Imagine a smartwatch that never needs a charger. Sounds like science fiction, right? But it’s becoming a reality with solar-powered smartwatches. These watches use sunlight to keep their batteries topped up, meaning less time tethered to a wall and more time enjoying your tech.
Choosing a solar smartwatch can be tricky, though. There are many brands and features to consider. You might wonder about battery life in cloudy weather or how well they track your fitness. Finding the perfect one that fits your needs and budget can feel overwhelming.
But don’t worry! This post will make it easy. We’ll break down what makes a solar smartwatch great and guide you through the best options. You’ll learn how to pick a watch that lasts longer, looks good, and helps you stay connected without the constant worry of a dead battery. Let’s dive into the world of sun-powered wristwear!
Top Solar Smartwatch Recommendations
No. 1
Garmin Instinct® 3 45mm, Solar Charged Display, Rugged Outdoor GPS Smartwatch, Metal-Reinforced Bezel, Built-in Flashlight, Black
- Make a bold statement with this rugged GPS smartwatch, featuring a 0.9” display with solar charging lens and unlimited battery life with solar charging (assumes all-day wear with 3 hours per day outside in 50,000 lux conditions)
- Engineered with a supertough 45 mm fiber-reinforced polymer case and metal-reinforced bezel
- Built-in LED flashlight with variable intensities and strobe modes gives you greater visibility in the outdoors and provides convenient illumination when you need it
- Know your body better with health monitoring features, including wrist-based heart rate, advanced sleep monitoring, Pulse Ox and more (this is not a medical device, and data presented is intended to be a close estimation of metrics tracked; Pulse Ox not available in all countries)
- Navigate confidently with a 3-axis compass, barometric altimeter and multi-band GPS with SatIQ technology, which delivers superior positioning while also optimizing battery life
No. 2
Garmin Instinct® 3 50mm, Solar Charged Display, Rugged Outdoor GPS Smartwatch, Metal-Reinforced Bezel, Built-in Flashlight, Black with Charcoal Band
- Make a bold statement with this rugged GPS smartwatch, featuring a 1.1” display with solar charging lens and unlimited battery life in smartwatch mode with solar charging (assumes all-day wear with 3 hours per day outside in 50,000 lux conditions)
- Engineered with a supertough 50 mm fiber-reinforced polymer case and metal-reinforced bezel
- Built-in LED flashlight with variable intensities and strobe modes gives you greater visibility in the outdoors and provides convenient illumination when you need it
- Know your body better with health monitoring features, including wrist-based heart rate, advanced sleep monitoring, Pulse Ox and more (this is not a medical device, and data presented is intended to be a close estimation of metrics tracked; Pulse Ox not available in all countries)
- Navigate confidently with a 3-axis compass, barometric altimeter and multi-band GPS with SatIQ technology, which delivers superior positioning while also optimizing battery life
No. 3
Garmin Instinct® 3 Tactical Edition, 45mm, Solar Charged Display, Rugged Outdoor GPS Smartwatch
- Lead the mission with this rugged GPS smartwatch, featuring solar charging for unlimited battery life (assumes all-day wear in smartwatch mode with 3 hours per day outside in 50,000 lux conditions)
- Engineered with a supertough 45 mm fiber-reinforced polymer case and metal-reinforced bezel - Physical size: 45 x 45 x 14.9 mm Fits wrists with a circumference of 137-204 mm
- Dedicated tactical features include jumpmaster activity, waypoint projection, dual-position GPS format, preloaded tactical activity, stealth mode, kill switch, compatibility with night vision goggles and a rucking activity
- Includes a preloaded Applied Ballistics solver (requires one-time purchase via the AB Quantum mobile app)
- Built-in LED flashlight with variable intensities and strobe modes gives you greater visibility in the outdoors and provides convenient illumination when you need it
No. 4
Garmin Instinct Solar, Solar-Powered Rugged Outdoor Smartwatch, Built-in Sports Apps and Health Monitoring, Graphite (Renewed)
- Vastly extended battery life through solar charging
- Rugged GPS Watch is water-rated to 100 meters and constructed to U.S. military standard 810 for thermal, shock and water resistance
- Built-in 3-axis compass and barometric altimeter plus multiple global navigation satellite systems (GPS, GLONASS and Galileo) track in more challenging environments than GPS alone
