How about Chaowei No. 2 graphene battery?

As far as its technology is concerned, the graphene negative electrode technology, high-strength positive electrode lead paste technology, high-corrosion-resistant rare earth alloy grid technology and other integrated technologies used by Chaowei graphene second-generation batteries have laid the foundation for Its basic tonality as a high-end battery.

In terms of its functionality, its biggest feature is that it is more durable than ordinary batteries.

Its durability is mainly divided into two aspects:

It has good cycle performance, has a long service life, and can be replaced with a new one for 2 years;