Is a Philips oneblade battery replacement possible? - YouTube
Amazon.com: Philip Norelco OneBlade Pro Kit, Hybrid Electric Trimmer and Shaver with Charging Stand and Precision Comb, QP6520 + OneBlade Body Kit, 3 pieces, QP610, Black 4.0 Count : Beauty & Personal Care
PHILIPS NORELCO ONE BLADE 60 MINUTES RUN TIME REPLACEMENT BLADE BODY COMB | eBay
Philips Norelco OneBlade Servo Motor Replacement - iFixit Repair Guide