Nest Hello Battery Replacement
Daniel Moore and 7 other contributors
Last updated on Aug 17, 2026
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Introduction
Go to step 1 ↓If your Nest Hello is losing charge faster than it used to, or refusing to power-on despite troubleshooting, this guide will help you access a faulty battery. The following steps will require the iFixit opening picks, Phillips #000 screwdriver, and tweezers. While removing the faceplate and casing from the device it is easy to damage the waterproofing O-Ring, so plan on replacing that as well.
What you need
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Insert the pick between the black faceplate and white casing of the Nest Hello.
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Pry the faceplate away from the device with the opening pick.
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Completely remove the faceplate from the device, do not be afraid to pull hard.
Ask FixBot
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Peel back the cover stickers and use the Phillips #000 screwdriver to remove the four screws.
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Insert opening pick between the white casing and the black internal circuitry and pry it out.
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Once the back casing is removed, disconnect the battery cable and remove the battery from the device.
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To reassemble your device, follow these instructions in reverse order.
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Team
Embry-Riddle Aeronautical University, Team S1-G7, Cromer Twal Spring 2020 Member of Embry-Riddle Aeronautical University, Team S1-G7, Cromer Twal Spring 2020
ERAU-CROMER TWAL-S20S1G7
4 Members
84 Guides authored
48 Guide Comments
Any recommendations as to where we can find a replacement battery? Model #, specs?
Flujoy 280mAh/3.7V Replacement Battery for Nest C1241290 Vido Doorbell Wired NC5100US Hello 1ICP7/17/26
About $16 from Amazon
What is the replacement battery?
Search Amazon for the following and you should find several choices:
Nest Hello NC5100US C1241290 Video Doorbell Wired