- Track your activities for running, biking, swimming, strength and more
- Help understand your health and wellness better with all-day health monitoring and Pulse Ox (this is not a medical device and is not intended for use in the diagnosis or monitoring of any medical condition)
No. 5
Garmin - Instinct Solar Rugged GPS Smartwatch 45mm - Tidal Blue (Renewed)
- Vastly extended battery life through solar charging
- Rugged GPS Watch is water-rated to 100 meters and constructed to U.S. military standard 810 for thermal, shock and water resistance
- Built-in 3-axis compass and barometric altimeter plus multiple global navigation satellite systems (GPS, GLONASS and Galileo) track in more challenging environments than GPS alone
- Track your activities for running, biking, swimming, strength and more
- Help understand your health and wellness better with all-day health monitoring and Pulse Ox (this is not a medical device and is not intended for use in the diagnosis or monitoring of any medical condition)
No. 6
Garmin Instinct 2X Solar, Rugged GPS Smartwatch, Built-in Flashlight, Solar Charging Capability, Multi-Band GNSS, Graphite
- Bold, rugged GPS smartwatch is built to U.S. military standard 810 for thermal, shock and water resistance — with a large solar-charged display and durable 50 mm polymer case - Physical size: 50 x 50 x 14.5 mm weight 67g Fits wrists with a circumference of 145-228 mm
- Solar charging: Power Glass lens extends battery life, producing 50% more energy than the standard Instinct 2 solar watch
- Infinite battery life in smartwatch mode when exposed to 3 hours of direct sunlight (50,000 lux) per day
- Built-in LED flashlight with variable intensities and strobe modes gives you greater visibility while you train at night and provides convenient illumination when you need it
- 24/7 health and wellness tracking helps you stay on top of your body metrics with wrist-based heart rate, advanced sleep monitoring, respiration tracking, Pulse Ox and more (this is not a medical device, and data presented is intended to be a close estimation of metrics tracked. Pulse Ox not available in all countries.)
No. 7
Garmin fēnix® 8 – 47 mm,Solar,Sapphire,Premium Multisport GPS Smartwatch, Long-Lasting Battery Life,Dive-Rated, Built-in LED Flashlight, Carbon Gray DLC Titanium Bezel Black/Pebble Gray Silicone Band
- Advanced multisport GPS smartwatch for athletes/adventurers features a 1.3” solar charged display with scratch-resistant sapphire lens, durable titanium bezel and built-in LED flashlight for after-dark visibility
- Battery performance: up to 28 days of battery life in smartwatch mode with solar charging (assumes all-day wear with 3 hours per day outside in 50,000 lux conditions) and up to 92 hours in GPS mode with solar charging (assumes continuous use for entire period in 50,000 lux conditions) — all with an always-on display, so you’re ready to take on the toughest challenges
- Power up your body’s performance, endurance and resistance to injury targeted strength training plans, real-time stamina tracking, sport-specific workouts and a full range of built-in sports apps
- Your training readiness score is based on sleep quality, recovery, training load and HRV status to determine if you’re primed to go hard and reap the rewards (data presented is intended to be a close estimation of metrics tracked)
- For your active lifestyle, a built-in speaker and mic let you make and take phone calls from your wrist when your watch is paired to your smartphone — and you can even use your smartphone’s voice assistant to respond to text messages and more
No. 8
Garmin Instinct 2S Solar, Smaller-Sized Rugged Outdoor Watch with GPS, with Solar Charging Capabilities, Built for All Elements, Multi-GNSS Support, Tracback Routing and More, Graphite
- Go longer than ever with solar charging that gives you unlimited battery life in smartwatch mode (assuming all-day wear with 3 hours per day outside in 50,000 lux conditions) - physical dimensions: 40 x 40 x 13.3 mm Fits wrists with a circumference of 112-180 mm
- Battery life: in smartwatch mode, up to 51 days with solar charging in 3 hours of direct sunlight (50,000 lux) per day; in GPS mode, up to 28 hours with solar charging continuously in direct sunlight (50,000 lux)
- Built-in sports apps to take on running, biking, swimming, strength training and more; plus, VO2 Max and other training features - Display type: Monochrome, sunlight-visible, transflective memory-in-pixel
- Live the ultimate connected life with smart notifications and Connect IQ compatibility when paired with your compatible smartphone.
