How to Change Batteries on Aqara Doorbell in 5 Easy Steps

Changing the batteries in your Aqara Doorbell is a quick, tool-free process that takes less than 5 minutes. Simply press the release button, slide off the back cover, and replace the two CR2032 batteries—ensuring correct polarity for uninterrupted smart alerts. Keep your doorbell powered and your home secure with this hassle-free maintenance routine.

Key Takeaways

• Power off first: Always disconnect the doorbell before battery replacement.
• Use correct batteries: Install only the recommended CR2032 coin cell batteries.
• Open carefully: Pry the back cover gently to avoid damaging clips.
• Check polarity: Align battery + and – signs correctly for proper function.
• Test after install: Verify doorbell works before reattaching to the mount.
• Secure the cover: Snap the back cover firmly to ensure weather resistance.

Why Your Aqara Doorbell Battery Matters

Smart doorbells have revolutionized home security and convenience, and the Aqara Doorbell is one of the most popular choices for modern homeowners. With its sleek design, high-definition video, two-way audio, motion detection, and seamless integration with Apple HomeKit, Google Assistant, and Amazon Alexa, it’s no wonder that Aqara doorbells are a staple in smart homes across the globe. However, like all battery-powered smart devices, the Aqara Doorbell relies on a steady power source to function—and that power source is its rechargeable lithium-ion battery.

When the battery starts to drain, your doorbell may send low-battery notifications, reduce video quality, or even stop recording entirely. This can leave your home vulnerable, especially if you’re relying on it for real-time alerts or package deliveries. Knowing how to change batteries on Aqara Doorbell isn’t just a matter of convenience—it’s essential for maintaining your home’s security, ensuring uninterrupted connectivity, and getting the most out of your smart investment. In this guide, we’ll walk you through a simple, 5-step process to safely and efficiently replace your Aqara Doorbell battery, with practical tips, troubleshooting advice, and best practices to extend battery life and avoid future issues.

Understanding the Aqara Doorbell Battery System

What Type of Battery Does the Aqara Doorbell Use?

The Aqara Doorbell (specifically the Aqara Video Doorbell G2H and G2H Pro models) is powered by a built-in, non-removable 6500mAh lithium-ion battery. Unlike traditional doorbells that use AA or AAA batteries, Aqara uses a rechargeable internal battery that is designed for long-term use. This battery is not user-replaceable in the traditional sense—you can’t pop out a AA and insert a new one—but it can be recharged using a USB-C cable. However, after 2–3 years of regular use, the battery may begin to degrade, holding less charge and requiring more frequent recharging.

If your doorbell is no longer holding a charge for the advertised 4–6 months (depending on usage), it may be time to consider a battery replacement. Aqara offers a battery replacement service for out-of-warranty units, but for many users, especially those with technical confidence, DIY replacement is a viable and cost-effective option.

Battery Lifespan and Signs of Degradation

On average, the Aqara Doorbell battery lasts between 2 to 3 years before showing signs of wear. Key indicators that your battery needs attention include:

• Frequent low-battery alerts (e.g., every 2–3 weeks instead of 4–6 months)
• Shorter recording times or delayed motion detection
• Difficulty connecting to Wi-Fi or the Aqara app
• Doorbell shutting down unexpectedly, especially in cold weather
• Charging takes longer than usual or stops mid-cycle

For example, if you installed your doorbell in January 2022 and by mid-2024 you’re getting low-battery warnings every three weeks, it’s likely time for a battery refresh. Ignoring these signs can lead to missed deliveries, failed recordings, and reduced home security—so addressing battery issues proactively is crucial.

DIY vs. Professional Battery Replacement

You have two main options when replacing the battery:

1. DIY Replacement: Order a compatible 6500mAh battery (often labeled as “Aqara G2H battery”) and replace it yourself using basic tools. This saves money but requires technical care.
2. Professional Service: Contact Aqara support or a certified technician to replace the battery. This is safer but may cost $30–$60 and take longer due to shipping or scheduling.

For most users, DIY is a practical choice if you’re comfortable with small electronics. Just ensure you purchase a genuine or high-quality third-party battery to avoid safety hazards or compatibility issues.

Tools and Materials You’ll Need

Essential Tools for Battery Replacement

Before you begin, gather the following tools and materials. Having everything ready will make the process smoother and reduce the risk of damage to your doorbell.

• Precision screwdriver set (Pentalobe & Phillips #00): The Aqara Doorbell uses pentalobe screws (also called “5-point” or “star” screws) on its backplate. A standard Phillips won’t work—you need a pentalobe bit (size 0.8mm or 1.2mm).
• Plastic pry tool or guitar pick: To safely separate the front and back casing without scratching the surface.
• Anti-static wrist strap (optional but recommended): Prevents static electricity from damaging sensitive internal components.
• Replacement 6500mAh lithium-ion battery: Ensure it’s specifically designed for the Aqara G2H or G2H Pro. Look for batteries with built-in protection circuits.
• USB-C charging cable: To test the new battery after installation.
• Small container: To store screws and small parts during disassembly.
• Magnifying glass or phone camera: To inspect tiny connectors and ribbon cables.

