This is the large current switching adaptor for chargers.
Specifications:
Model: 500-12
Input: AC 115V (14A) or 230V (7A) (AC input voltage can be selected by switch)
Output: +12V DC 40A
Size: 17 x 12 x 9.5 cm
Aluminum case with fan.
Includes/Requires:
Includes:
1 x switching adaptor
Requires:
AC wall plug lead.