14.8V For HP 5330m Battery for HP ProBook FN04 HFTNN-DB0H 634818-271 QG644PA QK648AA Laptop Battery 4 cells Black _ - AliExpress Mobile
Amazon.com: DR. BATTERY HP ProBook 5330m Battery Compatible with HP FN04 635146-001 QK648AA 634848-271 5330M-LJ463UT 5330M-LG724EA FN04041 [14.8V/2800mAh/41Wh] : Electronics
HP ProBook 5330m Battery Replacement - iFixit Repair Guide