Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Really delivers close to 2700mAh

The BC-900 recharger indicates that the batteries delivers nearly 2700mAh. This is far better than all of the other batteries that I have bought.I bought 4 packs for my Nikon flash units and it seems that the flash unit is ready for another flash much quicker than other batteries.Buy the BC-900 recharger when the price is about $39. It really is worth it.