Instruct: Classify a given review into positive or negative sentiment.
Query: Design flaw. Don't buy!

These batteries and the Makita tools they fit are "just good enough". After a few months off work due to injury, one battery died in the charger. The charge lights indicate it should be almost finished but an audible alarm is beeping and the charger is obviously not charging.Keep these batteries indoors and fully charged if you have any downtime from work!