Brand new Viper V4 Pro not charging past 67-69& | Razer Insider
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Brand new Viper V4 Pro not charging past 67-69&

  • July 6, 2026
  • 1 reply
  • 259 views

Hello,
I received a new Viper V4 Pro today, and the mouse has been charging all day, it hasn’t gotten past 69%.  I tried to manually reset the mouse (turning it off then holding LMB+RMB+MMB) then when it I turned it back on it maxed out at 67%.  The V3 Pro I was replacing did not have this issue it always showed the appropriate charge level.

I have rebooted a couple times since then, and synapse shows the mouse at 67%.  I’ve even changed USB Ports but nothing has helped

What can I do to address this?  

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1 Reply

Razer.Aero
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Hi Chimpwnzee,

I’m sorry to hear about the charging issue with your Razer Viper V4 Pro. Please make sure the mouse firmware. is up to date. Test the mouse on a different system without Synapse if possible, and ensure it is plugged directly into a PC USB port and not through a USB hub. If the problem persists, please send me a PM with the device serial number and proof of purchase so we can check this further with the team. All the best!

 

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