HP L75783-006 is a rechargeable lithium spare battery for compatible HP notebooks, intended to replace an internal battery and provide power to the device.
Its two-cell construction has a stated energy capacity of 47 Wh and a charge capacity of 6.15 Ah. These figures describe the battery; the listing gives no dimensions or runtime estimate.
The device-specific size is intended for fitment in compatible HP notebook models. Check compatibility with your model before choosing this replacement.