The Wahl 9854-600 Lithium Ion All in One Trimmer is the world s first grooming device with lithium ion technology the most advanced rechargeable battery technology available. It can maintain a charge up to 10 times longer with three times the run time and two times the torque. This ergonomic and durable lithium ion trimmer features a silicone rubber non-slip grip to help you to control it comfortably and steadily while trimming. It comes with everything needed to achieve professional-looking results including trimmer blades a precision detailer a clipper blade and guide combs that provide 12 different cutting positions. This powerful rechargeable Wahl 9854-600 Lithium Ion All In One Trimmer is lightweight has almost no charge-loss in storage is environmentally smart and has no memory issues. Lithium ion trimmer has a powerful lithium ion battery can hold a charge up to 10 times longer with 3 times the run time and 2 times the torque 3-minute quick charge and 1-hour full charge Ergonomic and durable Fe