Shure SB900B Rechargeable Battery -- Rechargeable lithium-ion battery used in various Shure devices, such as the Axient Digital line, ULX-D & QLX-D wireless, PSM 1000, PSM 900 and PSM 300 (P3RA) personal monitoring systems. [modal title="HAZARDOUS MATERIALS NOTICE" button_text_opener="SPECIAL SHIPPING NOTICE" opener="button" button_style="alternative" ]Please be aware that US Federal regulations qualify certain lithium batteries as…