New Genuine Battery for Acer TravelMate P645 M P645 S P645 V P648 M P658 M X483 X483G AP12A3i AP12A4i 11.1V 4850mAh|battery for acer|battery aceracer battery - AliExpress
KONKIN BOO Compatible AC Adapter Battery Charger Replacement for Acer TravelMate P645-M P645-MG P645-V P645-VG - Walmart.com
AP12A3i Battery For Acer Aspire M3 M5 M3-581TG M5-481TG TravelMate P645 X483 USA | eBay
Acer Travelmate P645-S series battery reset may resolve no boot issues - Acer Community