Wahl Clipper Corp. Sterling Big Mag Cordless Clipper gives you the convenient feature of going cordless and is powered by a lithium ion battery for a 90+ minute run time. This clipper comes with a quick recharge and automatic stand to give you power at a moment's notice. You can either plug recharging transformer directly into unit or place unit in the recharge stand. You also get high precision detailed cuts with the quick detach, stainless steel blades included.