OPAL ELECTRONICS specializes in the research, production and marketing of power banks, solar chargers. We utilize the most advanced development and production equipment and we have an excellent R&D staff and management team. All our products are made by high-quality domestic battery cells matching international battery standards.Our dedication to providing world-class products at competitive prices have earned us the trust of numerous buyers from the US, Germany, France, Russia, Japan, South Africa and Pakistan. We will continue to research and develop energy-efficient, environment-friendly and safe new energy products to improve the quality of life of our customers. OEM and ODM are always welcome.