Premium CS03XL Laptop Battery for HP Elitebook 745/840 G3/G4

High-capacity lithium-ion cells deliver extended runtime up to 8 hours for uninterrupted productivity. Military-grade polymer casing with flame-retardant coating ensures extreme durability and safety.

Precision-engineered copper-core circuitry minimizes energy loss while advanced BMS prevents overcharging/overheating. Includes built-in diagnostic LEDs for real-time power monitoring.

Seamless compatibility with HP business notebooks including 745 G3/G4 and 840 G3/G4 series. Ideal for corporate travelers, remote workers, and IT professionals requiring reliable mobile power.

ISO-certified manufacturing meets OEM standards. Ships with corrosion-resistant gold-plated contacts and tool-free installation guide. Bulk pricing available for enterprise IT deployments.

Direct-from-factory pricing with 30% cost advantage over retail brands. Backed by 18-month warranty and batch testing documentation.