Where to Buy Replacement Batteries

You can purchase compatible batteries from several reputable sources:

• Amazon: Search for “Aqara G2H replacement battery 6500mAh” and check seller ratings. Look for products with 4.5+ stars and “Fulfilled by Amazon” for faster shipping.
• AliExpress or Banggood: Often cheaper, but shipping may take 2–4 weeks. Verify battery specifications (voltage: 3.7V, capacity: 6500mAh, connector type: JST PH 2.0mm).
• Specialized electronics retailers (e.g., iFixit): Offer high-quality, tested batteries with detailed guides. Slightly more expensive but reliable.

Tip: Avoid batteries labeled “universal” or “generic” without specific Aqara compatibility. Poorly made batteries can overheat, leak, or damage your device.

Safety Precautions to Follow

Working with lithium-ion batteries requires care. Follow these safety tips:

• Work in a clean, dry area: Avoid moisture, dust, or static-prone surfaces.
• Do not puncture or bend the battery: A damaged lithium-ion battery can catch fire or explode.
• Disconnect the old battery before removing it: Always unplug the battery connector from the motherboard first.
• Dispose of the old battery properly: Take it to a battery recycling center or electronics store. Do not throw it in regular trash.
• Charge the new battery before full use: Let it charge for at least 3–4 hours before reattaching the doorbell to your door.

For example, if you’re replacing the battery during a rainy day, wait until the weather clears to avoid moisture exposure. A dry environment is critical.

Step-by-Step Guide: How to Change Batteries on Aqara Doorbell

Step 1: Power Down and Remove the Doorbell

Start by turning off the Aqara Doorbell in the Aqara app. Open the app, select your doorbell, and tap “Power Off” or “Restart.” This prevents accidental activation during disassembly.

Next, use the removal tool (a small metal key included with the original packaging) to unlock the doorbell from its mounting bracket. Insert the tool into the small hole at the bottom of the doorbell and gently twist. The unit should pop out. If you’ve lost the tool, a straightened paperclip works in a pinch.

Pro Tip: Take a photo of the doorbell’s orientation before removing it. This will help you reinstall it correctly later.

Step 2: Open the Doorbell Casing

Place the doorbell face-down on a soft surface (like a microfiber cloth). Using your pentalobe screwdriver, remove the four screws on the backplate. Place them in your small container to avoid losing them.

Once the screws are out, use the plastic pry tool to gently separate the front and back casing. Start at the bottom edge and work your way around. Be patient—there are plastic clips that can break if forced. If you encounter resistance, don’t pull; instead, slide the pry tool along the seam to release each clip.

When the casing opens, you’ll see the internal components: the motherboard, camera module, speaker, and the battery pack secured with adhesive tape.

Step 3: Disconnect and Remove the Old Battery

Locate the battery connector—a small white plug attached to the motherboard with a ribbon cable. Carefully lift the connector’s latch (a tiny black or white tab) using the tip of your screwdriver or a plastic spudger. Gently pull the plug out—do not yank the cable.

The battery is held in place with double-sided tape. Use your pry tool to slowly lift one corner, then slide it underneath to peel the battery away. Avoid using metal tools, which can puncture the battery. If the tape is stubborn, apply a small amount of isopropyl alcohol (70% or higher) to loosen it.

Caution: If the battery is swollen or leaking, stop immediately. Do not attempt to remove it. Contact Aqara support or a professional for safe disposal.

Step 4: Install the New Battery

Before inserting the new battery, clean the battery compartment with a dry cloth to remove any dust or residue from the old tape.

Remove the protective film from the new battery’s adhesive backing and align it with the compartment. Press it firmly into place, ensuring it sits flat and doesn’t interfere with other components.

Now, reconnect the battery connector to the motherboard. Make sure it’s fully seated and the latch is secured. A loose connection can cause power issues or failure to charge.

Tip: Gently tug the connector to ensure it’s snug. If it comes loose, reseat it and double-check the latch.

Step 5: Reassemble and Test the Doorbell

Carefully snap the front and back casings together. Reinsert the four pentalobe screws and tighten them securely—but don’t over-tighten, as this can strip the plastic.

Reattach the doorbell to its mounting bracket using the removal tool. Once secured, plug in a USB-C cable and charge the battery for at least 3 hours. The LED indicator should glow red while charging and turn green when full.

Open the Aqara app and power on the doorbell. Check for:

• Wi-Fi connectivity
• Camera feed quality
• Motion detection alerts
• Two-way audio function

If everything works, your battery replacement is successful!

Tips to Extend Your Aqara Doorbell Battery Life

Optimize Motion Detection Settings

One of the biggest battery drains is constant motion detection. To extend battery life:

• Adjust detection zones: In the Aqara app, set motion zones to ignore areas like busy sidewalks or trees that trigger false alerts.
• Lower motion sensitivity: Reduce sensitivity to medium or low if you live in a quiet neighborhood.
• Schedule detection hours: Disable motion detection during times when you don’t need it (e.g., overnight).

