The Metabo HPT 36V multivolt portable rebar bender/cutter (VB3616DAM) (4.0Ah x 2 + charger) is the industry's first cordless rebar bender/cutter, based on the AC powered rebar bender/cutter, the VB16Y. The VB3616DAM's cutting and bending performance is even greater than that of the VB16Y, thanks to its DC fan-cooled brushless motor and ultra-capable multivolt 4.0Ah battery. This tool can be used cordless OR corded when paired with the ET36A AC adapter (sold separately). Metabo HPT introduces MutliVolt: a revolutionary power tool platform offering dual power source technology. Cordless or corded, multivolt gives we the choice to operate all multivolt tools either with a multivolt 36V battery or multivolt AC adapter with cord. Get the power of a corded tool with the freedom of cordless. Also, no longer will production have to stop due to a drained battery. Just connect the AC adapter with cord and keep working while the battery charges. We no longer need both a cordless and corded tool - multivolt is a one tool solution.