AS cylindrical rechargeable Lithium Ion Battery, 18650 cell size is high 65mm and diameter 18mm. Nominal Votage: 3.7V, max voltage:4.2V, Maximum charge current: 1C, Max discharge current: 1.5C. It can be used for electronic products, such as lighting equipment, medical devices,power bank and so on. 18650 Battery Cell,Li-Po Battery Cell 3.7V,18650 Lithium Battery,Battery 18650 Ji'an Powercome New Energy Technology Co., Ltd. , https://www.expowercome.com
It is understood that the total investment of the display is 7 million yuan, consisting of 21 (3 rows and 7 columns) PH6LED display screen, each small mobile display screen is 0.16 meters apart, the screen can be moved forward 5.86 meters, the second layer, the third The layer screen can be moved forward by 1.76 meters and back by 1.8 meters.
These 21 screens can be combined in any combination or single movement, and are designed with light and thin structural concepts to reduce the burden on the stage and steel frame. In the background of full-screen dynamic video or static picture display, any partial block can also display dynamic video or static picture independently or in combination, layered and blockped, and flexible. 
Lianjian Optoelectronics' Zhangjiajie Scenic LED Display Receives "Great World Guinness Record"
[High-tech LED News] It is reported that Zhangjiajie Wulingyuan Huanglongdong Scenic Spot, Hallejoya Concert Hall, Shenzhen Lianjian Optoelectronics, can be independently moved to combine the LED display with "the largest number of indoors" to obtain the "Great World Guinness Record" ".