Battery compatible with the electrical connections and requirements of the specified HP laptops, with 10.8V rated voltage and 55 Wh energy capacity: designed to offer reliable power during use in mobility, restore the autonomy of the device and function with the original charging circuits. Ideal for those looking for a replacement that maintains long-term performance, stable loads and integrated protections against overload and short circuit. **Attention***: average duration 30 minutes, value well before purchase!] Rated voltage: 10.8 V. Energy capacity: 55 Wh. Chemistry: Li?ion (litio?ion). Number of cells: 6 cells (typical configuration for 10.8V/55Wh). Interface: protruding contact connector compatible with HP battery compartment (slip connection). Integrated protections: BMS protection circuit against overload, deep discharge and short circuit. Compatible Brand: HP Compatible Product Lines: EliteBook, Compaq, Thin Client Compatible Models: 2530p, 2533t, 2540p, 2510p, 2533t, 2530p, 2540p, NC2400, NC2410, 2533t Warranty and Assistance Simpletek Product assembled and tested by Simpletek technicians in Arezzo. Each unit is verified for quality and reliability. Included 1 year warranty on refurbished products and dedicated technical support. Simpletek - Italian quality since 2010. Products assembled and tested in Arezzo.