Danger
Potentially Dangerous
Injury may result if this procedure is not followed properly. Use caution and follow all warnings.
Danger

Introduction

Use this guide to replace the rechargeable battery in the Philips Norelco 5801XL. The steps should be followed exactly as listed in the guide. Some soldering skills are required. Be sure to handle with care. For help with soldering: click here.

Using a T8 torx screwdriver, remove both 2mm T8 screws. Using a T8 torx screwdriver, remove both 2mm T8 screws.
  • Using a T8 torx screwdriver, remove both 2mm T8 screws.

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Using a plastic opening tool, separate the front housing from the back housing. Carefully pull the housing apart.
  • Using a plastic opening tool, separate the front housing from the back housing.

  • Carefully pull the housing apart.

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Remove the plastic bracket using a plastic opening tool. Pry from the inside of the bracket towards the outside of the housing to remove it. Pry from the inside of the bracket towards the outside of the housing to remove it.
  • Remove the plastic bracket using a plastic opening tool.

  • Pry from the inside of the bracket towards the outside of the housing to remove it.

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Remove the two T8 2mm Philips screws holding onto the bracket over the charge port.
  • Remove the two T8 2mm Philips screws holding onto the bracket over the charge port.

  • Remove the bracket. It will pull straight out.

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Push in the charge port using the plastic opening tool.
  • Push in the charge port using the plastic opening tool.

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Lift the circuit board upwards and fold it towards the head of the razor.
  • Lift the circuit board upwards and fold it towards the head of the razor.

  • Do not break the contacts connecting the board to the motor.

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Desolder the contacts where the battery connects to the circuit board. Straighten the battery contacts and pull them through the opposite side of the circuit board. Straighten the battery contacts and pull them through the opposite side of the circuit board.
  • Desolder the contacts where the battery connects to the circuit board.

  • Straighten the battery contacts and pull them through the opposite side of the circuit board.

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Conclusion

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

One other person completed this guide.

Ben Gibbs

Member since: 02/16/2016

325 Reputation

3 Guides authored

Team

IUPUI, Team 3-2, Harley Spring 2016 Member of IUPUI, Team 3-2, Harley Spring 2016

IUPUI-HARLEY-S16S3G2

4 Members

3 Guides authored

One Comment

The replacement battery I bought had contact strips that were too long and too wide for the slots on the circuit board, so I had to trim off about half the length and 1.5 mm of the width on each strip, but after that alteration, it worked fine.

Tom Hess - Reply

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