Made With The User In Mind Need To A Combination Of Live, Dead or Brittle Stems and Branches? Looking For A Great Garden Gift Set You Can Be Confident To Give? 21V: Working voltage: 21V Lithium battery: 21V/10000mAh Battery charging time: about 1-1.5 hours Battery working time: about 5-6 hours Rated power: 100W Maximum power: 500W Weight: approx.900g Shear diameter: about 30mm soft branches Working temperature: -10°-60° 16.8V: Working voltage: 16.8V Lithium battery: 16.8V/8000mAh Battery charging time: about 1-1.5 hours Battery working time: about 3-4 hours Rated power: 100W Maximum power: 500W Weight: approx.900g Shear diameter: about 25mm soft branches Working temperature: -10°-60° Note: Double insulation, grounding not required. Battery charging will automatically cut off when overheating occurs. Packing list: 1* Electric Pruning Shear 2* Lithium Battery 2* Hex Wrench 1* Charge Adapter 1* Grindstone 1* User Manual