Oontz Angle 3 Ultra Battery Replacement Repair Guide

Difficulty

Moderate

Steps

Time Required

                          10 - 20 minutes

Sections

Back Panel
4 steps
Battery
4 steps

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Introduction

What you need

Step 1

              Back Panel

Remove the two black rubber sheaths around the edges of the speaker.
Under the symbol-marked sheath there is a white rubber covering for the buttons. Peel this away to reveal the panel underneath.
On two corners of its triangular face there is a small divot, which allows you to use your fingernails or a pair of tweezers to grip and peel away the covering.

Remove the two black rubber sheaths around the edges of the speaker.

Under the symbol-marked sheath there is a white rubber covering for the buttons. Peel this away to reveal the panel underneath.

On two corners of its triangular face there is a small divot, which allows you to use your fingernails or a pair of tweezers to grip and peel away the covering.

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Step 2

Use a JIS #0 screwdriver to remove the six screws to expose the motherboard.

Use a JIS #0 screwdriver to remove the six screws to expose the motherboard.

Step 3

Using a pair of tweezers, pinch and pull the rubber fillings obstructing the screws.

Using a pair of tweezers, pinch and pull the rubber fillings obstructing the screws.

Step 4

Using a JIS #0 screwdriver, remove the 6 screws holding the backplate in.
Remove the back panel off of the device.

Using a JIS #0 screwdriver, remove the 6 screws holding the backplate in.

Remove the back panel off of the device.

Step 5

              Battery

Make sure that the device is OFF before operating here, as an electrical spark may occur if the device is operating.
Once the motherboard is exposed after disassembly, follow the thick black and red cords from the battery pack to their attachments to the board.
Use the soldering iron to melt the positive and negative connections.
For more information on soldering and desoldering connections, please read the How to Solder and Desolder Connections Guide.

Make sure that the device is OFF before operating here, as an electrical spark may occur if the device is operating.

Once the motherboard is exposed after disassembly, follow the thick black and red cords from the battery pack to their attachments to the board.

Use the soldering iron to melt the positive and negative connections.

For more information on soldering and desoldering connections, please read the How to Solder and Desolder Connections Guide.

Step 6

After you have disconnected the battery from the motherboard, use a box cutter or exacto knife to carefully cut the blue wrapping around the battery.
Aligning the edge of the knife tangent to the battery works best for avoiding a cut to the electrolyte itself.
Please take extreme caution with this step. You may remove the blue tape with another method but if you do use an exacto knife, please do not cut into the battery.

After you have disconnected the battery from the motherboard, use a box cutter or exacto knife to carefully cut the blue wrapping around the battery.

Aligning the edge of the knife tangent to the battery works best for avoiding a cut to the electrolyte itself.

Please take extreme caution with this step. You may remove the blue tape with another method but if you do use an exacto knife, please do not cut into the battery.

Step 7

Once cut, it should require no more than your fingers to peel away the blue wrapping around the battery, and expose the terminal.

Once cut, it should require no more than your fingers to peel away the blue wrapping around the battery, and expose the terminal.

Step 8

Finally, use the soldering Iron on the two terminals of the battery connection to disconnect it from the wire.
To reconnect the battery, solder the two terminal connections, or use the replacement battery’s wires to reattach to the motherboard

Finally, use the soldering Iron on the two terminals of the battery connection to disconnect it from the wire.

To reconnect the battery, solder the two terminal connections, or use the replacement battery’s wires to reattach to the motherboard

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

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Author

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                    Noah Plaza

Member since: 01/16/2020

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Team

                       Embry-Riddle Aeronautical University, Team S6-G9, Rauch Spring 2020                        

                                                  Member of Embry-Riddle Aeronautical University, Team S6-G9, Rauch Spring 2020 



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                                            6 Guides authored

Alex - Mar 5, 2021

Could you please provide a source / part # for the replacement battery?

Is it just two 18650 style 3.7 Volt lithium batteries in series or parallel?

Alex - Mar 6, 2021

Was able to narrow down the issue to the board using a known good 18650 battery. Also have seen a couple forum posts saying it’s the board that goes bad on some of these units. Now I’m starting to wonder if it’s just a bad capacitor or something replaceable with a standard soldering iron…

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Introduction#

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Needs Better Images

Introduction

What you need

Team