Find out why DCU has become one of the largest and most successful credit unions in the country, with over one million users and 5,900 co-op shared branches.
Ultra-thin, the battery can be assembled into a credit card.Ordinary liquid lithium battery adopts the method of customizing the outer casing first, and then plugging the positive and negative materials.The thickness is 3.6mm or less, there is a technical bottleneck.The polymer batte...