Battery pack and electric power tool including sameA battery pack includes cylindrical columnar battery cells arranged at least in two rows and two columns along vertical and horizontal directions orthogonal to center axes of the battery cells. Each o…DRIVE·Mar 28·2 min readFollowH01M50/213PANASONIC ELECTRIC WORKS POWER [JP]
Battery chargerA battery charger for charging a detachably attached battery pack by supplying an electric power from an external power source, the battery charger includes a notification unit for notifying a user of…DRIVE·Mar 30·1 min readFollowH02J7/80PANASONIC ELECTRIC WORKS POWER [JP]
Charging circuitA charging circuit includes a battery pack (4) provided with one or more secondary batteries (5) and a battery charger (1) for charging the secondary batteries, (5) the battery pack (4) being detachab…DRIVE·Mar 2·1 min readFollowH01M10/443PANASONIC ELECTRIC WORKS POWER [JP]
