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3V lithium battery for memory backup...
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3V lithium battery for memory backup in the Roland MKS 20 digital piano module.
This 3V lithium battery is used to support the internal memory of the Roland MKS 20, allowing performance parameters and stored configurations to remain available when the unit is switched off.
Designed to replace the original battery fitted inside the MKS 20, it uses a Panasonic lithium cell and includes welded tabs for direct soldering onto the circuit board.
Battery replacement requires soldering and should be performed by a qualified technician.