Compatible Models ProBook 4730sProBook 4740s Series Compatible Part Numbers 633733-1A1633734-141633734-142633734-151633734-152633734-421633807-001HSTNN-DB2RHSTNN-I02CHSTNN-I98CHSTNN-I98C-7HSTNN-IB2RHSTNN-IB2SHSTNN-IB25HSTNN-LB2BHSTNN-LB2RHSTNN-OB2RHSTNN-Q89CLC32BA122PR08QK646AAQK646UTQK647AA