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battery not charging, the battery is good, the charger is good and it power the macbook. what can be wrong? is it something to do with the charging circuit and what it ?
Possibly a bad battery connector. Here’s how to change it: MacBook Core 2 Duo Battery Connector Replacement According to if your’s is an energy saver, here’s the part: MacBook Battery Connector/Sleep Sensor (Energy Star) Be sure to check the exact model number before buying.
Maybe the charge circuit is non-functional. Get/make a new one. -Me-