Does Bad Starter Drain Battery. Try and turn over the engine. A lawn mower should recharge the battery while the lawn mower is in use.

But if the starter is bad I would replace it before it leaves you stranded. Only if the solenoids contactors mechanically stick shut which should be obvious because it would be a very high current 50 A which would soon melt the battery cables and likely the starter itself. A bad starter actually sounds quite a lot like a dead battery you turn the key and all you hear is a click.
If you are experiencing a problem with your remote starting draining your battery there are several causes that your car may have.
Test the starter utilizing an amp gauge. It does this when it is waiting for a command from your remote fob. If you are experiencing a problem with your remote starting draining your battery there are several causes that your car may have. Test the starter utilizing an amp gauge.

