Difficulty

Easy

Steps

6

Time Required

                          3 - 10 minutes

Sections

2

  • Disassembling of Wahl Lithium Ion Trimmer
  • 3 steps
  • Lithium Ion Battery Replacement
  • 3 steps

Flags

3

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  • BackWahl Lithium Ion Trimmer

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What you need

Step 1

              Disassembling of Wahl Lithium Ion Trimmer
  • Begin by removing the rubber grip along the handle.

Begin by removing the rubber grip along the handle.

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Step 2

  • Remove the screws from the top to take the metal piece and plastic part off.

Remove the screws from the top to take the metal piece and plastic part off.

Step 3

  • Pry open the plastic cover into two separate pieces. The plastic is very durable so don’t worry about breaking it upon prying it open.

Pry open the plastic cover into two separate pieces. The plastic is very durable so don’t worry about breaking it upon prying it open.

Step 4

              Lithium Ion Battery Replacement
  • Remove the chip set, motor and battery from the plastic body. This photo shows the motor and wires connecting it to the battery.

Remove the chip set, motor and battery from the plastic body. This photo shows the motor and wires connecting it to the battery.

Step 5

  • Remove the white plastic cover over the chip set allowing the battery to be taken off.

Remove the white plastic cover over the chip set allowing the battery to be taken off.

Step 6

  • Remove the Lithium Ion Battery and replace it with the new one that you purchased.

Remove the Lithium Ion Battery and replace it with the new one that you purchased.

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

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                                                                                      18 other people completed this guide.

Author

                                      with 5 other contributors 


                    nathan

Member since: 10/22/2013

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                                      6 Guides authored                  



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                       University of Maryland, Team 1-3, Shastany Fall 2013                        

                                                  Member of University of Maryland, Team 1-3, Shastany Fall 2013 



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                                            6 Guides authored

Dean Miller - May 23, 2014

Reply

Great guide but I made the mistake of buying just a standard 3.7v 750mAh battery to try and fit into the trimmer. The battery in the trimmer has metal terminals “stamped” to each end, so the terminals can’t be unsoldered from the battery. I was hoping to just unsolder the existing battery and then solder in the new one but no such luck. New trimmer for me now lol

Dean Lamborn - Oct 25, 2015

Reply

DM, I used a dremel tool with a thin grinding wheel to cut off the metal terminals just below the stamp point. After cutting off the metal terminals below the stamp point, approximately 1/4" inch of the terminals still remained which was just enough to connect the new battery to the remaining metal terminals with a small dab of solder. Little bit more work than I was anticipating but the trimmer works like new again. Found the 3.7v 750mAh battery at onlybatteries.com for $5 plus about $5.94 for shipping. Hope this helps for you DIYers!!

Dean Lamborn, 10/25/2015

David Drasser - Jun 23, 2016

Is it an 18650 size?

Adam Drews - May 17, 2022

Nope, it is a AA size 14500 lithium battery.

Ka - Sep 24, 2016

Reply

To Nathan, DM and DL, I was with Nathan until I read about soldering a dremel (which i I own) and cutting off the metal terminals below the stamp point. Can any of you fine ‘fixers’ show pictures along with the soldering, dremel, cutting, terminals description? I want my Chromado to work like new too! Thanks in advance, Ka