Premium OEM-grade lithium-ion cells for maximum energy density and extended lifespan

Precision-engineered battery management system prevents overcharge/overheating with 1000+ charge cycles

Seamless compatibility with HP EliteBook 840 G2/G3 & CS03XL models (exact fit, no modification required)

Military-grade shock absorption casing with heat-resistant polymer coating for extreme durability

Includes built-in chipset for real-time power monitoring and automatic voltage regulation

Ideal for business travelers, remote workers, and IT professionals requiring reliable mobile power

Manufactured with robotic laser-welding technology ensuring stable current output and zero loose connections

100% brand new cells (no refurbished/used components) with 18-month performance guarantee

Certified by CE/RoHS standards with built-in safeguards against short circuits and power surges

Optimized for high-demand applications: CAD software, video editing, and continuous multitasking environments