HP 731990-001 | 2-Cell 30Wh 4.0Ah Li-Ion Battery for Laptop Systems

Here are the technical specifications of the HP 2-Cell 30Wh 4.0Ah Li-Ion Battery for Laptop Systems:

- Battery type: Li-Ion
- Number of cells: 2
- Capacity: 30Wh
- Power output: 4.0Ah
- Voltage: 7.4V
- Dimensions: 8.08 x 1.95 x 0.21 in
- Weight: 0.22 lbs

Helpful notes:
- This battery is compatible with select HP laptop models only. Check your laptop's compatibility before purchasing.
- Li-Ion batteries have a longer lifespan and higher energy density compared to other battery types.
- It is important to properly dispose of old or damaged batteries to prevent environmental harm.