New technology: Lithium is more durable and longer lasting than standard NiMH battery chemistry. Contains specialty cells providing higher current, for more power and torque. 45 minute quick charge. 75 minute use. Low power discharge when not in use, with no memory effect. Cord/cordless operation. Durable 1.2V rotary motor with noise reduction. LED push button indicator. New, high quality stainless steel blade with precision grinding technology. Powerful ultra close 0.4 mm cutting.