Replacement Wall Charger for WV 1, WV 10, WV 50, WV 55, WV60 and KB 5 | Kärcher
Amazon.com: UpBright 4.8V-5.8V AC/DC Adapter Compatible with Karcher K 50 K 52 K 55 Pet K 65 Plus K50 K52 K55 K55 K55 K65 Cordless Sweeper Vacuum Cleaner Electric Broom 4.8V DC