How does the AI repair cost calculator work?

Upload a photo of your broken device. Our AI analyzes the damage using GPT-4 Vision and provides instant repair cost estimates based on 10,000+ repair guides from iFixit. You also see environmental impact (CO₂ saved) vs buying new.

Is HowMuchToFix really free?

Yes! Free tier includes 3 estimates per month. Pro users get unlimited estimates, priority AI analysis, and advanced features. No credit card required to start.

How accurate are the repair cost estimates?

Our AI achieves 92% accuracy by analyzing your photo, comparing against 10,000+ verified repair guides, and factoring in local market prices. Estimates include parts + labor costs.

What can I get repair estimates for?

Anything that needs fixing! We support 13+ categories including phones (iPhone, Samsung, etc.), laptops (MacBook, Dell, HP), cars (Toyota, Honda, Tesla), TVs (Samsung, LG, Sony), appliances (refrigerators, washers, dryers), game consoles, smartwatches, medical devices, and more. Access to 30,000+ repair guides covering everything from cracked screens to broken transmissions.

How much CO₂ do I save by repairing vs replacing?

It varies by item. For example: repairing an iPhone screen saves ~62kg CO₂ (89% reduction) vs buying new, repairing a car part can save 5,500+ kg CO₂, and fixing a TV saves ~400kg CO₂. Our calculator shows exact savings for your specific item and repair type, with real-world equivalents like trees planted.

Do I need to create an account?

No account needed for free tier (3 estimates/month). Create a free account to track your repair history, carbon savings, earn badges, and upgrade to Pro for unlimited estimates.

Huawei Watch 3 Battery Replacement: Cost Guide & Carbon Impact [2025]

Name: HowMuchToFix AI Repair Estimator
Brand: HowMuchToFix
Rating: 4.9 (1247 reviews)

Battery Replacement is one of the most common repairs for Huawei Watch 3. This repair involves replacing the damaged power component with a new or refurbished part. The process typically takes 30 min - 1 hour and requires moderate skill level.

🔧 Required Tools

🔩 Replacement Parts

What You'll Need

Replacement power part (OEM or aftermarket)
Precision screwdriver set (Phillips #000 or pentalobe)
Opening tools (plastic spudger, suction cup)
Adhesive strips or glue
Clean workspace with good lighting

Step-by-Step Process

Step 1: Remove both wrist bands

User your fingernail to pull the small metal pin on each wrist band towards the inside. This unlocks the wrist bands from the body of the watch.

Remove the wrist bands.

Step 2: Remove the four Torx screws

Use a Torx T3 screwdriver to remove the four 4 mm-long screws on the back of the Huawei Watch 3.

Step 3: Pry the back cover open

Locate the small notch at the top of the back cover.

Use a Jimmy to pry open the back cover by twisting it.

Using a sharp metal tool might cause cosmetic damage to the watch case. Covering the tool with a nitril glove can minimize the damage.

Don’t remove the back cover just yet. It is still connected to the motherboard with a flex cable.

Step 4: Loosen the back cover gasket

Insert the tip of an opening pick between the back cover and the case.

Slide the opening pick around the back cover to loosen the gasket from the back cover.

Step 5: Lift the back cover

There is a ribbon cable running from the back cover to the motherboard.

Use an opening pick or your fingers to carefully lift the back cover open.

Flip the back cover open away from the crown.

You can prop up the back cover to minimize the stress on the ribbon cable.

Step 6: Remove the battery bracket screw

Use a Phillips screwdriver to remove the 2.9 mm-long screw from the battery bracket.

Step 7: Remove the battery bracket

User a pair of [product|IF145-020|tweezers] to lift the top of the battery bracket free from its screw socket.

Unhook the opposite side of the bracket and remove it.

Step 8: Unplug the battery connector

Use the tip of a spudger to pry up and disconnect the battery connector.

The battery connector is the smallest of the three connectors.

Step 9: Remove the sensor bracket screw

Use a Phillips screwdriver to remove the 2.9 mm-long screw from the sensor bracket.

Step 10: Remove the sensor bracket

User a pair of tweezers to move the top of the sensor bracket free from a small latch near the case by rotating in inwards.

Unhook the opposite side of the bracket and remove it.

Step 11: Unplug the sensor connector

Use the tip of a spudger to pry up and disconnect the sensor connector.

Remove the back cover.

Step 12: Disconnect the home button

Use the tip of a spudger to disconnect the home button cable.

Step 13: Lift the battery

Insert the tip of an opening pick between the battery and the plastic frame opposite to the cables.

Use the opening pick to lift the battery up.

The battery is held down by mild adhesive.

Step 14: Remove the battery

Grab the battery with your fingers and remove it.

For reassembly you may need to apply some adhesive to the new battery if it does not come equipped with it.

📖 Repair guide provided by iFixit - The free repair manual. Licensed under CC BY-NC-SA 3.0.

iFixit Difficulty: Moderate | Time: NaNh NaNm

DIY vs Professional Repair

✋ DIY Repair

✅ Lower cost (parts only: $30-$120)
✅ Learn new skills
❌ Risk of further damage
❌ No warranty
❌ Requires tools and time

🔧 Professional Repair

✅ Expert installation
✅ Warranty included
✅ Faster turnaround
❌ Higher cost ($50-$200)
❌ Need to find reputable shop

Environmental Impact

By choosing to repair your Huawei Watch 3 instead of replacing it, you're preventing approximately 31 kg of CO₂ emissions. Manufacturing a new Huawei Watch 3 generates 36 kg of CO₂, while this repair only produces about 5 kg of CO₂. That's a 86% reduction in carbon emissions!

Huawei Watch 3 Battery Replacement

🌍 Share Your Environmental Impact

💰 Cost Breakdown

🔧 Repair Overview