To cut boards and other things in straight lines, a circular saw is just the thing. The voltage amounts to 54 volts and weighs in at 3.7 kg, so it should work for everyday use.
From Data Powertools
DeWALT DCS579T2-GB 54V XR FLEXVOLT 190mm Circular Saw 2x 6.0ah Batts
ITS
Dewalt DCS579T2 54V XR FLEXVOLT High Power 190mm Circular Saw with 2x 2Ah Batteries, Charger & Case
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