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Has anyone replaced the battery in their Garmin 520 Edge?

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Has anyone replaced the battery in their Garmin 520 Edge?

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Old 10-20-17, 09:12 PM
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Radish_legs
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Has anyone replaced the battery in their Garmin 520 Edge?

I see that you can buy a battery kit for the 510. But I can't find anything on replacing a 520 battery.

I think you can send it in to Garmin and get a refurb replacement or battery replacement for something like $70.

The video on replacing the battery on the 510--the 510 has screws, the 520 does not. I can't find a video on how to disassemble the 520. I don't know if the 510 battery is the same as the 520.
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Old 10-20-17, 09:32 PM
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https://ifixit-guide-pdfs.s3.amazona...e_92578_en.pdf
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Old 10-21-17, 12:07 AM
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Thanks. Now I need to find out whether the battery is the same as the 510.
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Old 02-13-18, 04:22 PM
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Rebooting this thread:
My 520 battery charge is lasting less time. I'm hoping I can replace that rechargeable, but there is NO INFO I can find, and no kit from Batteries for Garmin, Magellan, TomTom, Kindle, Palm, Sony, iRiver... even though they have a 500 and 510.

Anyone find anything or have a hint? The iFixit guide doesn't go into battery replacement, or tell me what battery I need.
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Old 02-13-18, 06:44 PM
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Have you asked Garmin about the cost for a swap?
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Old 02-13-18, 09:55 PM
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Originally Posted by hammond9705 View Post
Have you asked Garmin about the cost for a swap?
It may come to asking Garmin, but communicating with a company that size is never easy. Maybe they answer email, maybe not. Or you spend hours on hold. I'm still hoping for an answer here.
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Old 02-14-18, 12:14 AM
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You'll notice no screws on the 520-- it's glued/taped together. The battery is essentially not user-replaceable. My battery life is down to about 7 hours or so, and that's with no Nav use and the backlight turned off. Garmin will replace the battery for about 80 bucks. I'm hoping the 520 will be my last Garmin.
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Old 02-14-18, 07:29 AM
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Garmin might not be responsive about how mediocre their units are, but swapping units for something like a battery issue seems to be just fine. I just run my 800 off of an external battery most of the time, so I'm not sure what the current runtime is.
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Old 02-14-18, 01:48 PM
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If you are in the USA, then it is my opinion that Garmin support is pretty helpful. But you have to call them on the phone, do not email them. There can be a long wait time, but when hold times are long, their phone system will allow you to key in a call back number and they will call you back just as if you waited in the queue.
GARMIN PRODUCT SUPPORT
U.S. 913-397-0872 | 1-888-442-7646
Canada 1-866-429-9296
They have an "Out of Warranty" flat rate repair. It currently shows $99 for the Edge 520. You'll get a re-furb'd unit though, so make sure you save whatever you want off the other if they require you to send it in.

As for those sites that show replacing batteries in various Garmin Edges, it's something you really have to consider how well you think you might be successful. I've seen many posts on Garmin's forums and other forums from people that tried and screwed up.
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Old 02-14-18, 05:35 PM
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Originally Posted by cccorlew View Post
It may come to asking Garmin, but communicating with a company that size is never easy. Maybe they answer email, maybe not. Or you spend hours on hold. I'm still hoping for an answer here.
I have called Garmin several times over the past few years. I've frequently gotten what I needed from the first person who answered, they follow up with email, and they have a good replacement program for out of warranty units (around $80-100 for a refurbished unit). They've even worked with me and let a new unit and my old unit cross in teh mail for a warranty issue.
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Old 06-19-18, 03:26 AM
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I was looking to replace the battery on mine, as it now struggles to get much past 10 hours (20+ when new) but I'm now convinced its a problem with the unit itself not the battery as there are plenty of unhappy 520 owners out there.

eg: I did a runtime test with the backlight left on full, it took a little over three hours to get down to 3%, but didn't shutoff until just over 5 hours. I wonder if the battery management changed in a software version.
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Old 06-19-18, 06:09 AM
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Originally Posted by znomit View Post
I was looking to replace the battery on mine, as it now struggles to get much past 10 hours (20+ when new) but I'm now convinced its a problem with the unit itself not the battery as there are plenty of unhappy 520 owners out there.

eg: I did a runtime test with the backlight left on full, it took a little over three hours to get down to 3%, but didn't shutoff until just over 5 hours. I wonder if the battery management changed in a software version.
My older 705 did the same thing when it's battery was getting old. The battery level icon would go all the way down in just a couple of hours, and the "Low Battery" message would pop up. But it kept running. I never timed it to see how long it would continue after the message.

A new battery fixed it. The replacement battery is still going strong after about 3 years now. It's from newpower99.com. I see they don't have a 520 replacement. I installed my 705 easily, with their supplied tiny screwdriver and plastic ribbon cable puller and youtube procedure.

I was considering the 520 Plus, but I want a replaceable battery.

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Old 06-19-18, 06:28 AM
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Its the same battery as in the 510.

Theres some charging weirdness too. It keeps charging for a while after its reached 100%.

I got 30 hours runtime today (with everything turned off, maps, virt partner, sensors, gps, bluetooth). Doing another test with just the GPS on now...
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Old 06-24-18, 04:07 AM
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A bit more bench testing. When it shows 20% it's actually about 50%.

Thus weekends ride it ran for 11 hours, showed 3% remaining afterwards. It lasted over 6 hours on that last 3%.
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Old 06-24-18, 06:39 AM
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Originally Posted by znomit View Post
I was looking to replace the battery on mine, as it now struggles to get much past 10 hours (20+ when new) but I'm now convinced its a problem with the unit itself not the battery as there are plenty of unhappy 520 owners out there.

eg: I did a runtime test with the backlight left on full, it took a little over three hours to get down to 3%, but didn't shutoff until just over 5 hours. I wonder if the battery management changed in a software version.
The 520 struggled with battery life after some firmware updates last year. Recent updates appear to have fixed the issue and, at least for me, the battery life is now acceptable. I don’t spend 20hrs on the bike in one sitting though.

The battery fuel gauge remains inaccurate and, as you mention, will continue to operate long after the ‘low battery’ warning.
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Old 06-24-18, 01:37 PM
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Originally Posted by gregf83 View Post
The 520 struggled with battery life after some firmware updates last year. Recent updates appear to have fixed the issue and, at least for me, the battery life is now acceptable. I don’t spend 20hrs on the bike in one sitting though.

The battery fuel gauge remains inaccurate and, as you mention, will continue to operate long after the ‘low battery’ warning.

this is correct. After the last round of major updates the battery issue did get better but the icon is way off. I get about 7ish hours on mine before I get nervous about it dying. It’s good enough for me.
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Old 06-24-18, 01:51 PM
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Originally Posted by sdmc530 View Post



this is correct. After the last round of major updates the battery issue did get better but the icon is way off. I get about 7ish hours on mine before I get nervous about it dying. It’s good enough for me.
Last Saturday's ride, about 160km. Started with around 70% charge and hit 3% a little over 2 1/2 hrs into the ride. Managed to go another couple of hours at 3% without any problems. Didn't use the backlight and was recording power/speed/cadence/HR once every second. We had a 1 hr stop in the middle where I turned the Garmin off to save battery.


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Old 06-24-18, 05:05 PM
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Yuck, that is really bad!
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Old 06-25-18, 01:46 AM
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That is pretty bad Greg. How long will it run before turning off? And how did you get a battery graph?
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