There may be a number of possibilities,
- Solar generator with an outlet, This may be expensive and might not work in all places.
- Solar bulbs with auto on/off for night. An example is here https://www.amazon.com/dp/B08SBVC8HG or similar items on amazon.
We have not tested them so we don’t know how well they work or how bright they are, - Battery powered bulbs. (seems they don’t usually last long so it is not ideal for the whole Chanukah).
Please comment below if any of these options worked for you or if you have any other ideas which might work.
Thank you!