Clock Battery: Button & Coin Cell Guide

A button cell is the most common small clock battery, powering everything from your desk alarm to your kitchen wall piece. These compact batteries are typically silver oxide or lithium-based, known for their long life and consistent power output. Many modern clocks use a lithium coin cell, which is very thin and can hold power for up to five years. When the time comes for a replacement, choosing the correct battery size is crucial to ensure your clock continues ticking accurately.

Alright, folks, let’s talk clocks! Think about it: how many times a day do you glance at a clock? Probably more than you realize! From the moment your alarm clock screams at you in the morning (powered by a humble battery, of course) to checking the time on the kitchen wall clock while you’re making dinner, we’re surrounded by these trusty timekeepers.

But what happens when your clock suddenly stops ticking? Panic? Confusion? Probably just mild annoyance. But it does highlight one simple truth: our clocks are only as good as the batteries that power them. Whether it’s an old-school analog beauty, a sleek digital marvel, a commanding wall piece, a trusty desk companion, or a life-saving alarm, each clock has its own battery needs. And choosing the right battery isn’t just about getting it to work; it’s about ensuring accurate timekeeping, avoiding frustrating interruptions, and even extending the life of your beloved timepiece.

And let’s not forget the often-overlooked side of clock batteries – disposal! Choosing the proper clock battery will not only extend your clock’s life, it also reduces the number of battery waste that affects our mother earth! So, buckle up, because we’re diving deep into the world of clock batteries. Consider this your crash course in keeping your clocks ticking smoothly and responsibly!

Decoding the Power Source: Types of Clock Batteries Explained

Ever wondered what magical elixir keeps your clocks ticking? It’s not magic, folks, but battery science! Choosing the right battery can be as crucial as picking the perfect tie for a job interview. Let’s unravel the mystery behind these tiny powerhouses. We’ll dive into the nitty-gritty of the different types of batteries commonly used in clocks, helping you make the best choice for your time-telling companions. Forget those generic descriptions, we’re going deep (but not too deep, we promise!).

Alkaline Batteries: The Workhorse

These are your reliable everyday heroes. Alkaline batteries are the workhorses of the clock world, commonly found in various clock types from wall clocks to alarm clocks. Their main selling point? They’re affordable, reliable, and easy to find pretty much anywhere. However, they have a slight downside: they might leak and have a shorter lifespan compared to their fancier lithium cousins. Think of them as your dependable, budget-friendly friend who’s always there for you, but might need a little extra TLC.

• Common Uses: Wall Clocks, Desk Clocks, Alarm Clocks.
• Advantages: Affordability, reliability, and availability.
• Disadvantages: Potential for leakage, shorter lifespan compared to lithium.

Lithium Batteries: Long-Lasting Power

Need a battery that can go the distance? Lithium batteries are your go-to choice. If your clock needs long-lasting, stable power, lithium batteries are the way to go. They boast extended battery life, higher voltage stability, and can even withstand extreme temperatures. The catch? They come with a higher price tag. Think of them as the marathon runners of the battery world, built for endurance and performance, even if they cost a bit more.

• When to Use: High-end clocks, clocks in extreme temperatures, clocks requiring infrequent battery changes.
• Advantages: Extended battery life, higher voltage stability, temperature resistance.
• Disadvantages: Higher cost.

Silver Oxide Batteries: Precision for Smaller Clocks

These are the specialists. Silver oxide batteries are the unsung heroes of smaller, precision timekeeping devices like watches. Their stable voltage output and compact size make them perfect for delicate mechanisms. Plus, they have a long shelf life, meaning they’ll be ready when you need them. They’re like the brain surgeons of batteries – precise, reliable, and essential for critical operations.

• Typical Use: Watches, precision timekeeping devices.
• Advantages: Stable voltage output, compact size, long shelf life.

Zinc-Air Batteries: A Niche Option

A bit of a rarity in the clock world, zinc-air batteries are typically found in hearing aids that might have been adapted for use in specialized clock setups. Their main perk? High energy density and environmental friendliness. They’re like the eco-conscious, slightly quirky friend who brings a unique perspective to the table.

• Specific Uses: Hearing aids adapted to clocks, specialized devices.
• Advantages: High energy density, environmentally friendly.

Button Cell Batteries: Small but Mighty (and Dangerous!)

