I was interested in purchasing a grass trimmer and was curious about
the cordless models. I have had a good deal of experience with the
gas models, but my current small yard just does not seem to call for
the power that a gas model has. So how well do cordless models
perform? Can they cut through thick grass and for how long? Are
there two line models or just single strand? Also, what are the
maintenance costs/battery replacement cost? Thanks in advance for the
help!

TC