For SAMSUNG WATCH ACTIVE 2 44mm SM-R820 SM-R825 Battery EB-BR820ABY GH43-04966A

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Original EB-BR820ABY battery for Samsung Watch Active 2 44mm (SM-R820/SM-R825). 340mAh capacity, includes repair tools & waterproof seal. GH43-04966A compatible. 12-month warranty. Restore your smartwatch’s battery life.

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Genuine Samsung Galaxy Watch Active 2 44mm Battery Replacement Kit – EB-BR820ABY

Revive your Samsung Galaxy Watch Active 2 with this authentic EB-BR820ABY battery replacement kit. Specifically designed for the 44mm models (SM-R820 and SM-R825), this genuine battery (GH43-04966A) restores your smartwatch’s original performance and battery life. Complete with professional tools and waterproof sealing materials for a successful DIY repair.

Key Features:

  •  Genuine EB-BR820ABY Battery: Original Samsung specifications (P/N: GH43-04966A)

  •  340mAh Capacity: Matches factory performance

  •  Waterproof Sealing: Includes new adhesive for water resistance

  •  Complete Tool Kit: All professional tools included

  •  Fast Charging Compatible: Maintains original charging speed

  •  Perfect Fit: Designed for 44mm models only

  •  Quality Guaranteed: 12-month warranty

 Kit Includes:

  • 1x Genuine EB-BR820ABY Battery (340mAh)

  • 1x Waterproof Adhesive Seal

  • Precision Screwdriver Set

  • Plastic Pry Tools

  • Suction Handle

  • Tweezers

  • Spudger Tool

  • Step-by-Step Instruction Guide

 Compatible Models:

  • Samsung Galaxy Watch Active 2 44mm (SM-R820)

  • Samsung Galaxy Watch Active 2 44mm LTE (SM-R825)

  • All regional variants of above models

 Technical Specifications:

  • Battery Model: EB-BR820ABY

  • Samsung P/N: GH43-04966A

  • Capacity: 340mAh

  • Voltage: 3.85V

  • Type: Li-ion

  • Watch Size: 44mm only

  • Certification: CE/RoHS compliant

 Important Notes:

  • For 44mm models only (not compatible with 40mm)

  • Professional installation recommended

  • Water resistance requires proper installation

  • Test all functions after replacement

  • Dispose of old battery properly

 Installation Requirements:

  • Technical skill recommended

  • Clean, static-free workspace

  • Patience and careful handling

  • Follow instructions precisely

  • Test waterproofing after repair

 Frequently Asked Questions:

Q: Is this an original Samsung battery?
A: Yes, this is a genuine EB-BR820ABY battery (GH43-04966A) that meets Samsung’s original specifications.

Q: Will waterproofing be maintained after replacement?
A: Yes, when installed correctly using the included adhesive seal, water resistance is maintained.

Q: How difficult is the installation?
A: Watch repair requires technical skill. We recommend watching tutorial videos before attempting.

Q: What is the battery capacity?
A: This is a 340mAh battery, matching the original specification for Watch Active 2 44mm models.

 Battery Performance:

  • Restores original battery life

  • Supports wireless charging

  • Maintains health monitoring

  • Compatible with all features

  • Stable power delivery

 Why Choose Our Kit?

  • Genuine battery performance

  • Complete tool set included

  • Waterproof sealing materials

  • Detailed instructions

  • Quality guaranteed

  • Cost-effective solution

 Safety Precautions:

  • Power off watch before repair

  • Handle battery with care

  • Avoid short circuits

  • Use proper tools

  • Dispose responsibly

 Ready to Restore Your Watch?
Get your Watch Active 2 back to all-day battery life with our complete repair solution!

 Click Add to Cart for Complete Kit!
 Fast Shipping • 30-Day Returns • 12-Month Warranty

Battery Capacity

1.27Wh

Voltage

3.85V

Model No

EB-BR820ABY

Warranty

12 Months

Compatible Samsung Part Numbers

EB-BR820ABY
GH43-04966A

Compatible Samsung Watch Models

GALAXY WATCH ACTIVE 2 44MM
SM-R825U
SM-R82
WATCH ACTIVE 2 44MM
SM-R825 44MM

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Q1: Is this battery compatible with my Samsung Watch Active 2?
A: Yes, this replacement battery kit is specifically designed for the Samsung Galaxy Watch Active 2 (44mm version) with model numbers SM-R820 and SM-R825. It is a direct replacement for the original battery (model: EB-BR820ABY / GH43-04966A) and comes with all necessary tools for installation.

Q2: What is the battery capacity and will it improve my watch’s performance?
A: This 247mAh lithium-ion battery matches the original Samsung specifications and will:

  • Restore original battery life (up to 60 hours typical use)

  • Provide consistent power delivery

  • Eliminate random shutdowns

  • Improve overall watch performance

  • Maintain stable voltage output

Q3: What is included in the complete kit?
A: This professional repair kit includes:

  • High-quality 247mAh battery (compatible with EB-BR820ABY)

  • Precision screwdriver set (including Y000 tri-point)

  • Plastic prying tools and spudgers

  • Suction handle for display removal

  • Replacement adhesive for water resistance

  • Tweezers and opening picks

  • Step-by-step illustrated guide

Q4: How difficult is the battery replacement process?
A: Replacing the Watch Active 2 battery is moderately challenging due to:

  • Small, delicate components

  • Water-resistant sealing

  • Glued display assembly

  • Tiny connectors and screws

However, our comprehensive kit includes all necessary tools and instructions. We recommend watching online tutorials and working slowly.

Q5: Will my watch maintain water resistance after replacement?
A: Yes, when properly reassembled using the included replacement adhesive. The kit includes high-quality adhesive strips specifically designed to restore the IP68 water resistance rating. Proper installation is crucial for maintaining water protection.

Q6: Is this an original Samsung battery?
A: This is a high-quality compatible battery manufactured to meet or exceed OEM specifications. It features:

  • Same 247mAh capacity as original

  • Identical physical dimensions and connector

  • Built-in safety protections

  • CE/RoHS certification

  • 12-month warranty

Q7: What safety features does the battery include?
A: This battery features multiple protection systems:

  • Overcharge/over-discharge protection

  • Short circuit prevention

  • Temperature monitoring

  • Voltage regulation

  • CE/RoHS certified for safety compliance

  • UL certification standards

Q8: How do I verify my watch model and compatibility?
A: Confirm your watch model by:

  1. Checking Settings > About Device > Model Number

  2. Looking at the engraved text on the back of your watch

  3. Verifying the 44mm size (not 40mm version)

  4. Matching model numbers SM-R820 or SM-R825

Q9: What is the expected battery life after replacement?
A: After installation, you can expect:

  • 24-36 hours with typical use

  • 12-18 hours with always-on display

  • 5-7 hours with continuous GPS tracking

  • Overnight sleep tracking capability

  • Performance matching original specifications

Disclaimer:
All batteries sold on replacementbatterymall.com are replacement parts. replacementbatterymall.com doesn't affiliate with any of the original manufacturers. Any registered trademarks or model names listed above are identified as purposes of showing compatibility only.
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