HTC Vive Focus 3 Battery Connection Re-solder Replacement
Last updated on Sep 26, 2026
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Community-Contributed Guide
An awesome member of our community made this guide. It was not created by iFixit staff.
Introduction
Go to step 1 ↓The HTC Vive Focus 3 features a battery pack that is removeable for charging and/or swapping with a spare.
On both of the batteries of my daughters headset, after about a year of extensive use, both batteries experienced charging issues, where it would require the charging cable to be carefully positioning to enable the batteries to charge. After investigation it became apparent that the solder joint had broken (on both) and required re-soldering.
What you need
Tools
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Assemble required items from the Essential Electronics Kit
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Phillits 00 bit
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Guitar pick
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Solder
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The 1.5mm bevel worked best
Ask FixBot
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Use the picks to open the larger edge first
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Then start on the corner, this can be quite tricky
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Get the end fully unlatched
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Remove the 4 x phillips head screws show above
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The battery and board can then be removed from the plastic case
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You can then confirm the solder joint issue
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Just sitting being plugged in, no lights illuminate
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With gentle squeezing pressure on the charging port the charge indication lights illuminate
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Additionally inspect the solder joint an identify if there is a break in the joint
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Remove the three screws to allow the PCB to move to give additional space to resolder the joint
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2 x picks help seperate and hold the space open for soldering
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Using the flux, heat the joint back up.
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I found that the highest setting on the soldering iron didn't reflow the existing solder so I added some additional solder
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Using the chem pen clean with isopropyl alcohol
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Test to see if it charges without external intervention
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Re-assemble noting there is a small and large notch at the top and bottom to aid alignment-continued next step
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Re-assemble noting there is a small and large notch at the top and bottom to aid alignment
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Also noting to position of the battery connector into the HTC Vive headset
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To reassemble your device, follow these instructions in reverse order.
