Difficulty
Easy
Steps
5
Time Required
5 minutes
Sections
1
- Battery
- 5 steps
Flags
0
BackBraun Series 7 790cc
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Introduction
What you need
Step 1
Battery
- Use a spudger to remove the rubber piece on the back of the razor.
Use a spudger to remove the rubber piece on the back of the razor.
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Step 2
- Use a Torx T8 to remove (4) 10 mm screws from housing.
Use a Torx T8 to remove (4) 10 mm screws from housing.
Step 3
- Remove the rear cover from the device.
Remove the rear cover from the device.
Step 4
- Remove the battery from the holster inside the device.
Remove the battery from the holster inside the device.
Step 5
- Replace the battery with a new 1300 mAh Sanyo (UR18500Y) battery.
- Be sure to insert the battery the correct way.
Replace the battery with a new 1300 mAh Sanyo (UR18500Y) battery.
Be sure to insert the battery the correct way.
To reassemble your device, follow these instructions in reverse order.
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21 other people completed this guide.
Author
with 4 other contributors
Alex Speer
Member since: 11/07/2017
619 Reputation
1 Guide authored
Badges:
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Team
IUPUI, Team S3-G6, Harley Fall 2017
Member of IUPUI, Team S3-G6, Harley Fall 2017
IUPUI-HARLEY-F17S3G6
3 Members
5 Guides authored
bruce Forsyth - Jun 10, 2018
Reply
Where do you buy the Battery?
Kirill Elagin - Sep 4, 2021
Chris - Oct 3, 2018
Reply
Any idea on how to remove/replace the drive unit? I bought a new one but the plastic backing is extremely hard to get off.
arcticassault - Oct 29, 2018
Reply
Thank you for the awesome tutorial Alex!
Thanks again for helping to save me a lot of trouble with this Alex… and avoid having to buy a new electric razor!
-jb-
jclemis - May 25, 2019
Reply
How do you reset the battery life indicator on the shaver after replacement?
