How to Replace the Samsung Galaxy Watch4 Classic 46mm Battery (EB-BR890ABY) – Complete Guide

Introduction

Smartwatches like the Samsung Galaxy Watch4 Classic 46mm have become essential companions in our daily lives. From tracking workouts to monitoring heart rate, receiving calls, and even making payments, this smartwatch does it all. But just like any other electronic device, its performance heavily depends on the battery health. Over time, the original battery can start to degrade, leading to shorter usage times, overheating, or unexpected shutdowns.

If you own a Galaxy Watch4 Classic 46mm (SM-R890) and notice these problems, it might be time to replace your battery with the Genuine EB-BR890ABY 361mAh replacement battery. In this guide, we’ll explain why this battery is the best option, signs that indicate you need a replacement, and how to safely replace it.

Why Choose the Genuine EB-BR890ABY Battery?

When it comes to battery replacement, not all batteries are created equal. Using a non-genuine battery may cause:

• Incompatibility issues: Wrong size or connector may damage your smartwatch.
• Reduced performance: Poor-quality batteries don’t hold charge as effectively.
• Safety risks: Non-original batteries may overheat, swell, or leak.

By choosing the Genuine EB-BR890ABY, you get:

• 361mAh capacity – same as the original for reliable performance.
• Perfect compatibility with Galaxy Watch4 Classic 46mm (SM-R890).
• OEM quality standards – ensuring safety against overcharging and overheating.
• Long-lasting power – keep your watch running all day without frequent recharges.

Signs Your Samsung Galaxy Watch4 Battery Needs Replacement

It’s not always obvious when a battery needs replacing. Watch for these common symptoms:

1. Quick Power Drain – If your watch lasts only a few hours instead of a full day.
2. Charging Issues – The battery won’t charge fully or takes unusually long.
3. Unexpected Shutdowns – The watch powers off randomly even with charge left.
4. Overheating – The watch gets too hot during normal use or charging.
5. Swollen Battery – A rare but serious issue where the battery expands and pushes against the screen.

If you notice any of these, replacing the battery with the EB-BR890ABY is the most effective solution.

Step-by-Step Guide to Replacing the EB-BR890ABY Battery

⚠️ Disclaimer: Battery replacement involves opening your smartwatch, which may void warranties. If you’re not comfortable with DIY repairs, we recommend professional service.

Tools You’ll Need:

• Precision screwdriver set
• Plastic prying tool
• Tweezers
• Adhesive strips (for sealing the watch back)
• Anti-static gloves (optional but recommended)

Steps:

1. Power Off the Watch – Hold the power button until the device fully shuts down.
2. Remove the Straps – Detach the watch straps for easier access.
3. Open the Back Cover – Use a precision screwdriver to remove screws and a prying tool to lift the cover gently.
4. Disconnect the Battery Connector – Carefully unplug the battery connection using tweezers.
5. Remove the Old Battery – Lift it out gently without bending or puncturing.
6. Install the New EB-BR890ABY Battery – Place the new battery in position and reconnect the connector.
7. Seal the Watch Back – Apply new adhesive strips, close the cover, and tighten screws.
8. Restart & Test – Power on the watch to ensure proper function and charging.

Tips for Extending Your New Battery Life

After replacing the battery, you’ll want to maximize its lifespan. Here’s how:

• Avoid overcharging – Remove the watch from the charger once it reaches 100%.
• Keep software updated – Samsung updates often improve battery efficiency.
• Use power-saving modes – Enable when traveling or in low-battery situations.
• Avoid extreme temperatures – Heat and cold can degrade battery health.
• Charge regularly – Don’t let the battery fully drain to 0% frequently.

Frequently Asked Questions (FAQ)

Q1: Can I use this battery for the Galaxy Watch4 40mm or 42mm models?
A1: No, the EB-BR890ABY is specifically designed for the Galaxy Watch4 Classic 46mm (SM-R890).

Q2: Is the replacement process safe?
A2: Yes, as long as you follow the steps carefully or let a professional handle it.

Q3: How long will the new battery last?
A3: With normal use, the EB-BR890ABY battery can last 1–2 years before noticeable degradation.

Q4: Does the new battery support fast charging?
A4: Yes, it supports the same charging speed as the original factory-installed battery.

Q5: Where can I buy the Genuine EB-BR890ABY battery?
A5: You can purchase it from authorized sellers and trusted online retailers that supply genuine Samsung parts.

Conclusion

Your Samsung Galaxy Watch4 Classic 46mm is an advanced smartwatch designed to keep up with your active lifestyle. However, when the battery starts failing, its usefulness can quickly diminish. That’s where the Genuine EB-BR890ABY Battery comes in—restoring your watch’s power, reliability, and performance.

By choosing an authentic replacement, you not only extend the life of your smartwatch but also ensure safety and long-lasting satisfaction. Whether you attempt the replacement yourself or seek professional help, upgrading to the EB-BR890ABY battery is the smart choice to keep your Galaxy Watch4 Classic performing like new.