LNOCCIY A1321 Laptop Battery for MacBook Pro 15 inch A1286 (mid 2009, mid 2010 Version) MC371LL/A 661-5211 020-6766-b - 12 Months Warranty

2010 15-inch MacBook Pro battery replacement begin by shutting down and flipping over the MacBook we'll need to remove the three long Phillips head screws first now remove the seven short Phillips head screws after removing these ten screws the rear panel cover should be free go ahead and remove the rear panel cover battery removal begin by removing the three tri wing screws securing the battery the screw all the way on the left is hidden behind the tape pull up and remove the battery out of its socket it's still connected to the logic board disconnected by prying it left to right with your fingernail battery installation people back the battery cable to give you some slack about two inches connect the battery to the logic board insert the battery into the socket now install the three tri-blend screws install the rear cover and install the three long Phillips head screws first as shown