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

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