 10 hrs of run time as I will not have anyway charging the unit while I am on the move.
( I would be able to recharge the external power pack when I get back to hotel at night via home charger)

Gary
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MarkMarkB
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PostPosted: Sat Oct 24, 2009 11:50 am    Post subject: Re: Alternative to replacing the battery Reply with quote

stuart wrote:
There is also this option which might be alot easier..

http://www.pdamods.com/proddetail.asp?prod=111A1TT720EXTBATPACK


This is exactly the device that I meant when I referred to "Portable Battery Pack Mount Holder For Tomtom 920 930T". I sourced both my items from UK Ebay, I should think that postage to the US wouldn't be that expensive.

As for battery life, I haven't tested mine fully yet, but I am sceptical about 10 hours. The device contains twice the capacity of the internal TomTom battery, and I never got 5 hours from that. If you are out and about without access to any power source, I would be tempted to get the other device powered by 4 AA cells. At least with this you can carry some spare cells in case you run out of juice. The device is small and attaches via a short lead.

If you put these two descriptions in www.ebay.co.uk you will find the items.

Battery-Extender-Charger-for-TomTom-Go-930-930T

Portable-Battery-Pack-Mount-Holder-For-Tomtom-920-930T

Both sellers offer worldwide postage.
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psyskiesman
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PostPosted: Sat Oct 24, 2009 12:09 pm    Post subject: Reply with quote

There is also another type, it's a lithium-ion power pack the size of a cassette tape and I can confirm it does the business. Type "PortaPow USB Battery (Duracell Instant Charger)" into eBay search. I've used mine to recharge my mobile phone and My TomTom when a car I was collecting from a client had a dead ciggie socket; I couldn't risk driving over 200 miles without external power.
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mikealder
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PostPosted: Sat Oct 24, 2009 12:39 pm    Post subject: Reply with quote

Another product to consider is the U2O battery packs, whilst my usints in this picture are sat next to a different GPS device they will work fine with a TomTom unit

Satmap active10 with the 5400mA power pack plugged in, top right is an earlier U2O 3600mA power pack which is still working well.

Mike
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garcor
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Location: Nova Scotia & Florida in Winter Go 920 App 8.351 Maps NA 850 & C/W EU 830

PostPosted: Sat Oct 24, 2009 1:05 pm    Post subject: Reply with quote

Thanks all for the different suggestioins!!

My delema now is I am wondering if my unit has become an expencive paperweight.

As I had posted earlier my unit was coming on and working fine when hooked to car or (optional) home charger and it would connect to home when on docking station.
I tried a pin reset and a clear flash and now my unit will only come on for a few seconds and because of the short time it doesn't fully boot up.

I tried holding the power button down and I had a screen come on with two columns of about 10 lines each of information but won't stay on long enough to read them all.

So my dilemma is, is it my battery or something else?
I don't want to through good money after bad.

Gary
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garcor
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Location: Nova Scotia & Florida in Winter Go 920 App 8.351 Maps NA 850 & C/W EU 830

PostPosted: Sun Nov 01, 2009 4:05 am    Post subject: Reply with quote

This is just a follow up as to what my results we as to replacing my battery in my Go-920
First of this is not recommended by Tom-Tom or by myself.
In fact Tom-Tom states that the battery is not replaceable.
( So you are at your own risk )

I was to a point where ether a new battery would fix my problem or I would have to replacement my unit. It was out of warranty so I felt I had nothing to loose.

My unit had gotten to a point that it wouldnít boot up at all even with car charger/AC charger or docking station.

I first took my battery out and tried running my unit just hooked up to car charger but it still wouldnít boot up.

So after replacing the battery and letting it charge up for a few hours it booted up fine and I am happy to report that all is well.

There is just a couple of pointers that I would like to mention it as been said the battery is hard to remove and it is.
What I did is gently pry up from the side applying a little pressure at a time rather than on the end of the battery sort of like spreading your weight over a wider area on thin ice. This should help prevent you from cracking you board??




I didnít try using WD-40 but that might work in helping dissolving the adhesive.
(Perhaps someone else can comment on this)

When I went to put the battery back in I used the double sided sticky tape that you get to hold the 3M Medium wall hooks on and I just left the extra pull tab sticking out so if and when I need to replace the battery again it should be much easier to get the old battery out.



I didnít try using WD-40 but that might work in helping dissolving the adhesive. It works great on taking stickers etc off stuff.
(Perhaps someone else can comment on this)


Now when I went to put the battery back in I used the double sided sticky tape that you get to hold the 3M Medium wall hooks on and just left the extra pull tab sticking out so if and when I got to replace the battery again it should be much easier to get battery out.

( Two of this size strips cover to complete bottom of battery )










Bottom line this is not to difficult but don't be in a hurry easy dose it.


