The HP L77689-2B1 is an internal replacement battery for compatible HP notebooks, supplying stored power when you use the notebook away from an outlet.
Its three cells use lithium-polymer technology. With 45 Wh rated energy capacity, 3790 mAh charge capacity and 11.4 V voltage, it is specified for notebook battery replacement.
Listed compatible models are HP ProBook x360 435 G7 and G8, HP Pro x360 435 G10, and HP ProBook x360 11 G5. Check your notebook model against this list before choosing the battery.
Package contents: one battery per sales unit.