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Do Solar Watches Have Batteries? [Do They Need Batteries?]

Tim Carter
Written by Tim Carter Last Updated: July 21, 2022

Solar watches are a great option for those who are looking for an eco-friendly and sustainable timepiece. As solar technology is relatively new in the market, people looking to buy a solar watch have many questions. One of those questions is related to batteries. Do solar watches need batteries? How long do batteries in solar watches last? Can I change the battery in my solar watch?

Solar watches have batteries because batteries make them run nonstop. The only difference between regular quartz watches and solar-powered watches is that solar watches have rechargeable lithium batteries that are powered by sunlight, and so they need exposure to direct sunlight periodically.

Solar watches rely on light energy to power the watch movement. This means that as long as there is enough light, the watch will continue to run.

However, solar watches need to be recharged periodically or replaced with a new solar watch.

So yes, there is a battery in a solar watch. A solar watch needs a battery, as it is used to store energy from the sun so that the watch can continue to run even when it is not in direct sunlight.

Solar watches are a great option for people who want to reduce their reliance on batteries, as they will never need to be replaced.

Table of Contents

When Did the First Solar-powered Watch Come Out?

In March 1968, inventor Roger Riehl constructed the first version of a solar watch.

A prototype followed this version in 1970, and a full production version of a solar-powered watch named “Synchronar” began in 1972.

The “Synchronar” has one of the longest production runs in the history of watch productions.

Do Solar-powered Watches Need Batteries?

Solar watches, just like quartz watches, require batteries to work. Unlike regular quartz watches that use normal batteries, solar watches have internal lithium batteries that power them.

The primary contrast between quartz and solar watches is that the lithium batteries in solar watches are rechargeable and that sunrays consistently charge them.

Therefore, they cannot function properly if you don’t wear them during the day or if you live in a location with low sunshine.

So, as light powers solar-powered watches, they will work as long as they’re exposed to natural sunlight.

How Long Does a Battery in a Solar Watch Last?

The average solar watch functions without interruption for around 5 years, but on;y with proper care and maintenance.

However, many solar watches last longer than that, which depends on the brand and model of the watch.

Some of the more expensive and high-end solar watches can last up to 10 years or more.

To extend the life of your solar watch, keep it in a well-lit area but also avoid exposing it to too much direct sunlight.

With proper care, your solar watch will surely last for a long time.

Can You Change the Battery in a Solar Watch?

Yes, you can change the battery in a solar watch. Solar watches use a small solar panel to recharge their internal lithium batteries.

When the battery needs to be replaced, you can simply remove the old one and insert a new one.

Do Solar Watch Batteries Need to Be Replaced?

No, solar watch batteries don’t need to be replaced.

Solar watch batteries are rechargeable and will last for the life of the watch.

Can Solar Watch Batteries Be Replaced?

While you don’t need to replace the battery in your solar watch, you can certainly do it but only in those watches that don’t have sealed batteries.

Therefore, depending on the type of battery and the watch, the process of changing the battery in your watch may be different.

For instance, some watches have sealed batteries that cannot be replaced, while others have replaceable batteries.

If you’re not sure how to replace the battery in your watch, it’s always best to consult the manufacturer or a watch technician.

How Long Does a Solar-powered Watch Battery Last?

Depending on the brand, model, and usage, a solar-powered watch battery can last anywhere from 2 to 10 years.

A Seiko Solar Powered Watch Battery, for example, might function flawlessly for up to 10 years, while a Citizen Eco-Drive Solar Powered Watch Battery may serve you only for 2 years.

It all depends on how often you use your watch and how much sunlight it gets.

If you wear your watch every day and let it get direct sunshine for several hours, the battery will last a lot longer. However, if you only use your watch occasionally, once in a while, the battery life will decrease significantly.

Be careful, because, when the battery has died, you can’t reset your watch. If you find that your watch is not keeping a charge as well as it used to, it may be time for a new battery.

Are Solar Watches Better than Watches that Run on Batteries?

Solar watches are more precise than battery-powered timepieces because they don’t deplete their batteries. Because solar timepieces continuously charge their batteries, they tell time with unrivaled accuracy.

Solar-powered watches often outperform other types of watches, such as atomic, quartz, mechanical, and automatic.

Quartz Watches

The quartz watch is a 20th-century innovation that developed with advancements in battery technology.

Quartz watches use a small internal lithium battery that has to be replaced at some point because you cannot recharge it.

Over the life of your quartz watch, you will have to replace the battery many times.

Solar watches are mechanical and accurate watches that are also energy-efficient and environmentally friendly.

Of course, all gadgets that use the power of the sun are environmentally friendly although they need batteries as well.

Just like quartz timepieces, internal lithium batteries power solar gadgets and solar watches, but there is one enormous difference.

Solar Watches

The internal lithium batteries in solar watches are rechargeable batteries powered by the sunlight.

Basically, that means you don’t have to replace the battery in your solar watch, but you have to make sure it gets enough sunlight to charge the battery and continue working flawlessly.

Artificial light also helps charge the battery as solar panels in your watch will absorb the light, but don’t rely on your lightbulb.

Instead, take a walk in the morning or at dusk, and expose your watch to natural light and some sunshine.

Final Thoughts

If you’re looking for a dependable watch, solar watches are fantastic.

However, you must recharge a battery inside your new timepiece from time to time. Depending on the type of watch, how often you use it, and how you care for it, your solar watch can last for years.


Tim Carter
Tim Carter

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