Description
Product Overview
Genuine HP CX03XL 53Wh replacement battery designed specifically for compatible HP EliteBook models. This high-quality battery ensures reliable performance and extended usage time for your laptop.
Specifications
- Capacity: 53Wh
- Voltage: 11.55V
- Chemistry: Lithium-ion
- Condition: Brand new
- Part Number: CX03XL
Compatibility Information
Part Numbers (P/N)
- HSTNN-LB8R
- L77624-1C1
- L77624-1C2
- L77624-421
- L77624-422
- L78551-005
- CX03XL
Models
- HP EliteBook x360 830 G7
- HP EliteBook x360 830 G8
Note: This battery is compatible with additional part numbers and models beyond those listed. If you’re unsure about compatibility, please leave your laptop model or current battery part number in the order notes, and we’ll verify before shipping.
When to Replace Your Battery
Consider replacing your laptop battery if you notice any of these common signs:
| Symptom | Description | Recommended Action |
|---|---|---|
| Short Runtime | Battery drains quickly even after full charge | Replace if runtime is less than 1 hour |
| Charging Issues | Battery won’t charge fully or charges intermittently | Replace if charging stops below 80% capacity |
| Swelling/Bulging | Battery case appears swollen or deformed | Replace immediately for safety |
| Overheating | Battery gets unusually hot during use or charging | Replace to prevent damage to laptop |
| System Warnings | Laptop shows “Replace Battery” or similar alerts | Replace as soon as possible |
| Age | Battery is over 2-3 years old with reduced performance | Consider preventive replacement |
Estimated Battery Life
Conservative estimates for HP CX03XL 53Wh battery under different usage scenarios:
| Usage Scenario | Estimated Runtime | Power Settings |
|---|---|---|
| Web Browsing | 4-6 hours | Balanced mode, medium brightness |
| Office Applications | 5-7 hours | Power saver mode, low brightness |
| Video Streaming | 3-5 hours | Balanced mode, medium brightness |
| Light Gaming | 2-3 hours | High performance, high brightness |
| Standby/Sleep | Up to 2 weeks | Sleep mode with occasional wake |
| Idle Desktop | 6-8 hours | Minimum power, lowest brightness |
Important Note: New replacement batteries used with older hardware and software will typically provide shorter runtime compared to the original battery when your laptop was new. This is normal due to increased power demands from aging components and modern software.
Purchase Benefits
- Ships within one business day
- 30-day money-back guarantee
- 1-year manufacturer warranty
- In stock, ready to ship
- Brand new genuine product
- Free shipping included





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