Chosen Solution

Hello! Needing help with this Mid 2009, 17” Macbook Pro that always shows “100% Charged” and shows a green light on the charger (sometimes briefly flashes to 0%) even after 2 iFixit battery replacements. It immediately shuts down when it gets unplugged and won’t function as a laptop. If an SMC reset is done, this issue (dying when unplugged) will temporarily go away, but return once it’s powered on/off several times. I’m including a photo from coconutBattery that is showing yet another issue: 32,768 Battery Cycles (this number also is viewable from the “battery status” section of the MacBook’s settings). 32,768 also is the same amount of mAh that this battery holds on a full charge! Not sure what that means?!?!

I appreciate y’all’s help with this, thank you. Euell @Mayer

I think Louis rossman on YouTube fixed this. Can’t remember exactly but believe it was a resistor that broke/poor quality, basically severing computer connection to the battery

As per our phone conversation, let me know the results of the PRAM reset. 32768 is the maximum value for a 16-bit signed integer. Try disconnecting the battery, do the SMC reset then connect the battery and re-run Coconut Battery.