The soft pack battery is made of 8021 alloy aluminum foil 0.04mm thickness, and there are other aluminum foils (1235/1060/1070 pure aluminum 0.012-0.016mm thickness). The product is widely used in electric bicycles, electric vehicles, power tools, electric toys, solar photo voltaic power generation systems, cigarette lighter power supplies, emergency lighting, portable power sources and mine safety equipment.

Its 8021 prime aluminum foil material has good extensible. The main advantages are often used in deep-drawn packaging materials. The special properties of 1235/1060/1070 with high conductivity are also commonly used in the inner core of electronic products.