It is understood that the payment of sound waves requires the payment and payment parties to install Alipay wallet. On the one hand, the payee clicks on the application's own avatar to display the personal business card; on the other hand, the payer clicks the “pay†button on the client, and then, The payer’s mobile phone will emit a sound wave, after which the payee’s account number can be identified and the transfer will be completed via the Alipay platform. This feature is suitable for use when face-to-face with both parties.
DADNCELL 3V lithium-manganese buckle-type disposable battery adopts manganese dioxide with very stable chemical properties as positive materials and lithium with very high energy as negative electrode materials.
DADNCEL batteries have excellent safety performance, good sealing performance, stable discharge voltage and long storage life. At the same time, they have the characteristics of temperature and wide. The battery can work normally at -20°C ~ +60 °C. Therefore, it is often used in backup memory power supply of some products, such as computer motherboard and automotive alarm. Tire tester, handheld computer, industrial control motherboard, calculator, watch, shoe lamp, electronic thermometer, electronic toys, flashlight, tax control machine, medical device, small electronic gift, Bluetooth wireless products, multifunctional wireless remote control, PDA, MP3, electronic key, card radio, IC card, smart home Electrical, digital camera, mobile phone and other equipment.
All types of batteries developed by DADNCELL Lab do not involve any heavy metals in production, use and waste. They are green and environmentally friendly and can be disposed of with domestic waste.
3V Lithium Button Battery,Button Cells For Key Fob,High Specific Energy Coin Battery,Coin Cells For Computer Motherboard
Shandong Huachuang Times Optoelectronics Technology Co., Ltd. , https://www.dadncell.com