Hand Held bidet (battery powered or manual) are better than TP, get you cleaner and take a LOT less storage space. Ladies can also use for mentral hygene when showers are in short supply. how to keep those batteries charged:
You can see my '"heap solar lights are battery chargers too" (AA and/or AAA) video here: https://www.youtube.com/watch?v=Yp8UUjVpiNo
here is an inexpensive solar battery charger for AA, AAA, C, D and 9 volt: https://www.youtube.com/watch?v=rMiofByG2qk&t=2s&pbjreload=10
and my original "how to make a bidet video here: https://www.youtube.com/watch?v=cde4L4tJf_M
you can find The Palm and Toto on Amazon or many other website, even HomeDepot is carrying some!