Dell C3YFG is a six-cell lithium-ion battery for compatible Dell Latitude laptops, providing portable power when you use the computer away from an outlet. Its 65 Wh capacity and 11.1 V nominal voltage identify this battery configuration.
A four-pin connector is part of the specification. The listed compatible models are Dell Latitude E5410, E5510, E6410 and E6510, which helps identify whether C3YFG is a suitable replacement for your system.