Converters can be seamlessly converted between the connector and a standard 7.4x5.0 mm DC7450to meet the needs of remote controling models and other applications that require a reliabled power transfer solution Suitable for internal converting on energy storage power supplies, solar panel, aeromodels, laptops The converter head allows for seamlessly conversion between the connector and a standard DC7.4x5.0 mm, meeting the needs of remote controling models,, and other applications that require a reliabled power transfer solution The bidirectional design ensures compatibility in both directions, making these adapters essential tool for hobbyists and professional to 7450 Series Charging Adapters: 7450 refers to the 7.4x5.0mm size, which is usually found on laptops and projectors ( When using the adapter, the voltages of the adapter at both ends of the adapter should be the same as the operating voltages of the device