- Track your adventures with the built-in 3-axis compass and barometric altimeter, plus multiple global navigation satellite systems (GPS, GLONASS and Galileo)
Your Guide to Picking the Best Solar Smartwatch
Solar smartwatches are pretty cool. They use the sun to charge up, so you don’t have to plug them in as much. This guide will help you find the perfect one for you.
What to Look For: Key Features
When you’re shopping for a solar smartwatch, check out these important features:
- Solar Charging: This is the main thing! Look for how well it charges in sunlight. Some watches charge faster than others.
- Battery Life: Even with solar, battery life matters. A good solar watch should last a long time, even without constant sun.
- Durability: You’ll probably wear this watch everywhere. It should be tough and able to handle bumps and scratches.
- Water Resistance: If you like swimming or get caught in the rain, make sure your watch can handle water.
- Fitness Tracking: Most smartwatches track steps, heart rate, and sleep. See if it has the tracking you need.
- Smart Features: Does it show notifications from your phone? Can you control music? These make it more useful.
- Display: A bright, clear screen is easy to read, even in the sun.
What’s it Made Of? Important Materials
The materials used affect how long your watch lasts and how it feels.
- Case: The case protects the watch. Strong materials like titanium or stainless steel are good. Some have plastic for a lighter feel.
- Band: You’ll want a comfortable band. Silicone, rubber, or woven nylon are popular choices. Leather can look nice but might not be the best for workouts.
- Screen Cover: A tough screen cover, like Corning Gorilla Glass, helps prevent scratches.
What Makes a Solar Smartwatch Great (or Not So Great)?
Some things make a solar smartwatch better than others.
- Good Solar Panel: A bigger or more efficient solar panel charges faster. This is a big plus.
- Power Management: How well the watch saves power is important. Good software helps a lot.
- Sunlight Exposure: You need to wear your watch in the sun to charge it. If you’re always indoors, it won’t charge as much.
- Screen Brightness: A very bright screen uses more battery. Some watches adjust brightness automatically.
How You’ll Use It: User Experience and Use Cases
Think about how you’ll use your solar smartwatch every day.
- Outdoor Adventures: These watches are great for hiking, camping, or long bike rides. You won’t worry about charging.
- Everyday Wear: Keep track of your steps and get notifications without needing your phone all the time.
- Fitness Enthusiasts: Track your workouts and see your progress. The long battery life means it won’t die mid-run.
- Travelers: If you’re going to places where charging is hard, a solar watch is a lifesaver.
A solar smartwatch offers freedom from the charger. It’s a smart choice for active people and anyone who wants a watch that keeps going.
Solar Smartwatch FAQs
Q: How does solar charging work on a smartwatch?
A: Solar panels on the watch face or bezel catch sunlight. This light turns into electricity to charge the watch’s battery.
Q: Will a solar smartwatch replace my phone charger?
A: It helps a lot! It can extend battery life greatly, but you might still need to charge it sometimes, especially if you use many features.
Q: Are solar smartwatches good for tracking workouts?
A: Yes, they are excellent for workouts. They have long battery life, so they won’t quit during a long run or hike.
Q: Are solar smartwatches waterproof?
A: Many are water-resistant. Check the watch’s rating to see how deep it can go and for how long.
Q: What if I don’t get much sun?
A: The watch will still work. It just won’t charge as much from the sun. You will need to charge it with a cable more often.
Q: How long does the battery last on a solar smartwatch?
A: This varies. Some can last weeks or even months on a single charge, thanks to solar power.
Q: Are solar smartwatches more expensive?
A: Sometimes they cost a bit more because of the solar technology. But, you save money on electricity over time.
Q: Can I wear a solar smartwatch indoors?
A: Yes, you can wear it anywhere. It just charges best in direct sunlight.
Q: Do I need to do anything special to charge it with the sun?
A: No, you just wear it! The solar panels do the work automatically when exposed to light.
Q: What’s the main benefit of a solar smartwatch?
A: The biggest benefit is less charging. You get more freedom and don’t worry about finding an outlet as much.