Difficulty

Very easy

Steps

5

Time Required

                          1 minute

Sections

1

  • Battery
  • 5 steps

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What you need

Step 1

              Battery
  • Using your thumbnail or a coin, push in the slotted knob on the battery and turn it counterclockwise to unlock the battery.

Using your thumbnail or a coin, push in the slotted knob on the battery and turn it counterclockwise to unlock the battery.

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Step 2

  • Carefully pull the battery away from the back of the system.

Carefully pull the battery away from the back of the system.

Step 3

  • On the new battery, make sure the slot in the knob on the battery is in a horizontal position.
  • Insert the battery into the multi-pin connector.

On the new battery, make sure the slot in the knob on the battery is in a horizontal position.

Insert the battery into the multi-pin connector.

Step 4

  • Push in the slotted knob and turn it clockwise until the slot is vertical. This locks the battery in place.

Push in the slotted knob and turn it clockwise until the slot is vertical. This locks the battery in place.

Step 5

  • Connect the power supply and charge the battery.

Connect the power supply and charge the battery.

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

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                                                                                      3 other people completed this guide.

Author

                                      with 4 other contributors 


                    Evan Low

Member since: 04/14/2015

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Team

                       Cal Poly, Team 4-1, Maness Spring 2015                        

                                                  Member of Cal Poly, Team 4-1, Maness Spring 2015 



                    CPSU-MANESS-S15S4G1                     


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                                            5 Guides authored

Joseph Gorse - Jan 23, 2018

Reply

I think it would be cool to show a Teardown of the Bose SoundDock Portable v2 Battery.

adam-marsh - May 18, 2018

I agree. These batteries seem prone to failure and I’d like to replace the cells or whatever it is that is the failure point.

Stuart Friedman - Apr 23, 2018

Reply

Thanks for your easy and concise help.

Affeke Nommu - Apr 6, 2019

Reply

Battery is repairable.

There are 4 screws under plastic plugs under sticker. They are one way heads :( use force or a drill.

Locking thingy removal - push the cross pin through - pliers or vise grips to grab and pull out completely. Keep an eye on where spring went.

There may be a bit of glue or tape holding cover too.

4 x 18650 Li-ion cells in 2 banks at each side of the charging board which is held down by 5 screws. Some adhesive was used to hold the cells to the back.

Use meter to check. Mine had one cell at 0V so that was the culprit.

Remove any bad cells by cutting the glue about the temp sensors to carefully get them out of the way. Then cut the cell tags - careful not to short anything as there is charge about. I found it faster to cut tags but you could unglue all cells and lift the board and do that way. My replacement cell came from a Dell laptop pack. Glue the new battery in place (I used automotive trim tape as it was handy) and solder the new cell. Reglue temp sensors.

Reassemble with some new screws.

Enrique Francis - Jun 9, 2019

Hi. How do you push the cross pin through? I can’t