#HFS215J01 compatible

5140197-66 Replacement Vacuum Charger Review: Reliable HFS115J10 HFS215J01 Spare Part?

The 5140197-66 replacement vacuum charger promises to bring dead HFS115J10 and HFS215J01 handheld vacuums back to life without the original charger premium. I spent two weeks testing one — here's what actually works and what doesn't.