4ah batteries are widely used in various fields such as consumer electronics, power tools, lighting equipment, medical devices and so on. Because of its large current output, 4ah battery can meet the needs of many devices and instruments, and has become an important power supply choice in many industrial and scientific fields.
4ah battery has the advantages of energy saving, environmental protection, high efficiency, durability, safety and reliability. Advanced cadmium-nickel alloy material and chemical structure design are adopted, which improves the performance, makes it have longer service life and faster charging speed. In addition, due to low self-discharge and no memory effect, it is more convenient and economical to use and maintain.