Upgrade your HP laptop with this genuine HP CM03XL Lithium-Ion battery, designed to provide reliable power, stable performance, and long-lasting backup. This brand-new replacement battery is built with premium cells to ensure safe charging and dependable daily use. It features an 11.1V output, 4000mAh capacity, 44Wh energy rating, and a 4-cell design for efficient performance. Compatible with HP EliteBook 740 G1/G2, 745 G1/G2, 750 G1/G2, 755 G1/G2, 840 G1/G2, 845 G1/G2, 850 G1/G2, 855 G1/G2, HP ZBook 14 G2 and ZBook 15u G2 models using the CM03XL battery. Ideal for replacing weak or worn-out batteries. Each battery is tested before sale and comes securely packaged. Please confirm your battery model before ordering.