Don’t let their size fool you! Button cell batteries pack a serious punch in small digital and analog clocks and watches. But here’s the IMPORTANT thing: they pose a SERIOUS CHILD SAFETY HAZARD. Keep these tiny terrors OUT OF REACH of children! If ingested, they can cause severe internal injuries. Think of them as the powerful, dangerous little ninjas of the battery world.

• Common Use: Small digital and analog clocks/watches.
• Child Safety: EXTREME HAZARD IF SWALLOWED. Keep out of reach of children! Seek immediate medical attention if ingested.

AAA and AA Batteries: Common Household Options

Ah, the staples of the battery world! AAA and AA batteries are the workhorses of many household devices, and clocks are no exception. While both can power your timepieces, it’s worth considering the battery life differences. Generally, AA batteries offer longer runtimes than their AAA counterparts. It is something important to consider. These batteries are like your trusty pair of jeans – reliable, versatile, and always there when you need them.

• Common Uses: Various clocks, remotes, and other household devices.
• Battery Life: AA batteries typically offer longer battery life in clock applications compared to AAA batteries.

Understanding Battery Specifications: Voltage, Capacity, and Codes

Ever stared at a battery package and felt like you were reading hieroglyphics? You’re not alone! Those numbers and letters might seem confusing, but they’re actually super important for keeping your clocks ticking accurately. Let’s crack the code on voltage, capacity, and those mysterious battery numbers, so you can be a battery-buying pro.

Voltage (V): Matching Power to Your Clock

Think of voltage as the “oomph” of the battery. Your clock needs a specific amount of “oomph” to work correctly. Too little, and it won’t run. Too much, and you could fry the poor thing! Always check your clock’s manual or the old battery to see what voltage it needs.

• Most clocks use 1.5V batteries (like AA or AAA). Using a different voltage can seriously damage your clock. It is crucial to match the voltage requirements of your clock to prevent any damage or malfunction.

Capacity (mAh): Understanding Battery Life

Okay, so voltage is the “oomph,” but capacity (measured in milliampere-hours or mAh) is how long that “oomph” lasts. Think of it like the size of your gas tank. The higher the mAh, the longer your clock will tick before needing a refill (or, you know, a new battery).

• A clock with a higher mAh rating is like having a bigger fuel tank in your car. The type of clock and its features significantly impact battery consumption. A clock with a constantly lit display will drain the battery faster than a simple analog clock.
• Also be aware that features such as an alarm on an alarm clock will impact how long a clock lasts before needing a battery replaced.

Size Matters: Diameter (mm) and Thickness/Height (mm)

This one’s pretty straightforward. A battery needs to physically fit in the battery compartment! The diameter (how wide it is) and thickness/height (how tall it is) are measured in millimeters (mm).

• If the battery is too big, it won’t fit. If it’s too small, it won’t make contact. Check the dimensions before you buy!

Decoding the Battery Number/Code: Finding the Right Match

This is where things can get a little tricky, but don’t worry, we’ll break it down. Each battery has a unique alphanumeric code that tells you everything you need to know.

• For example, you might see codes like LR44/AG13, CR2032, CR2025, or SR626SW/377. These codes indicate the battery’s size, shape, and chemical composition.

To make things even easier, here’s a handy (but not exhaustive) cheat sheet:

Battery Code	Equivalent Types	Notes
LR44/AG13	A76, LR1154	Common in small electronic devices
CR2032	DL2032, ECR2032	Often used in computer motherboards and car key fobs
CR2025	DL2025, ECR2025	Slightly thinner than CR2032; check your device’s specifications
SR626SW/377	AG4, SG4	Used in watches and other precision timekeeping devices

Always double-check the code on your old battery or in your clock’s manual to find the perfect match! Don’t just eyeball it—accuracy is key to avoid any headaches.

Clock-Specific Battery Guide: Matching Power to the Ticking Timepiece

Alright, let’s get this straight! Not all clocks are created equal, and neither are their battery needs. It’s like trying to feed a Great Dane the same amount of kibble as a Chihuahua – someone’s gonna be left hungry and disappointed. So, let’s break down the wonderful world of clocks and their battery cravings.

Analog Clocks: The Traditional Timekeeper

Ah, the classic analog clock, with its graceful hands sweeping across the face. These guys are usually pretty low-maintenance.

