HP CS03XL Laptop Battery – Compatible HP EliteBook Battery Replacement
The hp cs03xl battery is an internal rechargeable battery made for selected HP business-class laptops including EliteBook, ZBook, and MT-series devices.
It is built to match the required voltage, connector type, and size used in compatible models, allowing proper charging and stable performance.
This cs03xl battery is commonly used in EliteBook G3 / G4 series laptops and is suitable when the original battery no longer holds charge or powers off quickly.
Technical Specifications
- Battery model: CS03XL
- Battery type: Li-ion
- Voltage: 11.4V
- Capacity: 39Wh / 3400mAh
- Cells: 3-cell battery
- Color: Black
- Installation: Internal notebook battery
- Condition: New replacement battery
Compatible Laptop Models
(reference list – not exhaustive)
- HP EliteBook 745 G3 / G4
- HP EliteBook 755 G3 / G4
- HP EliteBook 840 G3 / G4
- HP EliteBook 848 G3 / G4
- HP EliteBook 850 G3 / G4
- HP ZBook 15u G3 / G4
- HP MT42 Mobile Thin Client
- HP MT43 Mobile Thin Client
(Some models may use different batteries depending on configuration)
Compatible Battery Part Numbers
- CS03XL
- CS03
- CS03046XL
- T7B32AA
- 800231-141
- 800231-1C1
- 800231-271
- 800231-541
- 800513-001
- HSTNN-IB6Y
- HSTNN-UB6S
- HSTNN-DB6U
- HSTNN-I33C-4
- HSTNN-I33C-5
- HSTNN-I41C-4
- HSTNN-I41C-5
Features & Performance
- Stable voltage for safe laptop operation
- Built-in protection against over-charge and overheating
- Designed for correct fit in EliteBook chassis
- Reliable power for office, school, and travel use
- Supports multiple charge cycles with normal use
Using the correct hp cs03xl battery helps prevent charging errors, shutdown problems, and compatibility issues.
Compatibility Check Recommended
Many HP laptops in the same series use different internal batteries, so model name alone is not always enough to guarantee fit.
For best results, confirm the battery model or part number with us before purchase so you receive the correct compatible battery for HP laptop.
If the battery turns out not to match, return or exchange is available within 7 days (subject to policy), but checking first is the safest way to avoid delays and ensure the right replacement.











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