Acer BTP-ARJ1 | 8-Cell 4400mAh 11.1V Battery for Aspire 3620

Here are the technical specs for the BTP-ARJ1 battery:

- Battery type: Li-ion
- Voltage: 11.1V
- Capacity: 4400mAh
- Number of cells: 8
- Color: Black
- Dimension: 208.20 x 71.90 x 19.90 mm
- Weight: 383.4 g

Helpful notes:
- This battery is compatible with the Acer Aspire 3620 laptop model.
- It has a high capacity of 4400mAh, which means it can last longer than the original battery.
- The 8-cell design provides more power and longer run time compared to the standard 6-cell battery.