• Typical Battery Types: Most analog clocks run on either AA or C batteries. The size often depends on the size of the clock itself. Little desk clock? Probably AA. A bigger wall clock? C might be the way to go.
• Average Replacement Frequency: Expect to swap out those batteries every 6-12 months. Of course, this depends on the quality of the battery and how power-hungry the clock’s movement is. If your clock starts lagging behind, it’s definitely battery o’clock!

Digital Clocks: Powering the Display

Now, digital clocks are a whole different ball game. It all comes down to the type of display they’re rockin’.

• Display Types and Power Requirements:

  • LCD (Liquid Crystal Display): These are the energy sippers of the digital world. They display is nice and clear. They don’t require a ton of power, so they’re gentle on battery life.
  • LED (Light Emitting Diode): These are the flashy, bright displays that you can see from across the room. But that brightness comes at a cost – they gobble up more power.

• Recommended Battery Types:

  • For LCD clocks, AA or even AAA batteries will usually do the trick, and they’ll last a good while.
  • For LED clocks, you might need to opt for C or D batteries, especially if you want to avoid changing them every other week. Alternatively, consider a clock that can be plugged in via USB power.

Wall Clocks: Large and in Charge

These clocks often demand a little more consideration due to their size and visibility.

• Battery Considerations: Larger clocks, particularly those with decorative features or a pendulum, can be heavier and require more power to operate. Always check the manufacturer’s recommendation.
• Battery Recommendations: Often C batteries or D batteries are the best.

Desk Clocks: Compact and Convenient

Desk clocks blend into any environment and provide a quick reference.

• Battery Considerations: Compact designs prioritize space, so battery size is important for desk clocks.
• Battery Recommendations: AAA, AA or button cell are often used in desk clocks.

Alarm Clocks: Ensuring You Wake Up on Time

The most important job a clock can have!

• Battery Requirements: Alarm clocks need reliable battery life, especially if they’re your primary wake-up method.
• Backup Power Options: Look for alarm clocks with backup battery compartments. That way, if the power goes out, you’ll still get your morning wake-up call. No more blaming missed meetings on a dead clock! A lithium battery is optimal here.

Inside the Clock: Battery Management and Key Components

Ever wondered what goes on behind the scenes in your clock? It’s more than just gears and springs these days (unless you’re rocking a super vintage timepiece, which is awesome!). Let’s crack open the case (figuratively, of course—don’t go breaking your clock!) and take a peek at how everything works together to keep you on schedule. We’re diving into the heart of the matter – the battery and its crucial role within the clock’s internal system.

Movement (Clock Mechanism): The Heart of the Clock

At the core of most modern clocks is the movement, and a super common type is the quartz movement. Think of it like the clock’s brain and muscles all rolled into one. This little marvel uses the consistent vibrations of a tiny quartz crystal to keep time incredibly accurately. But all that precision comes at a cost: power. The movement needs energy to do its thing, and that’s where the battery steps in.

The type of movement significantly impacts battery consumption. A more complex movement, with extra features like a second hand or a chime, will naturally drain the battery faster than a simple one. The efficiency of the movement also plays a role; some are designed to sip power, while others are a bit more…thirsty.

Battery Compartment: A Secure Home for Power

Next up, let’s talk about the battery compartment. This is where your clock’s power source lives. Popping the battery in seems simple, right? Well, there’s a right way and a wrong way to do it!

• Proper Installation is Key: Always make sure you’re using the correct battery type and size as specified by the clock’s manufacturer.
• Polarity Matters!: Pay close attention to the polarity, marked with a plus (+) and minus (-) symbol. Getting this wrong won’t just stop the clock from working; it could potentially damage the movement. Match the markings on the battery to those inside the compartment. It’s like a handshake—gotta get it right!

Battery Contact Springs: Ensuring a Good Connection

Those little metal springs inside the battery compartment? They’re more important than you might think! These are the battery contact springs. They’re responsible for creating a solid electrical connection between the battery and the clock’s circuitry.

• If the connection is loose or corroded, you might experience intermittent power issues.
• To ensure good contact, you can gently clean the springs with a cotton swab dipped in rubbing alcohol. A little maintenance can go a long way in preventing frustrating clock malfunctions.

