Garmin Glo Charging

[Elwanda Menhennett]

Tocharge my Fenix 7 does it make a difference what charger I use. For example could I damage the watch when I charge it with such a fast charger, possibly the watch will just limit the output current.

The watch only draws as much current as it needs. So any 5V usb charger should work. I'd recommend sticking with one that only does 5V though, as some USB-C chargers (for example) are capable of delivering up to 48V, which could blow up the watch if the charger somehow fails to select the correct voltage. So I would avoid, for example, using a MacBook charger for your watch.

That's one of the beautiful things about how long the battery in the 7 lasts - recharging the battery is never really an "urgent" issue. Even if it's down to 20%, you've still got several days or a week to get around to recharging it before it dies So if you really wanted to only charge your watch from a PC usb port, it's probably fine even if you're rarely near a PC. (although, as mentioned above, it's really not critical to use a PC usb port for charging, I don't think).

Your info is partially correct. USB-C is capable of higher voltages when connected to Power Delivery (PD) compatible devices.

PD has a handshake between the two devices and determines what each device charging capability is in regards to voltage/current.

If the handshake does not occur, USB-C provides 5v just like any other USB connection.

On all 3 of the watches I have had I have struggled to find a good fit for the charger... I try to always double check it after plugging it in as the connection is absolutely horrid. On several occasions I have taken my watch "off charge" to find it dead shortly after because it wasn't actually charging!

Also my dad has had a Garmin since the start of the year, he showers with it (fresh water, does not swim with it on), and some of the pins on his are starting to corrode (quite unacceptable for a watch you can apparently swim with)!

The charging clip which came with the FR745XT FR645 etc was a much better design. Never had a single issue with it, the current charge cable is definitely a step backwards. Why don't Garmin make something like this for the much more expensive Fenix etc? Even if its an extra purchase I would buy it.

I don't care about wireless charging personally. It tends to be a lot slower than cable charging, and sometimes gets a device really hot as well. Also, even if wireless charging was added as an option, it couldn't replace the wired option. The wired connection is needed for Garmin Express and for file browsing on the watch (like installing third-party maps).

The other end of the adapter is a standard USB-C port, meaning, if all else fails, you can find someone, anywhere to loan you a USB-C charging cable for an hour. Or, buy one at any hotel/airport/gas station. USB-C cables/chargers are as ubiquitous as soda, but Garmin charging cables are not.

My Garmin charging puck and these pucks no longer slide smoothly into the watch charging port. Most times I spend 5 minutes wobbling the two together before a reliable connection is established and charging begins.

Yup, see my comment above. A new cable works fine at first, then becomes really unreliable when the pins start to wear. Then you have to do a bunch of fiddling with the watch contacts to get it to connect (pencil eraser, brush, alcohol). None of that would be necessary if Garmin used inductive charging like the competition does. It does seem like a way for Garmin to sell more of their overpriced cables.

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Garmin reserves the right to provide you the finest product available to date. Engineering enhancements are ongoing and may not be reflected in the pictures, videos, support content and specifications.

Use a wall charger from a reputable brand name. Ensure the wall charger features the registered UL (Underwriters Laboratories) marks indicating that the item was manufactured in compliance with UL's safety requirements and LPS (Limited Power Source) marks. For more information about UL marks please see: UL Marks for North America.

The Garmin recommended output from one of the suggested power sources above is 5W (5V / 1A). Anything used that exceeds this recommendation (E.g. A fast/rapid chargers) will be regulated by the Garmin cable and device. Anything lower may result in a slower charging experience.

When traveling out of your native country, we suggest you charge your device using the USB port from a computer since AC outlets can vary. If you are looking for a wall adapter to plug into an AC outlet you can use the following Garmin part number:

The lithium-ion chemistry used in the batteries of Garmin's fitness and outdoor watches, as well as cycling products, does not need to be discharged before charging again. There is no effect on the performance of the battery if it is only partially discharged before charging it again.

Some devices may report slightly less than 100% charge immediately after being removed from the charging cradle or cable. While the device is on the charger, the charger will disable itself after the battery charges to 100%. The battery will then very slowly discharge until it hits a hysteresis threshold, at which point the charger will reactivate. This is intentionally done to extend the life of the battery if the device is left on the charger for a long time. Garmin artificially locks the charge indicator on the charge page to 100% once the unit reaches full charge to mask this minor charge cycle fluctuation.

A Toybox::Lang::Number value from 0-100 that describes the solarsensor's charge efficiency, if available. Will be set to null ifthe device doesn't support solar or a negative number when thedevice is not currently charging.

For the first few charges, as soon as I plugged it in, it displayed a charging screen with a very large icon of a battery showing the charging progress. However, I have not seen that screen again since the first charges. Now, I get a plug icon in the upper left corner of the screen. Briefly pressing the power button will then display the backlight screen with a much smaller battery icon showing the charging progress.

That's OK, but the problem is that after two or three charges, when I plug in for a new charge and go to the backlight screen, it simply states "Battery" with a plug icon and no progress bar. When it is in this mode, it does NOT charge, even if left overnight.

Charging is enabled by depressing the black switch between the 2 batteries. If you use the Garmin pack designed for this or if you use another means to keep the black button depressed with NiMh batteries installed, the 64 will charge the batteries. If it is depressed with regular alkaline batteries that would be a serious problem so only use the Garmin pack or NiMh batteries if you use something to keep the switch depressed. I use NiMh with a couple of pieces of thin plastic cut from a blister pack and it works fine. If you no longer see the charge icon maybe the switch isn't being depressed.

Garmin firmly warns that no other NiMh batteries other than those supplied by Garmin are to be used in the 64s. Is there really any danger in doing so? I place a thin piece of cardboard from a battery package under the two NiMh batteries I use and, as yet, they charge successfully in the GPS.

I think those warnings are there to absolve any responsibility for anything that goes wrong should you use other batteries and try to charge them from within the unit. In reality, Garmin's battery pack seems to be identical to a pair of eneloops with a thin wrapper around them, which is why you can get away with using other NiMH batteries and a bit of plastic or cardboard to press down the button.

Honestly, though, I'm not sure what sort of charging technology Garmin has in its handheld units - whether it's a true smart charger or one with pre-set charging times. You're likely to get better charging, as well as faster charging, with a good battery charger.

Honestly, though, I'm not sure what sort of charging technology Garmin has in its handheld units - whether it's a true smart charger or one with pre-set charging times. You're likely to get better charging, as well as faster charging, with a good battery charger.

I find the built in charging great to have. When travelling, in the car, plug the GPS into a USB cord and it tops up. Get home from a day hike, plug it in. I have not opened the battery compartment in years except when on multi day backpacking trips.

I agree with Red90 100% and do the same thing. I carry an extra pair of Eneloop Pro 2450 mHa as backup when on long hikes and outings. Haven't had to use anything but the Garmin battery pack in a long time with my 64sc.

With an Anker USB charger I see 350mA into the gps when the large battery icon is on the screen. I'm not sure if the batteries are charging in series or parallel. I'll let it charge and see if there's a cutoff point or not.

I recently purchased both the 64s and the 64st. Neither one shows a large battery icon when charging the battery packs via an A/C adapter (I've not tried charging via USB). On the "Display Brightness" screen the battery icon has a lightning bolt through it and blinking charge segments. The switch under the batteries is depressed because the option to change the AA battery type is no longer visible. That only happens when a battery pack is used and/or the switch is defeated. I'll try charging by USB in search of that big battery icon.

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