Premium Quality Replacement Battery: Invest in the high-grade hp probook 4540s battery replacement, a premium 58Wh battery designed for longevity and outstanding performance. This battery for hp probook 4730s guarantees reliability and efficiency. Safety Certified: This pr06 battery not only offers impressive battery life but also has passed UL CE FCC testing to ensure maximum safety. Trust our replacement laptop battery for hp probook 4530s for a safe and secure experience. With an impressive 5200 mAh capacity, this hp spare 633805-001 battery, also known as pr06 battery, is a perfect replacement laptop battery for hp probook 4530s and other ProBook models.