How were these two models chosen?

Paired because they are the same brand one step apart on output current: 40 amps against 48 amps, each represented by that brand's cheapest model carrying a verified price at its step. The rule is applied to the whole catalog, not chosen for these two after the fact. Nothing here is ranked by commission and nothing is called best.

DeWalt Level 2 EV Charger, 40 A vs DeWalt Level 2 EV Charger, 48 A

Paired because they are the same brand one step apart on output current: 40 amps against 48 amps, each represented by that brand's cheapest model carrying a verified price at its step. Prices checked November 2, 2026.

Specification	DeWalt Level 2 EV Charger, 40 A	DeWalt Level 2 EV Charger, 48 A
Verified price	$499.97	$499.97
Output power	9.6 kW	11.52 kW
Max output current	40 A	48 A
Cable length	25 ft	25 ft
Connector	J1772	J1772
Product type	Level 2	Level 2
Form factor	Wall-mounted	Wall-mounted
Warranty	3 years	3 years
Enclosure	NEMA 4X (IP66)	NEMA 4X (IP66)
Safety listing	CSA certified	CSA certified

Where they actually differ

Output power: 9.6 kW against 11.52 kW.
Max output current: 40 A against 48 A.

Nothing here is called best. The table states what each one publishes, verified against a primary source or left blank, and the choice is yours.

DeWalt Level 2 EV Charger, 40 A vs DeWalt Level 2 EV Charger, 48 A questions

What is the difference between the DeWalt Level 2 EV Charger, 40 A and the DeWalt Level 2 EV Charger, 48 A?: Every difference this database records is in the table above, and there are 2 of them. Paired because they are the same brand one step apart on output current: 40 amps against 48 amps, each represented by that brand's cheapest model carrying a verified price at its step.
How were these two models chosen?: Paired because they are the same brand one step apart on output current: 40 amps against 48 amps, each represented by that brand's cheapest model carrying a verified price at its step. The rule is applied to the whole catalog, not chosen for these two after the fact. Nothing here is ranked by commission and nothing is called best.

Full specifications: DeWalt Level 2 EV Charger, 40 A and DeWalt Level 2 EV Charger, 48 A.

How these numbers are checked.

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