HP EliteBook 840 G3 Laptop Battery – CS03XL / 800513-001

Product Description

The HP EliteBook 840 G3 Laptop Battery CS03XL is a replacement internal battery designed for compatible HP EliteBook laptops.

This rechargeable lithium-ion battery provides power when your laptop is not connected to an AC adapter. It is suitable for replacing an old, weak, swollen, or non-charging battery.

The compatible battery is listed with an 11.4V rating and approximately 46Wh capacity. Please compare the original battery part number, voltage, connector, and physical shape before ordering.

Compatible Models

• HP EliteBook 840 G3
• HP EliteBook 840 G4 (compatible configurations only)
• HP EliteBook 745 G3
• HP EliteBook 755 G3
• HP EliteBook 850 G3
• HP EliteBook 850 G4
• HP EliteBook 848 G3
• HP ZBook 15u G3

Verify the original battery part number before ordering. Compatibility with other models is not guaranteed.

Compatible Part Numbers

• CS03XL
• CS03
• 800513-001
• 800231-141
• 800231-271
• 800231-1C1
• 800231-2C1
• 800231-541
• HSTNN-IB6Y
• HSTNN-UB6S
• HSTNN-DB6U
• T7B32AA

Product Details

• Product Type: Laptop Replacement Battery
• Brand Compatibility: HP
• Laptop Series: HP EliteBook
• Compatible Model: HP EliteBook 840 G3
• Battery Model: CS03XL
• Battery Type: Lithium-Ion / Lithium-Polymer
• Number of Cells: 3 Cells
• Voltage: 11.4V
• Capacity: Approximately 46Wh
• HP Part Number: 800513-001
• Installation: Internal Battery

Product Condition

Condition: Please confirm before publishing — Brand New / OEM Compatible / Original Used.

Warranty Details

1 Year Replacement Warranty.

Important Note

• Please compare the product with the image provided before placing your order.
• Match your original battery part number with CS03XL or one of the listed compatible numbers.
• Confirm the voltage, connector, battery dimensions, and mounting arrangement.
• Verify compatibility with your exact HP EliteBook 840 G3 configuration.
• Do not install a swollen, damaged, or physically deformed battery.
• No screws are included unless specifically mentioned in the product description.
• Using an incompatible battery may damage your laptop. Verify compatibility before ordering.
• If the product is out of stock, your payment will be refunded.
• Immediate replacement will be provided for verified functionality problems, subject to warranty terms.
• Warranty will be void if the product has physical damage at the time of replacement.
• Warranty does not cover external causes, accidental damage, physical damage, cuts, burns, misuse, or missing or damaged warranty stickers or labels.
• Please ensure your delivery address is complete and includes your PIN code and contact number.
• Images shown are for reference purposes only and may not represent the original product photograph.

Frequently Asked Questions

1. Is this battery compatible with HP EliteBook 840 G3?
Yes, the CS03XL battery is listed for compatible HP EliteBook 840 G3 configurations. Match your original battery number before ordering.

2. What is the battery part number?
The main battery model is CS03XL, with HP part number 800513-001.

3. What are the voltage and capacity?
The listed specifications are 11.4V and approximately 46Wh.

4. Can this battery be used in HP EliteBook 840 G4?
Some compatible configurations are listed, but verify the original battery number and connector before purchasing.

5. Does this HP EliteBook battery come with a warranty?
Yes, it comes with a 1 Month Replacement Warranty, subject to the stated warranty conditions.