HP 851610-855 laptop spare part battery

The HP 851610-855 battery is a replacement Lithium-Ion battery designed for selected HP notebook models such as the ProBook 470 G4 and ProBook 450 G5. It provides a rated capacity of 4210 mAh and a compact weight of approximately 0.22 kg, delivering reliable power for everyday mobile computing tasks. The battery is built to fit the specified HP chassis and to restore portable runtime when the original battery no longer holds sufficient charge.

Advantages

This Lithium-Ion battery offers consistent voltage and stable discharge characteristics suitable for notebook use. With a 4210 mAh capacity, the battery extends operating time compared with depleted factory cells and supports typical office tasks, web browsing, and media playback. Its form factor and connector arrangement are matched to compatible HP ProBook models to ensure safe installation and proper electrical contact. The unit’s modest weight helps maintain the laptop’s portability while providing dependable backup power.

Suitable for

• Extending notebook runtime for office applications and remote work
• Replacing a worn-out or failing battery in compatible HP ProBook laptops
• Maintaining mobile productivity during travel or fieldwork

Key specifications

• Battery technology: Lithium-Ion (Li-Ion)
• Rated capacity: 4210 mAh
• Typical weight: 0.22 kg
• Designed form factor: compatible with specific HP ProBook chassis

How to use

Before installation, power down the laptop and disconnect any external power sources. Remove the existing battery following the laptop manufacturer’s instructions, then align the replacement battery with the battery bay and connector and secure it in place until it clicks or locks. After installation, connect the AC adapter and charge the battery fully before first use to help the power-management system calibrate state-of-charge reporting. Use the laptop’s power management settings to optimize runtime and monitor battery health through HP system diagnostics or the operating system’s battery tools.

Recommendations

Store the battery in a cool, dry place and avoid exposure to high temperatures or direct sunlight. For prolonged storage, keep the battery partially charged (around 40–60%). Avoid using damaged or swollen batteries and replace them if physical deformation or abnormal heating occurs. When disposing of the battery, follow local regulations for recycling lithium-ion cells.