Meterk MX-055060A Vacuum 5.5V 0.6A Karcher WV50 WV60 WV70 WV75 Power Supply Replacement for Karchar Windows Vac - Walmart.com
User manual Kärcher WV 75 Plus (English - 152 pages)
5.5v Window Vacuum Power Supply Adapter Battery Charger For Karcher Wv Series Cleaner Wv1 Wv2 Wv70 Plus Wv75 Plus Wv55r Adapter - Chargers - AliExpress
Portable Charger For Karcher Wv50 Wv55 Wv60 Wv70 Wv75 & Wv2 Wv5 Window Vac U4U1 | eBay