The Dell WYCVV is a 34 Wh lithium-ion battery component for Dell equipment. Its part designation helps identify whether it is the exact battery required for a replacement.
The battery has a 7.6 V rated voltage and a 4250 mAh rated capacity. These specifications describe its electrical characteristics for checking against the required WYCVV part.
The WYCVV designation identifies this specific battery; compatibility is limited to equipment that requires this exact part.