The fuse in the CM-510/CM-530 prevents it from overloading,which can damage the circuit.
If the CM-510/CM-530 does not turn on with the battery but turns on when connected to the SMPS, replace your fuse.
※ The size of the fuse is shown below. Use a 125V/5A~10A fuse.
※ How to replace the fuse
Find the fuse on the back of the CM-510/CM-530.
Use a pincette to replace the fuse with a new one.