I mean, even a phone battery replacement is more than that... That's dirt cheap. I wouldn't expect anything with a rechargable battery in it to cost less than $30 or so, unless it was likely to burst into flames while plugged in.My criteria were great reception, acceptable sound, no crackling, static, noise, dropouts. This is a learning experience. NOW, AFAIK, my only lithium ion products are my various smartphones (none of which have such issues, evidently, they were made by Nokia, LG, Samsung), several cordless hand tools. I just bought some of those and among those are two which have built in LI batteries. I will evaluate those and be careful with them.