Eric Slarkowski regularly writes newsletters on problems relating to battery drills and cordless drill reviews. His writings on cordless tools are published on <a href="http://www.insidewoodworking.com/cordless_drills/cordless_tools.html" title="http://www.insidewoodworking.com/cordless_drills/cordless_tools.html" target="_blank">http://www.insidewoodworking.com/cordless_drills/cordless_tools.html</a> in addition to other online sites.