TM978 - Dell 56Whr 6-Cell 11.1V Li-Ion Battery for Inspiron 1520, 1521, 1720, 1721, Vostro 1500, 1700

Here are the technical specifications of the Dell 56Whr 6-Cell 11.1V Li-Ion Battery for Inspiron 1520, 1521, 1720, 1721, Vostro 1500, and 1700:

- Battery Type: Li-Ion
- Battery Capacity: 56Whr
- Number of Cells: 6
- Voltage: 11.1V
- Compatibility: Inspiron 1520, 1521, 1720, 1721, Vostro 1500, and 1700

Helpful notes:
- This battery is a great replacement for your old or worn-out battery, providing longer battery life and improved performance.
- It is easy to install and fits perfectly with your Dell laptop.
- With its high capacity and long battery life, you can work or play for longer periods without worrying about running out of power.