HP CS03 Battery for EliteBook 840 G3Keep your productivity running strong with the HP CS03 Replacement Battery, designed specifically for the HP EliteBook 840 G3 and compatible models. This high-quality lithium-ion battery delivers reliable performance, long-lasting power, and seamless compatibility — perfect for replacing your old or worn-out battery.Whether you’re working remotely or on the go, the HP CS03 provides stable power to keep your laptop running efficiently without interruptions.Key Features:Compatible with HP EliteBook 840 G3 / 850 G3High-quality 4-cell lithium-ion batteryLong-lasting performance and reliable power outputBuilt-in safety features: overcharge, overheat, and short-circuit protectionEasy to install and fully compatible with original chargerPower up your productivity with the trusted performance of the HP CS03.