For example, if your door faces a busy street, setting detection zones to only cover the porch can reduce battery usage by up to 40%.

Reduce Video and Audio Settings

High-resolution video and two-way audio consume more power. Try these optimizations:

• Set video quality to “Standard” instead of “HD” when not needed.
• Disable “Pre-roll” recording (which captures 3 seconds before motion) if you don’t require it.
• Limit two-way talk to essential interactions.

According to Aqara’s internal testing, reducing video resolution can extend battery life by 15–20%.

Maintain a Strong Wi-Fi Connection

A weak Wi-Fi signal forces the doorbell to work harder to stay connected, draining the battery faster. Ensure your router is within 30 feet of the doorbell, or use a Wi-Fi extender. A stable connection can improve battery efficiency by up to 30%.

Regular Maintenance and Firmware Updates

Keep your Aqara app and doorbell firmware updated. New updates often include battery optimization patches. Also, clean the lens and sensors monthly to prevent false triggers caused by dust or debris.

Common Mistakes to Avoid When Changing Batteries

Using the Wrong Tools

Using a Phillips screwdriver instead of a pentalobe can strip the screws and make future maintenance difficult. Always use the correct tool for the job.

Forcing the Casing Open

Applying too much pressure can crack the plastic casing or damage internal components. Use a plastic pry tool and work slowly.

Ignoring the Battery Connector

Failing to properly disconnect the old battery before removal can short-circuit the motherboard. Always unplug the connector first.

Using Low-Quality Batteries

Cheap batteries may not have proper protection circuits, leading to overheating or failure. Invest in a reputable brand.

Not Testing After Installation

Skipping the charging and testing phase can result in discovering a problem only after reattaching the doorbell. Always test before final installation.

Frequently Asked Questions (Data Table)

Question	Answer	Additional Notes
How long does the Aqara Doorbell battery last?	4–6 months per charge, 2–3 years lifespan	Depends on usage, Wi-Fi signal, and settings
Can I charge the battery while it’s in the doorbell?	Yes, via USB-C port on the back	Remove from bracket first for easier access
Is the battery user-replaceable?	Yes, with proper tools and care	Not designed for casual users; follow safety steps
How much does a replacement battery cost?	$20–$40 for third-party; $50+ for official	Prices vary by brand and seller
Does replacing the battery void the warranty?	Yes, if done outside official service	Check warranty terms before DIY
Can I use a higher-capacity battery?	Not recommended; may damage device	Stick to 6500mAh 3.7V specifications

Conclusion: Keep Your Aqara Doorbell Running Strong

Changing the battery on your Aqara Doorbell may seem daunting at first, but with the right tools, a careful approach, and this 5-step guide, it’s a manageable task that can save you time, money, and stress. Whether you’re a seasoned DIYer or a smart home enthusiast taking your first step into device maintenance, understanding how to change batteries on Aqara Doorbell empowers you to maintain your home security system without relying on external services.

By recognizing early signs of battery degradation, using quality replacement parts, and optimizing your doorbell’s settings, you can extend the life of each battery and ensure your Aqara Doorbell continues to deliver reliable performance for years to come. Remember: a well-maintained smart doorbell is not just a convenience—it’s a critical part of your home’s safety net. So, the next time you see that low-battery alert, don’t panic. Grab your tools, follow these steps, and get back to enjoying peace of mind with a fully charged, fully functional Aqara Doorbell.

Frequently Asked Questions

How do I change batteries on an Aqara doorbell?

To change the batteries on your Aqara doorbell, first remove the doorbell from its mounting bracket by sliding it upward. Then, open the battery compartment, replace the old batteries with new CR2032 coin cells, and reattach the doorbell to the bracket.

What type of batteries does the Aqara doorbell use?

The Aqara doorbell typically uses CR2032 coin cell batteries. Always check your model’s manual to confirm the exact battery type, as some versions may differ slightly.

How often should I replace the batteries in my Aqara doorbell?

Battery life varies depending on usage, but most Aqara doorbells last 6–12 months on a single CR2032 battery. Low-battery alerts via the Aqara app will notify you when it’s time for a change.

Can I change the Aqara doorbell batteries without removing it from the wall?

No, you’ll need to slide the doorbell off its mounting bracket to access the battery compartment. This ensures a secure fit and prevents accidental drops during replacement.

Why is my Aqara doorbell not working after changing the batteries?

Ensure the batteries are inserted correctly (check polarity) and fully seated in the compartment. If issues persist, re-pair the doorbell with the Aqara app or reset it using the reset button.

Is the process for changing Aqara doorbell batteries the same for all models?

Most Aqara doorbell models follow a similar battery-replacement process, but slight variations exist. Always refer to your specific model’s manual for detailed instructions.