HP 45Wh Li-ion Battery for HP ProBook 400 G6/G7 Series (L77689-2B1), 3-cell, 3600 mAh, 11.55 V, Black

The HP 45Wh Li-ion battery (L77689-2B1) is a direct replacement for select HP ProBook 400 G6 and G7 series laptops. Its 3-cell lithium-ion design delivers 45 Wh of energy and 3600 mAh capacity at 11.55 V, providing balanced runtime and longevity for everyday productivity. Unlike generic alternatives, this battery is engineered to match the original specifications, ensuring seamless compatibility and reliable power delivery.

Highlights

• 45 Wh energy capacity for extended work sessions
• 3-cell lithium-ion construction for stable output
• Compatible with HP ProBook 450 G6, 450 G7, 455 G6, 455 G7, 470 G6, 470 G7
• Rechargeable and designed for internal mounting

In daily use

This battery restores your laptop's portability, allowing you to work away from the outlet. The 3600 mAh capacity supports typical office tasks, web browsing, and media consumption. Installation is straightforward for qualified technicians, and the black housing blends with the laptop's design.

Full specifications

• Battery Type: Lithium-ion (Li-ion)
• Capacity: 45 Wh
• Nominal Voltage: 11.55 V
• Capacity (mAh): 3600 mAh
• Number of Cells: 3-cell
• Compatible Brand: HP
• Compatible Series: HP ProBook 400 G6/G7 Series
• Compatible Models: HP ProBook 450 G6, 450 G7, 455 G6, 455 G7, 470 G6, 470 G7
• Part Number: L77689-2B1
• Color: Black
• Rechargeable: Yes
• Condition: New
• Mounting Type: Internal

Final note

Ensure your laptop model is listed before ordering. This battery is a replacement part and should be installed by a professional to avoid damage.