Razer Blade RZ09-0330 CMOS Battery Leak - Replacement must be rechargeable? | Razer Insider
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Dear kind people of this forum,

I am working with my Razer no prob but every time I removed it from power all BIOS entries were lost. So I thought, must be the CMOS battery. Yep. It is so dead, it even leaked, well it’s the most cheap you can get, good thing for a four-digits laptop:

Anyway: It seems to be very costly to replace the battery with a rechargeable type ML 1220 if you are even able to find one. Can one just replace it with a standard CR 1220?

Anyone got some experience or knowledge?

Thanks in advance :)

Over at the Framework Community I stumbled over the same problem in a thread from 2022. Same problem and sources for those batteries are drying out. Unfortunately the Razer Forum here does not like a link to another USEFUL community entry regarding the subject and will delete the entry. Now that’s complete…. But whatever. I now know - thanks to the community at Framework - that I cannot replace the ML1220 with a CR1220 and will have to source a ML1220 from somewhere for whatever price they want. Be aware that the battery _WILL_ leak, see photo, and check yours.

Link to helpful Framework CommunityForum deleted as Razer does not want helpful links on topics regarding laptop users of many different brands to be written but insists on being the only laptop producer having the described problem. Oh well… the times we live in.

Can’t replace ML1220 with a CR1220 because the laptop is going to try to charge it. Most laptops have some kind of failsafe for this situation, just like the battery chargers. 

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