- 1 x lithium polymer 4000 mAh 45 Wh
- for HP Mobile Thin Client mt20
- mt21; ProBook 430 G4
- 440 G4
- 450 G4
This new replacement laptop battery from eReplacements is 100% compatible with your HP and is Black in color and is rated at 45Whr and 11.4V. eReplacements laptop batteries will meet or exceed the original HP laptop battery specifications because they are manufactured for high performance in the ISO 9000 factories using the best quality cells and most up to date safety and engineering control standards.