... lithium, do not contain mercury, cadmium, lead, and other harmful substances. Accord with the ROHS requirements2. ... for the Qty less than 2 units, and the freight fee by the client. If Qty above ... 2 units, the sample and freight should be 100% paid in advance. Sample ... 4 working daysOEM supportMOQ1000 units, size and thickness, capacity, package and logo design can be customized, leadtime ...