840-G1 (REPLACEMENT) Laptop Battery for HP EliteBook 840 G1 / 820 G1 / 850 G1 – 11.4V Li-ion

The 840-G1 (REPLACEMENT) Laptop Battery is a reliable aftermarket power solution designed to restore battery performance for HP EliteBook laptops. Built with quality lithium-ion cells, this HP 840 G1 replacement battery provides stable voltage, consistent power output, and dependable runtime for everyday business and office use.

Engineered to meet electrical and safety standards, the replacement battery for HP EliteBook 840 G1 includes advanced protection circuitry to help safeguard your laptop from power-related risks. It is an ideal choice for users seeking an affordable, safe, and efficient laptop battery replacement

Key Features 

• High-quality replacement battery for HP EliteBook 840 G1

• Premium Lithium-Ion cells for dependable daily performance

• 11.4V stable output for safe and consistent power delivery

• Built-in protection against over-charging, overheating & short circuits

• Precision-engineered fit – easy installation, no modifications required

• Good charge-cycle life for long-term use

• Cost-effective alternative to original OEM batteries
  
  

  Compatible Laptop Models

  ✔ HP EliteBook Series

  • HP EliteBook 840 G1

  • HP EliteBook 820 G1

  • HP EliteBook 850 G1

  ⚠️ Please confirm your existing battery part number before purchase to ensure compatibility.

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  🔧 Compatible Battery Part Numbers

  • CM03XL

  • HSTNN-IB5E

  • HSTNN-DB5E

  • 716726-001

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  📦 Technical Specifications

  • Battery Type: Lithium-Ion

  • Voltage: 11.4V

  • Capacity: ~44Wh (typical)

  • Condition: Replacement / Aftermarket