This battery charger is a suitable replacement, should you misplace your original charger. It is compatible with all Kärcher Window Vacs with the exception of the WV 6.
Kärcher WV 50 / KB 5 Charger
Suitable For Karcher Karcher WV 1/2/5/50/55/60/70/75 Glass Vacuum Cleaner
Micro Traders 2pcs Window Vacuum Cleaner USB Charging Cables Replacement Compatible with Karcher WV1/ WV1 Plus/ WV2/ WV5/ WV5 Premium/ Wv60 USB
Karcher WV 5 Plus N Cordless Window Vacuum - Screwfix
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Karcher Window Cleaner Charger
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Portable Charger For Karcher Wv50 Wv55 Wv60 Wv70 Wv75 & Wv2 Wv5 Window Vac Plug Battery Charger-Eu Plug
WV 5 Plus N Kärcher Ireland
WV5 Plus Kärcher UK
KV 4 Vibrapad
5.5V Charger Fit for Karcher Window Vac Cleaner WV1, WV2, WV5, WV55, WV60, WV70, WV75