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A compatible Samsung Galaxy phone can provide emergency power to a compatible Galaxy Watch using Wireless Power Sharing: turn the feature on, place the watch against the back of the phone, align the coils, and keep both devices still. It is a backup, not a universal charger or a replacement for the model-matched dock; Samsung says speed depends on the phone’s battery level and environment. Check your watch generation first, because Watch7 and newer models listed by Samsung do not support this method.
Check compatibility before you start
Wireless Power Sharing requires both a supported phone and a supported watch. A watch’s ability to charge wirelessly in general does not guarantee that it can charge from a phone.
| Device | Compatibility guidance |
|---|---|
| Galaxy Watch | Samsung lists Watch Active, Active2, Watch3, Watch4, Watch5 and Watch6 generations as supported. Its current guidance excludes Watch7, Watch8, Watch8 Classic, Watch9, Galaxy Watch Ultra and Ultra2. |
| Galaxy phone | Supported Galaxy S, Note and Z Fold/Flip generations include eligible models; Samsung’s Gulf support page also lists the Galaxy S25 series. Check your exact model, software and regional variant. |
| Dedicated watch dock | Samsung recommends a compatible charging accessory matched to the watch. A dedicated dock is necessary for the excluded newer watch generations. |
Samsung attributes the newer-watch limitation to increased distance between the rear glass and the internal wireless charging coil. For the exact compatibility of your devices, consult Samsung’s model-specific support guidance before relying on Power Sharing.
How to charge a Galaxy Watch with Wireless Power Sharing
- Check the phone and its battery. Confirm that your phone supports Wireless Power Sharing and has sufficient charge. Samsung’s Caribbean guide says at least 30% is required to turn the feature on; requirements and availability may vary by device and software.
- Turn on sharing. On supported phones, open Settings > Battery > Wireless Power Sharing and switch it on. Alternatively, select the Wireless Power Sharing icon in Quick Panel. Menu names and layout vary.
- Place the watch against the phone. Put the back of the supported watch against the back of the phone. Shift the watch until its charging indicator appears; the phone may vibrate when charging begins.
- Keep the devices still. Leave them on a stable surface. Remove a phone case or other accessory if it interferes with charging. Coil placement varies by phone, so reposition the watch if charging does not start.
- Stop sharing when finished. Separate the devices or switch the feature off. Supported phones may offer a battery limit setting to prevent excessive drain.
Power Sharing or a dedicated charging dock?
| Method | Compatibility | Convenience | Charging expectations |
|---|---|---|---|
| Phone Wireless Power Sharing | Needs a supported phone and watch; not available for the newer watch models excluded above. | Portable emergency option when a compatible, sufficiently charged phone is available. | Samsung says speed depends on phone battery level and environment and may be slower than a model-matched dock. No universal charge time or rate is specified. |
| Model-matched charging dock | Choose one compatible with the exact watch generation. | Best for routine charging; requires the appropriate accessory and power source. | Samsung recommends compatible charging accessories. Its guidance identifies EP-OR900 for Watch5 and Watch6 series; check the exact model before purchase. |
What to expect and how to troubleshoot
Power Sharing is useful when the usual charger is out of reach, but it is slower and more dependent on conditions than charging with the model-matched dock. Samsung support notes that charging speed depends on the phone’s battery level and environment. Do not plan around a particular percentage or charging time.
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2 Pack for Samsung Galaxy Watch Charger Compatible with Watch 8/8 Classic
- 👉2-Pack Convenient Spare Charger: Comes with 2 chargers in one pack, which can be used in various ways. Long, lightweight and compact enough fit in travel, home and office, such as night stand, desk, end table, car, camper and motorhome etc. You can carry it in your bag at any time in case you forget an extra charger
- 👉Wide Compatibility: Autallgee smart watch charger is compatible with Samsung Watch such as 8, 8 Classic, Ultra, 7, 6, 6 Classic, 5, 5 Pro, 4, 4 Classic, 3, as well as Active 2, Active, FE. [Watch 8(40mm/44mm), Watch 8 Classic(46mm), Watch Ultra (47mm), Watch 7 (40mm/44mm), Watch 6 (40mm/44mm), Watch 6 Classic (43mm/47mm), Watch 5 Pro (45mm), Watch 5 (40mm/44mm), Watch 4 (40mm/44mm), Watch 4 Classic (42mm/46mm), Watch 3 (41mm/45mm), Watch Active 2 (40mm/44mm), Watch Active 1 (40mm), FE(40mm) ]. 【Note: Not compatible with Samsung Watch 9/Ultra 2, Galaxy Gear S and Galaxy Fit】
- 🌳【Carbonfree Certified】Autallgee watch charging cables are Carbonfree Certified. Carbonfree Certified by ClimeCo, which certifies consumer products based on a cradle-to-grave assessment to determine the carbon footprint of the product and associated carbon emission reductions. Everyone contributes to the world’s carbon emission problems
- 👉Safe Charging: Build-in short-circuit protection IC in this charger to avoid overvoltage and overcurrent, also premium quality copper wire ensure charging Samsung Galaxy Watch to full 100% safety and reliability. Please Note: (1) Use only a standard 5V power adapter. (2) Ensure the adapter is safety-certified. (3) Operate the product in a dry, room-temperature environment.
