Your right. I bought mine last summer and I couldn't get the hand crank to charge the battery in the store so I had them swap out the rechargable battery and everything has been wonderful since. I don't think that you want to leave that battery connected during prolonged periods of no usage either.
"Freedom ain't Free" Ted Nugent at the House of Blues in Orlando.
"Both oligarch and tyrant mistrust the people, and therefore deprive them of arms." - Aristotle,