![Any idea what this PS1 memory card with a battery could be? Board is cut to fit inside memory card shell, so looks custom. Got it with a modchipped PS1, not sure Any idea what this PS1 memory card with a battery could be? Board is cut to fit inside memory card shell, so looks custom. Got it with a modchipped PS1, not sure](https://i.redd.it/rixvl6cfxd961.jpg)
Any idea what this PS1 memory card with a battery could be? Board is cut to fit inside memory card shell, so looks custom. Got it with a modchipped PS1, not sure
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PS2 MX4SIO TF Card Adapter and PS2 FMCB MX4SIO Archived Version Card for Sony Playstation 2 PS2 All Versions, PS2 Memory Card - Walmart.com
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