Battery Compartment Cover: Protection and Security

Last but not least, we have the battery compartment cover. This humble piece of plastic or metal serves a few critical purposes:

• It protects the battery and contacts from dust, moisture, and other contaminants that could interfere with the electrical connection.
• It prevents the battery from accidentally dislodging, especially if the clock is bumped or moved.
• And let’s be honest, it keeps things looking tidy and prevents curious fingers (especially those of little ones) from getting into trouble. So, make sure the cover is securely in place after you’ve installed the battery!

Troubleshooting Clock Battery Issues: From Leakage to Longevity

Okay, so your clock’s not ticking, and you suspect it’s the battery? Or maybe you see some weird, crusty stuff around the battery compartment? Don’t panic! We’ve all been there. Clock batteries, while small, can cause some pretty annoying problems. Let’s dive into troubleshooting those pesky issues and getting your clocks ticking smoothly again.

Maximizing Battery Life: Tips and Tricks

Ever feel like you just replaced the battery, and it’s already dead? Several sneaky culprits can drain your clock’s battery faster than you can say “time flies!”

• Temperature: Extreme temperatures (too hot or too cold) can impact battery performance. Think of it like this: batteries are happiest in a Goldilocks zone – not too hot, not too cold, but just right.
• Clock Usage: Some clocks, especially those with extra features like alarms or backlights, will naturally consume more power. It’s like comparing a tiny energy-sipping house to a mansion with all the lights on!
• Battery Quality: Cheap batteries are, well, cheap. Investing in a high-quality battery from a reputable brand can make a HUGE difference in lifespan. It’s like choosing between a flimsy paper cup and a sturdy thermos.
• Cleaning Contacts: A build-up of residue on your battery connectors can drastically impact battery life.

Here are a few simple tips to squeeze the most life out of your clock batteries:

• Use high-quality batteries – they really do last longer!
• Keep your clock away from direct sunlight or extreme temperatures.
• Clean the battery contacts in the clock regularly (we’ll get to that in a bit!).
• If your clock has unnecessary features draining the battery turn them off when possible.

Dealing with Battery Leakage: Prevention and Cleanup

Ah, the dreaded battery leakage. That gooey, corrosive substance is the bane of many a clock owner’s existence. Battery leakage happens when the chemicals inside the battery start to escape. This can be caused by old batteries, extreme temperatures, or even just a manufacturing defect. Prevention is key here!

• Always remove dead batteries promptly. Don’t let them sit and fester in your clock!
• Don’t mix old and new batteries. It’s like mixing different types of fuel in your car – it’s just not a good idea.
• Store batteries in a cool, dry place.

If you find corrosion, don’t touch it with your bare hands! It’s irritating and potentially harmful. Here’s how to safely clean it up:

1. Gear Up: Wear gloves (rubber or latex) and eye protection to protect yourself from the corrosive substance.
2. Ventilate: Work in a well-ventilated area.
3. Neutralize: Make a paste of baking soda and water. Apply it to the corroded area and let it fizz for a few minutes.
4. Clean: Gently scrub the area with an old toothbrush or cotton swab.
5. Rinse: Wipe away the baking soda paste with a damp cloth.
6. Dry: Make sure everything is completely dry before inserting a new battery.

Polarity Problems: Getting It Right

Polarity refers to the positive (+) and negative (-) ends of a battery. Getting the polarity wrong is a common mistake, and it can prevent your clock from working. Think of it like trying to put a puzzle piece in upside down – it just won’t fit!

• Always double-check the markings inside the battery compartment. There should be clear symbols indicating which way the battery should be inserted.
• The positive (+) end of the battery usually has a raised button, while the negative (-) end is flat.
• If your clock still isn’t working after replacing the battery, double-check the polarity! It’s easy to get turned around.

Conquering Corrosion: Restoring Battery Contacts

Even if you haven’t experienced a full-blown battery leakage, the battery contacts inside your clock can still corrode over time. This corrosion is a result of oxidation and the chemical reaction between the battery and the metal contacts.

• A build-up of corrosion can reduce the flow of electricity and cause your clock to stop working or display the incorrect time.

