![Do the grime and markings on the battery terminals mean it's probably time to replace it or do they just need cleaning? Roomba is currently not taking a charge. Older Roomba 780. : Do the grime and markings on the battery terminals mean it's probably time to replace it or do they just need cleaning? Roomba is currently not taking a charge. Older Roomba 780. :](https://i.redd.it/iay545dkoyk51.jpg)
Do the grime and markings on the battery terminals mean it's probably time to replace it or do they just need cleaning? Roomba is currently not taking a charge. Older Roomba 780. :
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14.4V 3000mAh Replacement Irobot Roomba Battery for Irobot Roomba 500 550 560 780 Battery - China for Irobot Roomba 500 Battery, Rechargeable Battery | Made-in-China.com
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Kastar 2-Pack Battery Replacement for iRobot Roomba 545, iRobot Roomba 550, iRobot Roomba 551, iRobot Roomba 552, iRobot Roomba 560, iRobot Roomba 561, iRobot Roomba 562, iRobot Roomba 565C - Walmart.com
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