I've used this cordless tool a lot this spring. Battery life at a fairly resistive load is about 45 minutes (I used it to saw through a thick plastic grass barrier). The charging time is several hours because it uses a micro USB connector. The instructions for attaching the various inserts were not very clear. So I had to learn mostly through trial and error. So far I have only used saw blades. There are only two of these in the kit and both were broken by the end of the trimming project. I have ordered more blades for future work.