HP 50Wh 3-Cell 4.5Ah Li-ion Laptop Battery (CM03050XL) for EliteBook, ZBook

Your HP EliteBook or ZBook deserves a battery that keeps pace with your workday, not one that leaves you scrambling for an outlet. This original HP 50Wh battery (CM03050XL) restores dependable, long-lasting power to your laptop, so you can focus on the task at hand instead of the battery icon. With a robust 50 watt-hour capacity and 4.5 amp-hour current, it delivers the endurance you need for meetings, travel, or extended projects away from your desk.

Who is it for

This battery is the ideal replacement for professionals and students using HP EliteBook 840 G1/G2, 850 G1/G2, 740 G1/G2, 750 G1/G2, ZBook 14, or ZBook 15u G2 laptops. If your current battery no longer holds a charge, drains quickly, or triggers warning messages, this genuine HP part brings your device back to like-new performance. It’s also a smart spare for frequent travelers who need a backup power source on the go.

Main features

• Original HP quality: engineered to meet strict OEM specifications for safety, compatibility, and reliability.
• 50Wh energy capacity: provides substantial runtime for typical office tasks, web browsing, and multimedia.
• 3-cell lithium-ion design: balances weight and power for a slim, lightweight profile.
• 4.5Ah current capacity: ensures consistent power delivery even under moderate loads.
• Advanced protection circuitry: guards against overcharging, over-discharging, over-current, and short circuits.
• Certified safety: CE, FCC, and RoHS compliant for peace of mind.

Specifications

• Battery technology: Lithium-ion (Li-ion)
• Number of cells: 3
• Energy capacity: 50 Wh
• Current capacity: 4.5 Ah (4500 mAh)
• Nominal voltage: 11.4 V
• Colour: Black
• Rechargeable: Yes
• Condition: New
• Installation type: Internal (requires professional installation or user disassembly)
• Compatible HP series: EliteBook 840 G1, 840 G2, 850 G1, 850 G2, 740 G1, 740 G2, 750 G1, 750 G2, ZBook 14, ZBook 15u G2

Tips

For best results, fully charge and discharge the battery two to three times after installation to calibrate the battery gauge. Always power off your laptop and disconnect the AC adapter before replacing the battery. If you are not comfortable opening your laptop, seek assistance from a qualified technician to avoid damage.