A:AnswerSounds like it needs to be charged. I would let it charge for a few hours or until the light turns green (I believe it is red when charging, but I would consult your devices instructions manual to confirm). Especially if it is being used for the first time, battery powered devices should be given a full charge.
A:AnswerThis item is rechargeable. The battery is contained in sealed within the vacuum you cannot replace it. The filter it's also reusable. You can clean the filter when you empty the debris chamber.