Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Doesn't last well

This battery worked for about 1.5 years and then stopped delivering power for very long,. It was NOT heavily used. Loses charge in storage conditions. For the money I recommend spending a bit more and getting into lithium ion. I bought a second drill because it included two of them for less than the batteries alone would have cost if purchased separately. Keep you eyes on sales that include lithium ion batteries with some other tool whether you need it or not. They are definitely the way to go.