Battery Pl Coslight 3.72Ah

The HP Battery Pl Coslight 3.72Ah, part number L11421-2C1, is a replacement battery for HP notebooks. Identified as a Coslight battery, it is intended for use in a compatible HP notebook when a replacement battery is needed.

Its lithium-ion design has three cells. The specified capacity is 3,720 mAh (3.72 Ah), and the voltage is 11.34 V. These figures describe the electrical characteristics of this particular battery and can help identify the correct replacement part.

Installed in a compatible notebook, L11421-2C1 provides battery power when the computer is used away from a fixed power source. The part number and HP identification distinguish it among notebook batteries.