I will let unit charge over night on docking station before I can comment on how long it will last after a full charge.
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peasemore
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PostPosted: Sun Nov 01, 2009 12:33 pm    Post subject: Battery grief Reply with quote

My 720T has suffered this failure; as I have free extended cover via cr card used when bought, I'm getting repaired by insurer's repairers.

Been away over a month, as transpires they had to send back to TT.

This has happened with 18mth old unit; if I hadn't had this cover I may have pursued TT as I recall that Euro law offers minimum 2 yr warranty, as TT used to offer as standard.
UK Law has some provisions too for up to 7 years I recall.

TT themselves besides offering a non green product as fails so soon, are denying themselves a revenue stream ie if they redesigned (Don't believe newest units are any easier re battery change) so that user could buy and easily install replacement batteries.
We know they are losing money hands over fist at moment.

Are other manufacturer's units any better???

I sell a consumer safety product that has cheap models under a fiver, and we guarantee for 5 yrs exc battery which is easily changeable. Sad Sad
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Gel
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Mazda CX-5 built in SatNav- not sure if TT or not. Garmin NUVI in reserve.
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garcor
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PostPosted: Tue Nov 03, 2009 12:57 pm    Post subject: Reply with quote

Well here is the good & the bad news

Good news battery fit fine.

Bad news it would not fully charge It did however allow me to get enough charge to boot up and log onto home for updates. I went into reset defaults on my unit ad did so thinking this might allow me to get a full charge but no such luck. Yesterday when I tried to hook up to computer with docking station a got a message pops up on the computer (something about bad USB port). Then my unit wouldn't come on reset or anything. So I took it apart again and after looking at Circuit board very carefully with a magnifying glass I noticed just over USB plug in port area on the printed board that was burnt.

I have conceded that my unit is toast . It will be good for some spare parts ( like screen,remote, docking station etc etc. and a new battery if I get another 920 and I most likly will.
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mikealder
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PostPosted: Tue Nov 03, 2009 2:02 pm    Post subject: Reply with quote

I have a 530 from a mate that needs the battery changing so I will update the earlier post on how to change the battery as I have an idea on how to get them out without pulling the old cell from the PCB, if it goes wrong I have a CO2 bottle on the bench for fire fighting - Mike
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garcor
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PostPosted: Tue Nov 03, 2009 9:18 pm    Post subject: Reply with quote

Good Luck Mike
Keep us posted if you find a better way around the battery removal.
Gary
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mikealder
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PostPosted: Tue Nov 03, 2009 9:47 pm    Post subject: Reply with quote

garcor wrote:
Keep us posted if you find a better way around the battery removal

"Duck Oil" which is similar to WD40 a small amount then leave it for 10 mins and glue returns to a gel like substance, clean the mess off the PCB with contact cleaner and away you go (The idea of pulling the outer case off the battery was a waste of time as thats held on more securely than the damn attachment to the PCB) - I have the pictures on the camera but they won't get posted tonight as I am still trying to resolve the mess I have made by connecting two iPhones to the same account and cloning device - Not very clever when one of them is for the wife to use!
My mate is happy though as his device is fully functional, I even tried to set fire to the old battery once it was removed but it was past the point of holding enough charge to do much more than vent a small amount of gas (big disapointment) - Mike
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dmac
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PostPosted: Sat Nov 07, 2009 12:29 pm    Post subject: Reply with quote

Sort of a me too posting........ Sad Sad units just outside 1 year warranty and will only work when connected to power scource.
Perhaps a visit to trading standards required especially if many others are experiencing similiar probs.
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tgold
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Location: UK or USA from time to time.

PostPosted: Sat Nov 07, 2009 11:18 pm    Post subject: Re: Battery grief Reply with quote

peasemore wrote:
if I hadn't had this cover I may have pursued TT as I recall that Euro law offers minimum 2 yr warranty, as TT used to offer as standard.

Just to clear something up - there is no European 2-year warranty law. The European directive says countries must give consumers up to 2 years in which to bring an action for faulty products, but the UK allows 6 years limitations anyway so the Eu directive added nothing for us. But whether a product is faulty must be proven by the consumer and the expected life of their purchased product has nothing to do with those 2 years.

Tony
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peasemore
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PostPosted: Sun Nov 08, 2009 10:04 am    Post subject: Euro law Reply with quote

There's guidance at
http://ec.europa.eu/consumers/cons_info/10principles/en.pdf

But I'd have thought that it was fairly easy {for consumer} to demonstrate a fundamental fault in the product failing after such a short time & within the Euro 2 year period.
The fact that TT are saying battery can't officially be replaced weakens their case further.

Still waiting for mine to come back; the Insurer's repairer "www.Camtronics.co.uk" couldn't fix so sent back to TT.
However they then rejected the repair, so it's gone back to TT again.

Does any other satnav makes have easier battery swap facility??
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Gel
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