www.slashgear.com: So you finally decided to start building a collection of cordless power tools for your home improvement and DIY projects. As you start shopping around, you'll quickly notice that it's not just the tools that come in a variety, but the batteries do too. Power tool batteries are available in different capacities, measured in amp hours or Ah. Most major power tool brands offer anywhere from 1.5Ah to 12Ah.
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So I feel like one of the most infuriating parts of doing anything with power tools is waiting for batteries to charge, especially if you only have like one set of batteries. like genuinely I don't know if there's a worse feeling than knowing you have to do something and just sitting there waiting for a battery to charge. It does make sense that higher Ah on a power tool battery means it will take longer to charge than a lower Ah battery. Something that really stood out to me in the article was when it talked about optimizing conditions for charging your batteries. It talked about how the ideal temperature to charge lithium ion batteries was at room temperature and how cold conditions especially can slow down charging time. This reminded me of a time when I was doing some conservation work where we had a generator we were using for our battery charger and it was freezing and the batteries took so long and it was really frustrating. But it makes sense now why it took so long.
I think that charging the battery itself is the biggest drawback of battery-powered tools. It’s rarely a problem here because we have so many Milwaukee and Hilti batteries in stock, but not everywhere has a huge inventory of tool batteries. A few years ago, I was on a jobsite and we only had two batteries. At the end of the day we had to vacuum something up, and the only vacuum we brought was a battery-powered Milwaukee vacuum. Because it was the end of the day, both of our batteries were close to dead, so we had to switch them constantly between the charger and the vacuum while we cleaned up. It really made me wish that we could have just plugged it into the wall. I also have to admit that I can’t stand how heavy the high-Ah batteries are. I almost always grab the smallest battery that I can find, just because I don’t want to be lugging around a super heavy battery all day.
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