One Hand World Records

Yanhao Deng rolled three AA batteries around one another in one cupped hand at a desk in Chenzhou, Hunan, with a smartwatch stopwatch running beside the hand. The stopwatch is started on camera and passes one minute as the clip ends, and the pace on screen, about two rotations a second early on and a little slower near the finish, fits Yanhao's count of 102. Three batteries, one hand, and none of them hit the desk.

Yanhao Deng rolled three AA batteries around one another in one cupped hand at a desk in Chenzhou, Hunan, with a smartwatch stopwatch beside the hand. The stopwatch is started on camera with the other hand and passes ten seconds while the batteries are still turning, and the quick pace on screen, about two rotations a second, fits Yanhao's count of 21. Ten seconds leaves no room for a slow start, and not one battery hits the desk.

Yanhao Deng rolled three AA batteries around one another in one cupped hand at a desk in Chenzhou, Hunan, with a smartwatch stopwatch running beside the hand. The stopwatch is started on camera and passes thirty seconds just before the clip ends, and the steady pace on screen, about one and a half rotations a second, fits Yanhao's count of 47. Thirty seconds of nonstop finger work, and not one battery hits the desk.

Yanhao Deng rolled two AA batteries around each other in one cupped hand at a desk in Chenzhou, Hunan, with a smartwatch stopwatch running beside the hand. The stopwatch is started on camera and passes one minute as the clip ends, and the steady pace on screen, close to two rotations a second, fits Yanhao's count of 103. Small batteries, one hand, no dropping allowed.

Yanhao Deng spun two AA batteries around each other inside one cupped hand in Chenzhou, Hunan, with a smartwatch stopwatch propped beside the hand. The stopwatch is started on camera and keeps running for about three seconds while the batteries turn, and the quick thumb-driven rhythm, about three rotations a second, fits Yanhao's count of 3 for the first second. Blink and you miss it.

Yanhao Deng spun two AA batteries around each other inside one cupped hand in Chenzhou, Hunan, with a smartwatch stopwatch propped on a storage box beside the hand. The stopwatch is started on camera and runs past ten seconds while the batteries keep turning, and the quick thumb-driven rhythm, about three rotations a second, fits Yanhao's count of 30. Ten seconds of nonstop finger work, and neither battery gets away.

Yanhao Deng spun two AA batteries around each other inside one cupped hand at a desk in Chenzhou, Hunan, with a smartwatch stopwatch propped up beside the hand. The stopwatch is started on camera, runs past 30 seconds as the clip ends, and the quick, steady finger rhythm, well over two rotations a second, fits Yanhao's count of 72. Thirty seconds of nonstop finger work with two of the most ordinary objects in the house.

Yanhao Deng of Chenzhou, Hunan, rolled two D batteries around each other in one cupped hand while a phone stopwatch ran beside the hand on the desk. The stopwatch starts from zero on camera, and RecordSetter tracked every swap on the unedited video, one rotation each time the two batteries trade places, at about one a second for the full minute, which fits Yanhao's count of 62. D batteries are far bigger and heavier than the AA cells in Yanhao's other rotation records, and neither one leaves the hand.

Yanhao Deng of Chenzhou, Hunan, rolled two D batteries around each other in one cupped hand for ten seconds, with a phone stopwatch running on the desk beside the hand. The stopwatch starts from zero on camera, and RecordSetter went through the unedited video frame by frame: the batteries trade places 11 times before the stopwatch reaches 10 seconds, matching Yanhao's count. Ten seconds leaves no room for a fumble with batteries this big, and neither one leaves the hand.

Yanhao Deng of Chenzhou, Hunan, rolled two D batteries around each other in one cupped hand for thirty seconds, with a phone stopwatch running on the desk beside the hand. The stopwatch starts from zero on camera, and RecordSetter checked the unedited video frame by frame: the batteries trade places about once a second until the stopwatch passes 30 seconds, which fits Yanhao's count of 30. Thirty seconds is a short window for batteries this size, and neither one leaves the hand.

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Alex Cunningham balanced 33 PlayStation 2 games in their cases on one hand.