Amazon.com: Electric Shaver 4.3V Adapter Power-Supply Cord for Philips Norelco oneblade Charger QP2520 Compatible with QP2520/90 QP2520/70 QP2520/72 Electric Shaver Power Supply Charging Cord : Beauty & Personal Care
USB Power Charger Adapter Cord f Philips Norelco Multigroom MG3721 MG3730 MG3731 | eBay
BENSN 4.3V Charger for Phillips QP2520, Replace One Blade Charger Original P/ N: A00390 All-in-One Grooming Trimmer Electric Shaver Power Supply Charging Cord - Walmart.com
USB Power Charger Adapter Cord f Philips Norelco Multigroom MG3721 MG3730 MG3731 | eBay
A00390 4.3V EU US Plug AC Power Adapter Charger for Philips Electric Shaver MG3730 QG3341 MG5730 QG3338 MG5735 QG3352 MG3758 - AliExpress
Philips multigroom won't charge (info in comment) : r/fixit
Philips Multigrooming Trimmer MG5730 Original Charger – Aalap Inc.
Repair Philips Trimmer by making it USB powered - YouTube
BENSN 4.3V Charger for Phillips QP2520, Replace One Blade Charger Original P/ N: A00390 All-in-One Grooming Trimmer Electric Shaver Power Supply Charging Cord - Walmart.com