- 👉Precise & Strong Magnet: builting-in magnet charging module, the magnet was strong enough, holds your watch in place precisely and automatically without any hassle. Charge at a touch,that's simple
- If charging does not begin, verify that both device models support the feature and reposition the watch to align the coils.
- Remove a phone case or other cover or accessory that may interfere with charging.
- Keep both devices still while sharing power.
- Check that the phone has adequate battery; a low battery may prevent activation or stop sharing. Available battery-limit controls vary by phone and software.
Samsung’s US support guidance recommends a compatible charging accessory for routine use. The EP-OR900 is specified for Watch5 and Watch6 series; do not assume it fits other generations. If you have a Watch7 or newer model excluded above, use a charger verified for your precise watch model.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.FAQ
Can I charge a Samsung Galaxy Watch without its charger?
Sometimes. A supported Galaxy phone can charge a compatible watch with Wireless Power Sharing when the watch’s charger is out of reach. Both devices must support the feature, and the phone needs sufficient battery.
Rank #2
Watch Charger Compatible for Samsung Galaxy Watch 8/8 Classic, 7/6/Ultra, 5/5 Pro/4/4/6 Classic/3/Active 2/1, Magnetic Wall Fast Charging Adapter & Cable, Magnetic Wireless Charging Cable 3.3FT
- 【Complete Charging Kit for Daily Use】 This charging set includes a 3.3FT/1M magnetic charging cable and a 5V 1A USB power adapter, providing a convenient replacement charger solution for your Samsung Galaxy Watch. Ideal for bedroom, office, travel, and everyday charging needs.
- 【Safe & Stable Overnight Charging】 Designed with a reliable 5V 1A output, this charger provides steady power for your smartwatch. The stable charging performance makes it a great choice for overnight charging on your bedside table, helping keep your watch ready for the next day.
- 【Secure Magnetic Connection】 The magnetic charging puck automatically aligns with your Galaxy Watch for a simple and secure connection. Just place your watch on the charger and enjoy a convenient charging experience before bedtime.
- 【Perfect 3.3FT/1M Cable Length】 The 1-meter charging cable provides comfortable reach from bedside tables, nightstands, desks, and other common charging locations. Keep your charging area neat while enjoying flexible placement.
- 【Wide Compatibility with Galaxy Watch Series】 Compatible with Samsung Galaxy Watch 8, Galaxy Watch7, Galaxy Watch6 Classic, Galaxy Watch6, Galaxy Watch5 Pro, Galaxy Watch5, Galaxy Watch4 Classic, and Galaxy Watch4. Please check your watch model before purchase.
Do Galaxy Watch7 and newer models support Wireless Power Sharing?
Samsung’s current guidance says Watch7, Watch8, Watch8 Classic, Watch9, Galaxy Watch Ultra and Ultra2 do not support it. Use a compatible dedicated charger for those models.
How do I turn on Wireless Power Sharing?
On supported phones, look in Settings > Battery > Wireless Power Sharing or select its icon in Quick Panel. The menu can vary by device and software version.
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Rank #3
Sinoacc Charger for Samsung Galaxy Watch 7/6/6 Classic/5/5 Pro/4/4 Classic/3/Active 2/Active 1/Ultra/Fe Galaxy Watch Charger 3.3Ft USB Magnetic Wireless Charging Cable Cord
- Proven Compatibility: Compatible with Samsung Galaxy Watch Ultra 47mm (SM-L705U)┃Watch 7 40mm (SM-L300NZ)┃Watch 7 44mm (SM-L310NZ)┃Watch FE 40mm (SM-R861)┃Watch 6 40mm(SM-R930)┃Watch 6 44mm (SM-R940)┃Watch 6 Classic 43mm (SM-R950)┃Watch 6 Classic 47mm (SM-R960)┃Watch 5 Pro 45mm (SM-R920)┃Watch 5 40mm (SM-R900)┃Watch 5 44mm (SM-R910)┃Watch 4 40mm (SM-R860)┃Watch 4 44mm (SM-R870)┃Watch 4 Classic 42mm (SM-R880)┃Watch 4 Classic 46mm (SM-R890)┃Watch 3 41mm (SM-R850)┃Watch 3 45mm (SM-R840)┃Active 2 40mm (SM-R830)┃Active 2 44mm (SM-R820)┃Active 1 40mm (SM-R500). Not for Galaxy watch (released in 2018) and Gear S2/S3/S4
- Fast Charging Speed: Intended for your Galaxy Watch 7/6/5/4/3,fast charging speed,do not worry this replacement charging cable is wasting precious time
- Enhanced Durability: With 6000+ bend lifespan and reinforced cable joint, this replacement charger for samsung galaxy watch is more than ready to handle the stresses and strains of daily use
- Safety & Reliability: Charging Cord includes built-in over-current, over-voltage, short-circuit and over-temperature protection.Premium Quality Copper Wire and Pin Cold-Plated ensure charging safety and reliability
- What You Get: 1 pack 3.3Ft(1M) replacement charger for Galaxy Watch ultra/7/6/5/4/3,our 12-month customer support and 24-hour friendly customer service
Why is my Galaxy Watch not charging from my phone?
