Originally Posted by
Ben Hatcher
HD also sells higher capacity batteries for the Ryobi one+ that claims to give 4x longer run time over the base battery.
In my anecdotal experience, it depends on the task. I used to get AT LEAST twice the run time out of the Lithium over the NiCd battery that came with the my tools (which is now dead). Maybe more. I never made the effort to time it on anything but weed wackin'. As I mentioned, I have used my string trimmer to mow, and I would get about 12-15 minutes of constant run time out of the NiCd and 25-30 minutes out of the Lithium. My sense is that in start and stop tasks like drilling and sawing the Lithium lasts much longer than twice the NiCd. I rarely have to swap batteries during an outdoor project.
The Lithium batteries have other benefits including:
- They hold a charge much longer. I don't get into the shop every week, so I love knowing that I won't have to wait for my batteries to charge before I can use my drill.
- They have a flatter discharge curve. With lead acid batteries, they start strong but gradually get weaker and weaker. Lithium batteries stay strong from the beginning with only a slight drop-off in power just before they have to be recharged.
- They charge faster. My old NiCd had a charge time of around an hour whereas they Lithium was about 45 minutes.
- They're lighter. More power with less weight.
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