Here’s how to clean those corroded contacts and restore your clock’s performance:

1. Gather Your Supplies: You’ll need white vinegar (or baking soda), cotton swabs, an old toothbrush, and a clean, dry cloth.
2. Apply Vinegar (or Baking Soda Solution): Dip a cotton swab in white vinegar or a baking soda solution (mix baking soda with water to form a paste). Gently apply the vinegar or paste to the corroded contacts.
3. Scrub Gently: Use an old toothbrush to gently scrub the contacts, loosening the corrosion.
4. Wipe Clean: Wipe away the vinegar or baking soda residue with a clean, dry cloth.
5. Repeat if Necessary: If the corrosion is severe, repeat the process until the contacts are clean and shiny.

By tackling these common clock battery issues, you can keep your timepieces ticking accurately and avoid unnecessary headaches.

Choosing Your Powerhouse: Brands, Retailers, and Where to Buy

So, you’re armed with the knowledge to pick the right battery, but where do you even start looking? Don’t worry, we’ve got you covered. Finding the perfect battery for your clock is like finding the perfect pair of socks – you want something reliable, comfortable, and readily available! Let’s dive into the top battery brands and the best places to snag them.

Trusted Brands: A Guide to Battery Manufacturers

Think of battery brands as the Avengers of the power world. Each has its own unique superpower (or, you know, selling point). Here’s a quick rundown of some of the big names in the battery game:

• Duracell: The copper-top bunny that just keeps going and going! Known for its longevity and reliability, Duracell is a staple in many households. They’re like the dependable friend you can always count on. Especially nice for clocks that are hard to reach.

• Energizer: Another heavyweight champion. Energizer is famous for its long-lasting power and innovative designs. They are the brand with the Energizer Bunny too.

• Panasonic: Known for its quality and performance, Panasonic offers a wide range of batteries for various applications. Think of them as the quiet, efficient workhorse that gets the job done without fuss.

• Sony: Sony batteries are synonymous with high performance and reliability. While perhaps more known for their electronics, their batteries hold up to the Sony standard.

Where to Buy: Your Battery Shopping Guide

Alright, so you know which brands to trust, but where do you actually buy these little powerhouses? Here’s a rundown of places where you can find clock batteries:

• Hardware Stores: These are your go-to spots for all things practical. They often carry a variety of battery sizes and brands, perfect for that trusty old wall clock. Ace is the place!

• Drugstores: Need a battery in a pinch? Drugstores usually stock common battery types, making them a convenient option when you’re already picking up other essentials. *Walgreens or CVS is the place!*

• Electronics Stores: For a wider selection and more specialized batteries, electronics stores are your best bet. They often have knowledgeable staff who can help you find the right battery for your specific clock. Head to Best Buy.

• Online Retailers: The convenience of online shopping can’t be beat! Sites like Amazon and eBay offer a vast selection of batteries at competitive prices. Just be sure to check the seller’s ratings and reviews before making a purchase.

• Battery Specialty Stores: If you’re looking for a very specific or hard-to-find battery, a battery specialty store is the way to go. These stores often have experts on hand who can help you find exactly what you need.

Tools and Techniques: Battery Replacement Made Easy

So, your clock’s given up the ghost? Don’t panic! You don’t need to be a rocket scientist (or even a clocksmith) to swap out a battery. With a few simple tools and a bit of patience, you can get your timekeeper ticking again in no time. Let’s dive into the toolkit and techniques for a smooth battery replacement.

Essential Tools for the Job

Think of this as your battery-swapping arsenal. Here’s what you’ll likely need:

• Battery Tester: This little gadget is a lifesaver. Before you go ripping open a fresh pack of batteries, test the old one! It might have a sneaky bit of life left, or the problem could be something else entirely. You can find these testers super cheap online or at most hardware stores.
• Screwdrivers (Small, various types): Most clocks use tiny screws to secure the battery compartment. A set of small screwdrivers, including Phillips head and flathead, is essential. Those eyeglass repair kits? They work wonders!
• Small Pliers or Tweezers (Optional): Sometimes, batteries can be stubborn little things. Especially those coin-shaped batteries. A pair of small pliers or tweezers can help you gently wiggle them free without damaging the clock.

Step-by-Step Guide: Replacing Batteries Safely and Correctly

Alright, you’ve got your tools, you’ve got your new battery (make sure it’s the right one!), let’s get to work.

