This new replacement laptop battery from eReplacements is 100% compatible with your hp probook 4421s . eReplacements laptop batteries all come with a 1 year warranty and will meet or exceed the original hp probook 4421s laptop battery specifications because they are manufactured for high performance in our ISO 9000 factories using the best quality cells and most up to date safety and engineering control standards:
- High/low temperature shut off protection
- Thermal runaway protection
- Overcharge shut off protection
- Over discharge shut off protection
- Cell imbalance shut off protection
- Fire resistant plastic casing
- Manufactured using the most up to date TI BQ20Z chip set
Thousands of resellers, dealers and service companies over the years have trusted eReplacements to provide their customers with quality replacement laptop batteries.
| BATTERY TYPE | Lithium-Ion |
| BATTERY CAPACITY (WATT HOURS) | 7800 Watt-Hour |
| COMPATIBILITY | HP Probook 4321, 4322, 4326, 4420, 4421 |
| NUMBER OF CELLS | 9 |
| COLOUR | Black |
| DIMENSIONS | 2.83in x 2.92in x 0.78in |
| WEIGHT | 1LBS |
| WARRANTY | 1 years' manufacturer's warranty |