Instruct: Classify an Amazon review as either positive or negative.
Query: M.a.h., important.

The first reviewer is refferring to the mah. I don't know exactly what it stands for, but these batteries have 750. The best have 2500. That's over 3 times the lifetime before needing recharged. Save money with Rechargables by all means, but get good ones if they're the same price.And get a 15 minute charger :)