Lithium Ion clipper with more power and torque. Features: 60 minute quick charge with 90 minute use. Low power discharge when not in use with no memory effect. Lithium is more durable and longer lasting than standard NiMH battery chemistry. Contains specialty cells providing higher current, for more power and tourque. Quiet with low vibration. Adjustable 5 position blade for cutting lengths 0.7mm to 3mm. Replacement Blade - WDDC Code 102921 - CLIPPER BLADE WAHL 5 in 1 Standard (58190)