MITSU Battery CS03 CS03XL for HP EliteBook 755 840 850 G3 - 4100 mAh (47 Wh)

Upgrade or replace the battery in your HP EliteBook or ProBook with the MITSU CS03 CS03XL rechargeable lithium-ion battery. Designed to meet or exceed original specifications, this 3-cell battery delivers 4100 mAh (47 Wh) of reliable power for extended productivity.

Advantages

High-quality Grade A cells ensure long cycle life (500+ cycles) and consistent performance. Built-in protection circuits guard against overcharge, over-discharge, overcurrent, and short circuits, providing safe operation. The battery is CE and RoHS certified, meeting strict environmental and safety standards.

Suitable for

• HP EliteBook 745 G3, 745 G4, 755 G3, 755 G4, 840 G3, 840 G4, 850 G3, 850 G4
• HP ZBook 15u G3, 15u G4
• HP ProBook 640 G2, 640 G3, 645 G2, 645 G3, 650 G2, 650 G3, 655 G2, 655 G3

Key specifications

• Battery Type: Lithium-ion (Li-ion)
• Voltage: 11.4V
• Capacity: 4100 mAh
• Energy: 47 Wh
• Number of Cells: 3-cell
• Color: Black
• Condition: New
• Rechargeable: Yes
• Protection: Overcharge, Over-discharge, Overcurrent, Short Circuit
• Certifications: CE, RoHS
• Cycle Life: 500+ cycles
• Installation: Internal
• Cell Quality: High-quality Grade A cells

Recommendations

For optimal performance, fully charge the battery before first use and follow your laptop's battery calibration guidelines. This replacement battery is compatible with original HP part numbers CS03, CS03XL, HSTNN-UB6L, HSTNN-I66C, HSTNN-IB6Y, 800231-141, 800231-271, 800231-851, and 800513-001.