Its a way of upping the energy density of the pack and is nice marketing hook as well. IME an 18V makita will do everything you can think of, and the 14.4V will do nearly everything!
(in everything I include mix a large bucket of plaster or quick levelling, turn a 127mm hole saw, or a board access saw, drill a 50mm hole into end grain using an expansive bit etc along with drill holes and drive screws)
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Cheers,
John.
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Cheers,
John.
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