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- Replacement Battery for Galaxy Watch 3 (45mm)...
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Item #:
84981182
Replacement Battery for Galaxy Watch 3 (45mm), EB-BR840ABY Battery Compatible with Samsung Galaxy Watch 3 45mm SM-R840 SM-R845, with Repair Tools &
76% of respondents would recommend this to a friend
Item #:
84981182
BZD 54
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from US
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Imported from USA store
QTY:
Order now and get it around Friday, October 02
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Built with brand new zero cycle original Li-Po cell, manufactured and tested under UL2054 test standards to ensure the best performance and long-lasting battery life.
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What Stands Out
High Compatibility
Engineered specifically for Galaxy Watch 3 45mm models, ensuring seamless compatibility and optimal performance with SM-R840 and SM-R845 variants.
Complete Repair Kit
Includes all necessary tools and instructions, making the battery replacement process user-friendly and convenient for all skill levels.
Reliable Performance
Designed to provide lasting power and efficiency, enhancing the overall user experience by minimizing downtime and maximizing watch functionality.
Product Details
| Country of Origin | This item will be imported from US |
| Item Weight | 0.1 lbs (50 grams) |
| What is in the box | Replacement Battery for Galaxy... For more details, please check description/product details |
Dangerous Goods
To avoid the delay in customs clearance process for Dangerous Goods, the shipment shall be opened at our warehouse facility to check the severity of hazardous components. Please see the list of Dangerous goods here.
Who Should Buy?
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Frequent Users
Individuals who use their Galaxy Watch 3 regularly will benefit from a replacement battery for extended usage.
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DIY Enthusiasts
People comfortable with electronics and repairs can easily replace the battery with included tools and instructions.
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Cost-Conscious Consumers
Users looking to save money on expensive repairs or replacements can opt for this affordable battery solution.
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Non-Technical Users
Individuals with no experience in electronics may struggle with the installation despite included tools and instructions.
Product Description
Replacement Battery for Galaxy Watch 3 (45mm), EB-BR840ABY Battery Compatible with Samsung Galaxy Watch 3 45mm SM-R840 SM-R845, with Repair Tools & Instruction
Have any Query? Chat with us
Customer Questions & Answers
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Question:
What is included in the Replacement Battery for Galaxy Watch 3 package?
Answer: The Replacement Battery for Galaxy Watch 3 package includes the EB-BR840ABY battery, repair tools, and installation instructions. This comprehensive kit allows users to replace their watch battery safely and efficiently. The included tools are specifically designed for the disassembly and reassembly of your Galaxy Watch 3, making it easier to perform the replacement. Whether you're a DIY enthusiast or seeking to save on repair costs, this kit provides everything necessary to restore your watch's functionality. -
Question:
Is the EB-BR840ABY battery compatible with other models?
Answer: The EB-BR840ABY battery is specifically designed to be compatible with the Samsung Galaxy Watch 3 45mm models SM-R840 and SM-R845. It may not be suitable for other models or brands due to differences in size, voltage, and connectors. When replacing your watch's battery, it's essential to ensure you choose the correct model to avoid complications or damage. Stick to the compatible models as specified for the best results and performance. -
Question:
How do I know if my Galaxy Watch 3 needs a battery replacement?
Answer: Signs that your Galaxy Watch 3 may need a battery replacement include significantly reduced battery life, frequent powering off, or failure to hold a charge after being plugged in. If your watch's performance has diminished and it does not last through the day, a new battery can help restore optimal functionality. Observing these symptoms is critical in determining when to replace the battery, ensuring your device remains operational. -
Question:
Can I replace the Galaxy Watch 3 battery myself?
Answer: Yes, you can replace the Galaxy Watch 3 battery yourself if you have the right tools and follow the instructions carefully. The package comes with tools and a step-by-step guide to help you through the process. It's a great way to save on repair costs, as long as you handle your watch with care and take necessary precautions. This DIY approach is perfect for tech-savvy users who enjoy hands-on projects. -
Question:
What tools are included for battery replacement?
Answer: The battery replacement kit includes essential repair tools specifically chosen for the Galaxy Watch 3. Typically, you will find screwdrivers, a plastic spudger, and adhesive strips to facilitate the battery replacement process. Each tool plays a role in safely opening the watch casing and removing the old battery without causing damage. Having the proper tools ensures a smooth replacement experience, reducing the risk of mishaps. -
Question:
How long does the new battery take to charge?
