Which battery is better, Du Nan or Huayu?

A brand. It is understood that Du Nan Huayu is located in Tianying Science and Technology Park, Jieshou High-tech Zone, Fuyang, and it is the largest and most comprehensive recycled lead recycling industrial park in China. It is one of the major manufacturers of power batteries and plates in China. Huayu's graphene battery can work stably in the environment of 40-120 C, with high temperature and cold resistance, and will not be damaged by high temperature or low temperature. And after 250 thousand charge and discharge cycles, it can still maintain more than 90% of the electricity. This will last for more than 50 years even if it is charged once or twice a day.