HP WA475AV | 9-Cell Lithium-ion (Li-Ion) 2.8Ah 93Wh (Primary) Battery for ProBook 4520s Notebook PC

Here are the technical specifications for the HP 9-Cell Lithium-ion Battery for ProBook 4520s Notebook PC:

- Battery Type: Lithium-ion (Li-Ion)
- Battery Capacity: 2.8Ah
- Number of Cells: 9
- Voltage: 10.8V
- Watt Hours: 93Wh
- Compatibility: ProBook 4520s Notebook PC

Helpful notes:
- This battery has a larger capacity than the standard battery that comes with the ProBook 4520s, providing longer battery life.
- Lithium-ion batteries have a longer lifespan and are more environmentally friendly than other types of batteries.
- Always use the appropriate charger for your battery to ensure optimal performance and safety.