BTS-5V20A Battery Testing Equipment/ machine offer battery formation & grading equipment Turn key project BTS-5V20A Battery Testing Equipment /machineTechnical ... RHStorage Environment Relative Humidity Range30%–90%RH3,Similar Type 1.BTS-15V6A Per Unit Main Channels No ... offer other equipment for lithium battery production, such as coater, cut machine, slitting machine, assembling machine and so on. and ...