something keeps draining the battery?

It is common for the A/C clutch relay to stick on and drain the battery, I would remove the relay to see if the drain stops. Please check out this guide as well:

https://www.2carpros.com/articles/how-to-check-an-electrical-relay-and-wiring-control-circuit

Also, please check out this guide and I have included the location of the relay. Check out the images (below). Please let us know how it goes.

We checked relay it is fine, what else can we try?

I would load test the battery, the jolt could have caused it to go bad. here is a guide to help you do so:

https://www.2carpros.com/articles/car-battery-load-test

Please go over this guide and get back to us.