Specifications:

6-inch brushless installation-free [5-Section A- product battery] 2-electric 3-chain

6-inch brushless installation-free [5-Section A- product battery] 1-electric 3-chain

12-inch brushless standard model [15-Section A- product battery] 1 electric 3-chain

12-inch brushless flagship [backpack lithium battery] 1 electric 3 chain

12-inch brushless standard model [10-Section A- product batteries] 2-electric 3-chain

12-inch brushless flagship model [10 large capacity batteries] 1 electric 3 chain

12-inch brushless standard model [15-Section A- product battery] 2-electric 3-chain

16-inch brushless overbearing model [double lithium battery 15-section large capacity battery core] 4 electric 4 chain

16-inch brushless overbearing model [double lithium battery 15-section large capacity battery core] 2 electric 4-chain

12-inch brushless standard model [10-Section A- product batteries] 1 electric 3-chain

12-inch brushless flagship model [10 large capacity batteries] 2 electric 3 chain

12-inch brushless flagship model [15 large capacity batteries] 2 electric 3 chain

12-inch brushless flagship model [15 large capacity batteries] 1 electric 3 chain