The Dell M5Y1K Standard Rechargeable 14.8V Battery in black is a high-quality Li-Ion battery designed specifically for Dell laptops. It is compatible with models such as Dell Inspiron 13 5378, Dell Inspiron 11 3162, and Dell Inspiron 11 3164. This battery has a capacity of 2800 mAh and a voltage of 14.8 V, providing long-lasting power for your laptop. With four battery cells and dimensions of 1.5 x 10.6 x 0.75 inches, this Dell battery is a reliable and efficient choice for keeping your device powered up.