Instruct: Classify the given Amazon review into positive or negative sentiment.
Query: ripped off

The person who sold this product put a cell phone charger in the box, to make it look like it had a charger, so there was no way to charge the battery until i spent more money for a charger. i felt i paid top dollar for a used product that was never used(haha on me)Hopefully the battery will still charge so i dont have to spend more money on a new battery.We have friends with the units that love them thats why i wanted this product that is no longer available new.If i have to buy a new battery to, i will have spent as much money on the used unit as a new current model available now.