Controller has no power what so ever

I bought a no-power joycon off of ebay to fix, but after trying a working rail and battery, and cleaning it with IPA, still absolutely nothing. No lights or anything.

crwdns2934089:0crwdne2934089:0 crwdns2934093:0crwdne2934093:0

crwdns2934109:0crwdne2934109:0

crwdns2889612:0crwdne2889612:0 0
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