Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Charger works great!

I have an expensive collection of lithium batteries. Trying to charge high capacity batteries with an Energizer cheap charger from Walmart was impossible and overheated the batteries. This charger pulls it off easily within a few hours. I tried chargers from Radio Shack and Interstate battery but neither would charge all the batteries without a blinking light indicating that there "may" be something wrong with some of the batteries. After charging, I used the batteries and they work perfectly with lots of power for an extended length of time. I would recommend that this is the best charger on the market for typical charging applications.