Romas is a professional brand of smart mobile power supplies. The sales volume of Romas mobile power supplies on Tmall is very high. Romans mobile power supplies are relatively good in terms of quality, design, service, cost-effectiveness, etc., and have a very good reputation among consumers. Many friends around the editor have purchased Romans mobile power supplies, and word-of-mouth spread may be the reason. Maybe that’s why the sales of Romans mobile power supplies are so high.
Romas Technology Co., Ltd. is an innovative technology company that designs and sells smart power products. With its independent product design and flat online direct sales, Romans provides consumers around the world with high-quality products that can be easily owned.
The principle of mobile power supply is simple. When an external power supply can be found, the built-in battery is charged in advance, that is, electrical energy is input and stored in the form of chemical energy. When needed, the battery provides energy. And generate electrical energy, use a voltage converter (DC-DC converter) to reach the required voltage, and output it from the output terminal (usually a USB interface) to provide power for the required equipment for charging or other purposes.
As a professional smart power supply brand, Romans products cover three major categories: power supplies, car chargers, and adapters; whether you are outdoors, indoors, or in the car, Romans can provide you with seamless Smart power products that cannot be charged. As a super-intelligent power supply, Romans products can charge any brand of smartphones, tablets, and laptops, making them omnipotent. In 2013, Romans ranked first in the sales volume of mobile power supplies in China. Now, Romans is moving towards becoming the world's number one professional smart power supply brand.
We highly recommend the high-capacity power bank using high-quality polymer batteries - the Roma PB20. The Romans PB20 has a capacity of up to 20,000 mAh and uses high-density polymer batteries. It is lighter and thinner than many power banks with the same capacity using 18650 batteries, and is safer, more stable and durable.