GagaKing Portable Charger for Samsung Galaxy Watch 8/8 Classic/7/Ultra/6/6 Classic/5 Pro/4/3, Active2/1, 1400mAh Fast Charging Portable Wireless Power Bank, Magnetic Travel Car Keychain Charger

Charges my S7 fine. Size is good, not too big. Holds a charge well. Has a nice key ring that is strong and easy to use. Was worth the purchase.

This little guy works great! Good value for the price, the magnet is strong enough that you can wear the watch while charging. It charges at a good rate also. I love the fact that you can clip it on your keyring, purse or pants which makes it very versatile and portable. You can not go wrong with this little charger at that price always great to have on hand!!!

Great charge. Love this as it works perfectly.

One thing that's annoying is that these watches in some ways get worse and worse with each iteration, especially in battery life. I bought the 47mm Watch 6 Classic and found that it has a smaller batter than the 45mm Watch 5 Pro I had. GREAT!!!Anyways, this definitely works, takes about 5-10 seconds for it to talk to the watch which is annoying, but it eventually talks to it. Charges at a whopping 3W/hr which means it can get about 2 charges from this device and will take about 30 minutes to fully charge your watch. NOT SUPER FAST, but good for camping, an emergency etc. Especially if you keep this on your keyring or backpack.It works, and the magnets, holy cow, they got it right. MOST OF THESE THIRD PARTY chargers, you can blow the watch off the pad due to how weak the magnets are. Not with this one, not an issue.Yeah, I recommend it. Seems like it's even easy enough to crack open and drop a new lithium pack when the time comes and close it back up.

I bought this for my wife. She will be traveling via plane and returning via train. I wanted her to have a way to charge her Samsung Smart watch, especially on the train.The 1400mAh battery should be able to charge her watch at least once, maybe twice (depending on how much the watch needs charged each time). In a pinch, it should be able to wirelessly charge her phone, nice for an emergency, but with only 1400mAh, it will only add about 25% to her Samsung S22 Ultra. That still may be enough to get her by until she can charge the phone with other sources.This battery charger is tiny, and can easily fit on a keychain, in a purse, or even in a pocket.

It works well. I don't always remember to charge it at home, so it is nice to keep it with me for those times.

It's way to heavy to carry as a key chain and even in my pocket or purse and it charges so slow it would'nt matter.

Great for on the go charging.Tho I've never had to use it on the go since my ultra watch 8 never dies that easy.Moreover when watch is at it's last my watch goes into watch only mode until I can get to a charger.