15 year like a day only pay attention to the connection about the lithium battery charging and discharging overload.Products are widely used on the lithium model (dronerunnerRC model etc.);lithium travel tool (balance carscooters);lithium electric toolelectric bicycleenergy storageintelligent robotconsumer electronics.Around the world AMASS serve nearly 360 brand enterprise and export 63 countries and zone.