1. Safety First, Friends! Even though it’s “just a clock,” take some basic precautions. If your clock has an on/off switch, turn it off. This prevents any accidental shorts or sparks.
2. Locate the Battery Compartment: This is usually on the back of the clock, but sometimes it can be cleverly hidden. Look for a small door or cover secured with a screw or a latch.
3. Open the Compartment: Using the appropriate screwdriver, carefully remove any screws holding the battery compartment cover in place. Set the screws aside in a safe spot – those little guys are notorious for disappearing!
4. Remove the Old Battery: Take a good look at how the old battery is positioned. Notice the positive (+) and negative (-) markings. This is crucial for putting the new battery in correctly. If the battery is stuck, use your pliers or tweezers to gently pry it out. Be careful not to force it!
5. Clean the Contacts (If Needed): Sometimes, you’ll find a bit of corrosion or gunk on the battery contacts. This can prevent the new battery from making a good connection. Use a cotton swab dipped in rubbing alcohol or white vinegar to gently clean the contacts. Make sure everything is dry before proceeding.
6. Install the New Battery: Place the new battery into the compartment, making sure the positive (+) and negative (-) ends are aligned correctly with the markings.
7. Secure the Compartment: Replace the battery compartment cover and tighten the screws. Don’t overtighten, or you risk stripping the screw holes.
8. Test Your Clock: Turn the clock back on (if applicable) and make sure it’s ticking away happily. If not, double-check the battery orientation and ensure the contacts are clean.

A Word of Caution: If you encounter any corrosion, wear gloves to protect your skin. Battery leakage can be irritating and even harmful. Also, be extra careful when dealing with small button cell batteries. These are a choking hazard for children.

Safety First! Proper Disposal and Child Safety

Alright, let’s talk safety, folks! We’ve powered up our clocks, kept them ticking, and now it’s time to handle the aftermath – what to do with those old batteries and, more importantly, how to keep our little ones safe. It’s not just about keeping time; it’s about keeping our planet and our families healthy.

Responsible Disposal: Protecting the Environment

Ever tossed a battery in the trash without a second thought? We’ve all been there, but here’s the deal: batteries contain some not-so-friendly materials. When they end up in landfills, these materials can leach into the soil and water, causing pollution. Yikes!

Think of it this way: recycling batteries is like giving them a second life. Many of their components can be recovered and used to make new products. It’s a win-win! So, how do we do it?

• Local Recycling Programs: Many communities have battery recycling programs. Check your local government’s website or call your waste management department to find out where to drop off your old batteries.
• Retail Collection Points: Some retailers, like hardware stores and electronics stores, offer battery recycling drop-off points. Next time you’re stocking up on new batteries, bring your old ones along for the ride!
• Battery Recycling Kits: You can even purchase battery recycling kits online or at some stores. These kits include a container to collect your batteries and prepaid shipping to send them to a recycling facility.

Bottom line: Don’t just toss those batteries! A little effort goes a long way in protecting our environment.

Child Safety: A Critical Warning

Okay, parents, guardians, anyone with little ones around – this is super important. Those shiny, button-like batteries? They might look harmless, but they’re a serious hazard for kids.

Button cell batteries, the kind you find in many smaller clocks, watches, and toys, are especially dangerous. They’re small enough to be easily swallowed, and if ingested, they can cause severe internal injuries in as little as two hours. Terrifying, right?

Here’s what you need to know to keep your children safe:

• Keep Batteries Out of Reach: Store all batteries, especially button cells, in a secure place that kids can’t access. High shelves, locked cabinets – whatever it takes!
• Check Toys and Devices Regularly: Make sure the battery compartments of toys, clocks, and other devices are securely closed. If a compartment is loose or broken, repair it immediately.
• Dispose of Batteries Safely: When you remove a battery, dispose of it right away. Don’t leave it lying around where a child could find it.
• Know the Symptoms: Be aware of the symptoms of battery ingestion, which can include coughing, choking, drooling, vomiting, chest discomfort, and refusing to eat.
• Seek Immediate Medical Attention: If you suspect a child has swallowed a battery, don’t delay! Go to the nearest emergency room or call the National Battery Ingestion Hotline at (202) 625-3333 immediately. Time is of the essence.

This isn’t something to take lightly. These little power sources pack a punch, and they can cause serious harm if ingested. Let’s be vigilant and keep our kids safe!

So, next time your trusty bedside clock starts acting up, don’t just toss it! A simple battery swap might be all it needs. It’s a small fix that can save you from buying a whole new clock, and who knows, maybe even save the planet one tiny battery at a time.