batteries

For years I have heard the praise from top members here on this site raving over the power of the Tenergy 10k mAh rechargeable batteries. I have teetered back and forth, always wanting them, but for the cost, I could always get a fairly nice radio! :-D In the back of my mind, I have always...

Hi everyone :clap: I have a JVC Boomblaster rv-nb70. In the manual, it says that you must remove the batteries when using the power cord. i'd just like to understand, why? can it cause problems on the long term if i plug the AC power cord while the batteries are still in the Boombox? (I'm...