Answer: Charging time for the new EB-BR840ABY battery will vary depending on the charger used. Usually, it will take approximately 1.5 to 2 hours to fully charge. To optimize charging, always use a Samsung-approved charger. After replacing the battery, it's advisable to fully charge the watch to calibrate the new battery correctly. Monitoring charge cycles initially can also help confirm the battery is functioning correctly. -
Question:
What precautions should I take during the battery replacement?
Answer: Before replacing the battery, ensure you unplug the watch and work in a static-free environment. It’s essential to power down the watch to prevent any electrical shorts. Use tools cautiously to avoid damaging the internal components. Following the provided guide step-by-step minimizes risks associated with the replacement process. Proper precautions will help ensure that your watch remains in excellent condition during the repair. -
Question:
Can the battery of the Galaxy Watch 3 improve performance?
Answer: Replacing a degraded battery can indeed improve your Galaxy Watch 3’s performance. A fresh battery revitalizes the watch, allowing it to operate at full power and extend usage time before needing to recharge. This boosts the overall performance, enabling features such as heart rate monitoring, notifications, and fitness tracking without interruption. Thus, battery replacement is not just about longevity but also about restoring your device’s capabilities. -
Question:
Where can I buy a Replacement Battery for Galaxy Watch 3?
Answer: You can purchase the Replacement Battery for Galaxy Watch 3, including the EB-BR840ABY battery, from Ubuy. They offer a reliable selection tailored for customers in Belize. Ubuy specializes in providing quality electronic accessories, making it easy for you to find the right battery along with necessary tools for your watch repair needs. -
Question:
Is there any special care needed for the new battery?
Answer: After installing the new EB-BR840ABY battery, special care includes avoiding extreme temperatures and not overcharging the watch. Regularly calibrating the battery after replacement—by allowing it to fully discharge and then completely recharge—can enhance battery longevity. Additionally, managing app usage and ensuring that software is up-to-date can improve the overall efficiency and lifespan of the battery. Simple care can prolong the performance of your Galaxy Watch 3.
MAXSHARKS Batteries Editorial Review
Replacement Battery for Galaxy Watch 3 (45mm), EB-BR840ABY Battery Compatible with Samsung Galaxy Watch 3 45mm SM-R840 SM-R845, with Repair Tools & Instruction offers a compelling solution for watch enthusiasts looking to restore their Galaxy Watch 3's functionality. Users have appreciated the inclusive repair toolkit and clear instructions that come with the battery, making the replacement process manageable even for beginners. However, battery life has received mixed reviews, with some customers noting it may not last as long as the original. Overall, it's a viable option for those considering a DIY approach to revive their watch, provided they manage their expectations on longevity.
Customer Reviews & Ratings
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Pros
- Comes with a comprehensive toolkit for replacement
- Straightforward instructions for easy installation
- Improves watch functionality significantly after replacement
- Compatible with both SM-R840 and SM-R845 models
- User-friendly experience reported by many customers
Cons
- Battery life may not meet expectations for heavy use
Platform Trust & Buyer Confidence
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Jasmin
Verified buyer
“Great products and very good service: very easy and very fast international delivery.”
9 September 2026 · via Trustpilot
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Anke
Verified buyer
“Wonderful online shopping experience, smooth transaction from the start. Payment method works conveniently and delivery is unexpectedly fast and reliable. You go the extra mile for service. What makes this even more amazing, you deliver to Namibia. I will remain a happy Ubuy customer and will increase my purchases for sure! Thank you!”
10 September 2026 · via Trustpilot
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Hazel
Verified buyer
“Very easy to find the products what you need, and so fast delivery, that’s why I highly recommended to others costumers to used ubuy.”
10 September 2026 · via Trustpilot
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Opaleye
Verified buyer
“I received exactly what I ordered I was skeptical about your site because that was my first time to order. But the order came timely and neatly packaged. I was not disappointed. Thank you.”
11 September 2026 · via Trustpilot
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Adele
Verified buyer
“Easy to find and order what you want on the website. Delivery is quick to the UK”
8 September 2026 · via Trustpilot
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BZD 54
Order now and get it around Friday, October 02
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Features & Benefits
- Designed specifically for Galaxy Watch 3 (45mm) models SM-R840 and SM-R845.
- Includes a high-quality zero cycle Li-Po battery for optimal performance.
- Comes with a comprehensive repair guide for easy installation.
- Includes a professional toolkit for safe and efficient repairs.
- Battery is packaged in a protective case to prevent damage during shipping.
- Requires three full charge and discharge cycles for optimal calibration.
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