A cache battery protects your disk drive array from data loss in the case of a power failure.?The?HP 750452-001 Battery?can supply up to?7.4 V?and is designed for use with?Blade 460 G9?controllers. This?HP 750452-001 Battery?has been removed from a working unit, tested for complete functionality by our expert in-house?HP-Certified Technician, and is ready to ship today! Purchase with confidence, as the photos above represent the exact quality of your items, and come bundled with our?90 Day Warranty. *Please note, we have additional HP 750452-001 Batteries in stock; feel free to send a message and we will update the quantity to suit your specific needs.* Thank you for choosing AltaTech for all of your lightning-fast IT needs!