The USB-C shape does not settle the question
A matching connector does not guarantee the same power capability. Check that the charger and cable support the USB Power Delivery voltage and power requested by the laptop.
Compare stored energy in Wh as well as USB-C output. Capacity says how much energy is stored; watts describe power delivered at a given time.
An AC appliance needs regional checks
For an appliance that needs AC, check continuous output and startup requirements separately. Nigeria uses a nominal 230 V, 50 Hz supply; check the exact appliance and station ratings and the actual installation. Documented local calculation references are labelled on their product profiles; they do not establish stock or an approved purchase route.
An English-language listing may describe a US version. Confirm the Nigerian SKU, exact receptacles, supplied cable and warranty with the manufacturer or seller.
Choose capacity from the time you need
Begin with watts multiplied by hours. Include conversion losses and the battery charge you intend to leave unused.
Enter your own device values, then test the actual combination. This edition confirms neither stock nor a purchase destination.
Sources
Check exact specifications in manufacturer and standards documentation.