Newertech NewerTech NuPower Battery for MacBook Pro Retina 13-inch late 2012 to early 2013 NewerTech 76W NuPower Battery Replacement Kit For 13-inch MacBook Pro with Retina Display (Late 2012 to Early … MSRP: Was: Now: $103.23 (Inc. VAT) MSRP: Was: Now: $86.03 (Ex. VAT)