Max Lumi 2 battery replacement

richard.black · 02-02-2025, 01:24 AM

Hey everyone!

I need to replace the batteries on my Max Lumi 2.
Can someone explain to me which battery models are compatible and what configurations are possible?

Thanks.

richard.black · 02-02-2025, 01:33 AM

Forgot to rotate the photo

Renate · 02-02-2025, 10:51 PM

Most Onyx seem to use thin (thinner than common) batteries, 2.5 mm.
Battery numbers are only dimensions. CLP2575147 = 2.5 mm x 75 mm x 147 mm.
Loose wires like that are dangerous. They cheaped out even though there is a connector on the PCB.
The white wire is probably a 10 k NTC thermistor to the black wire.
When you replace the battery double-check that the temperature reads something sane in a utility (like my UsbMode.apk in the sig).

02-02-2025, 01:24 AM	#1
richard.black Connoisseur Posts: 86 Karma: 10 Join Date: Sep 2024 Device: Max Lumi 2	Max Lumi 2 battery replacement Hey everyone! I need to replace the batteries on my Max Lumi 2. Can someone explain to me which battery models are compatible and what configurations are possible? Thanks. Attached Thumbnails Last edited by richard.black; 02-02-2025 at 01:28 AM.

02-02-2025, 01:33 AM	#2
richard.black Connoisseur Posts: 86 Karma: 10 Join Date: Sep 2024 Device: Max Lumi 2	Forgot to rotate the photo Attached Thumbnails

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02-02-2025, 10:51 PM	#3
Renate Onyx-maniac Posts: 3,918 Karma: 17236157 Join Date: Feb 2012 Device: Nook NST, Glow2, 3, 4, '21, Kobo Aura2, Poke3, Poke5, Go6	Most Onyx seem to use thin (thinner than common) batteries, 2.5 mm. Battery numbers are only dimensions. CLP2575147 = 2.5 mm x 75 mm x 147 mm. Loose wires like that are dangerous. They cheaped out even though there is a connector on the PCB. The white wire is probably a 10 k NTC thermistor to the black wire. When you replace the battery double-check that the temperature reads something sane in a utility (like my UsbMode.apk in the sig).

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