Check that both models are compatible, the phone has sufficient battery, and the watch is aligned against the phone’s back. Remove obstructive covers or accessories and keep both devices still.
Is Wireless Power Sharing as fast as the watch dock?
No. Samsung says sharing speed depends on the phone’s battery level and environment and may be slower than charging with the model-matched dock. Samsung’s cited guidance does not provide a universal speed or charge-time figure.
Quick Recap
Best Value
Magnetic Charger for Samsung Galaxy Watch 8/8 Classic/7/6/6 Classic/5/5 Pro/4/4 Classic/3/Active 2/Active with Fast Charging Cable (1 m)
- Wide Compatible: Galaxy Watch 8 Galaxy Watch 8 Classic Galaxy Watch 7 (40mm SM-L300NZ)、(44mm SM-L310NZ)/Galaxy Watch 6 (40mm SM-R930)、 (44mm SM-R940)/Galaxy Watch 6 Classic (43mm SM-R950)、 (47mm SM-R960)/ Galaxy Watch 5 (40mm SM-R900)、(44mm SM-R910)/ Galaxy Watch 5 Pro (45mm SM-R920)/Galaxy Watch 4 (40mm SM-R860)、(44mm SM-R870)/ Galaxy Watch 4 Classic (42mm SM-R880)、(46mm SM-R890)/ Galaxy Watch 3 (41mm SM-R850)、 (45mm SM-R840)/Galaxy Watch Active 2 (40mm SM-R830)、(44mm SM-R820 )/Galaxy Watch Active 1 (40mm SM-R500)/Galaxy Watch Ultra (47mm SM-L705U)/ Galaxy Watch FE (40mm SM-R861).
- Not Compatible: Galaxy watch 9/Ultra 2 and Gear S2/S3/S4，Not Compatible：S3 Frontier SM-R765、S2 SM-R732、S2 SM-R720、S2 SM-R735A、Gear sport SM-R600、Galaxy Watch 42MM/46MM SM-R800、SMR810、R815, The above models are not compatible!!!
- Durable & Premium: Made of thicker PVC material and tested to 10,000+ bends, the cable provides tensile strength, safety and long life to ensure a superior charging experience for your devices.
- Strong Magnetic Adsorption: The watch charger with built-in magnet has strong adsorption perfectly snaps and centers to the charging coil on the back of your watch, stable and will not fall off, you will get wonderful charging experience
- Comprehensive Safety Protection: This charger has a variety of safety features including over-current, over-voltage, short-circuit, and over-heat protection to ensure that your device is protected from damage. Provides you with a reliable and safe charging experience
Rank #4
for Samsung Watch Charger Galaxy Charger Fast Charging Compatible with Galaxy Watch 8/8 Classic/7/6/6 Classic/5/5 Pro/4/4 Classic/3/Active Ultra/Active 2 Adapter Magnetic Wireless Charging Cable 3.3FT
- for galaxy watch charger Compatibility: Galaxy Watch 8/8 Classic/7/6/6 Classic/5/5 Pro/4/4 Classic/3/ Active Ultra/Active 2
- This 3.3Ft Watch fe charging cable is convenient to carry around, especially for traveling,and is suitable as a backup charger for cargador de reloj samsung galaxy watch .
- for galaxy watch 7 charger Advance Safety:-Built-in safeguards with over-current, over-voltage, short-circuit and over-temperature protection and other safety features. Guards your device battery against overcharge damage.
- for galaxy watch 6 charger Safe and Fast Watch Charging- Our charger provides a safer and faster charging mode, for a more perfect charging experience,Please take off the watch case.
- Considerate service of one-year warranty and thirty-day return and refund, provides you with perfect shopping experience.
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.
