A reciprocating saw can cut basically any material. It has a voltage of 12 volts and has a somewhat modest weight of 1.6 kg.
From Tooled Up
Milwaukee M12 CHZ Fuel 12v Cordless Brushless Reciprocating Saw No Batteries No Charger No Case
ITS
Milwaukee M12 CHZ-0 12V FUEL Brushless Compact HACKZALL Reciprocating Saw - Body
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