简介

Robotic vacuum batteries generally last 2-3 years, depending on usage. Over time, you may notice that the battery holds less charge, requires more frequent recharging, or a decrease in cleaning performance. Use this guide to help replace your battery and restore your Lefant M210 robot vacuum to like-new performance.

Before you begin this repair, turn off the vacuum.

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1. 步骤 1 Brush
  Turn off the Lefant M210 and disconnect it from the charging dock.
  
  Flip the unit over so the bottom faces upward.
  
  Locate the circular brush assemblies on the left and right sides of the underside.
  
  Place the unit on a clean, flat surface to prevent scratching.
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2. 步骤 2
  Insert the iFixit Opening Tool (or similar pry tool) under the circular edge of the brush assembly.
  
  Apply gentle downward pressure on the opposite end of the tool to lever the brush component out of its housing.
  
  Remove the brush assembly completely and set it aside.
  
  If replacing both brush assemblies, repeat this process on the other side.
  
  Avoid using excessive force, which may damage the mounting clips.
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3. 步骤 3
  Position the new brush assembly above the square mounting peg.
  
  Align the square cavity on the bottom of the brush with the corresponding square peg in the vacuum housing.
  
  Press down firmly on the brush assembly until you hear or feel it click into place.
  
  Gently tug on the brush to verify it is securely seated.
  
  The brush should sit flush with the housing and not move when pulled gently.
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1. 步骤 4 Wheel Assembly
  Use a Phillips screwdriver to remove four screws near each wheel.
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2. 步骤 5
  Remove the plastic cover next to each wheel.
  
  Grip both sides of the wheel and pull upwards.
  
  The wheels of the device require some force to remove.
  
  Don't pull the wheels too hard as they are attached to cables and may be damaged if yanked.
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3. 步骤 6
  Hold the wheel up and detach the connector to release it from the device.
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1. 步骤 7 Dustbin Filters
  Open the dustbin compartment.
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2. 步骤 8
  With your hands, gently pull the dustbin to remove it from its compartment.
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3. 步骤 9
  With your hands, pull off the filter compartment from the dustbin.
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4. 步骤 10
  Pull off the filter from the filter compartment.
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1. 步骤 11 Battery
  Use a Phillips #1 screwdriver to remove the six screws around the bottom edge of the device.
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2. 步骤 12
  Carefully flip the vacuum back right-side-up, making sure you're holding it all together so that the bottom portion doesn't fall out.
  
  Rotate the vacuum so that the Lefant logo is facing you.
  
  Carefully lift the white cover of the vacuum, opening it like a laptop, from front to back.
  
  Rest the open cover something stable, like a wall.
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3. 步骤 13
  Use a Phillips #1 screwdriver to remove the three screws securing the motherboard to the device.
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4. 步骤 14
  Carefully lift the motherboard, ensuring you don't rip any cables that are connected to it.
  
  The battery should be under the motherboard.
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5. 步骤 15
  Push the two retaining clips away from the battery while pulling the battery up from the tabs attached to it to free it.
  
  Retaining clips
  
  Battery tabs
  
  Work on freeing one side at a time so that it's easier to free the battery.
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6. 步骤 16
  When the battery is free from it's housing, lift it out completely using its pull tabs.
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7. 步骤 17
  Locate the battery connection wire and carefully pull apart the connection.
  
  Pinch the motherboard's wire connector and pull the connection apart.
  
  The connection is secured by a clothespin-like mechanism.
  
  When you replace your battery with a new one, allow the robot vacuum to fully charge for a few hours before using it again.
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结论

To reassemble your device, follow these instructions in reverse order.

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作者

与1其他贡献者

Darien Amador

于09/09/24注册

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团队

CSU Los Angeles, Team 2-4, Kershman Fall 2024 CSU Los Angeles, Team 2-4, Kershman Fall 2024 的会员

CSULA-KERSHMAN-F24S2G4

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创作了13篇指南

5指南评论

Great guide! Any knowledge on how or why mine beeps twice even when it is on the ground?

Jonathan Manuel - 2025年4月13日回复分享

Thank you for the helpful guide, however, after replacing my battery, it definitely has a much shorter lifespan, and it is unable to find the charger before it dies.

Tee Cee - 2025年8月19日回复分享

I thought it was because I needed a new battery. My stops about 1min after start. When I put it back to the charger it indicates battery charged by showing the blue light. Still after 1 min of operation it dies. That's the reason why i want to replace the battery. Is that what yours is doing too even after replacing the battery?

Zed - 2025年9月15日回复分享

Thanks for the guide.
As for those that stumble upon this, mind that ******if you only want to access the battery, steps 10 to 16 are the only on you need.

Sylvain “Neoblasphem” Mourot - 2025年8月24日回复分享

Bought new batt, installed it and same problem. Red light, not charging. I guess it’s dead for good.

Kelly In Cali - 2026年5月16日回复分享

Lefant M210 Battery Replacement

简介

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