Important: Version F not compatible with S19j Pro if serial code digits 5-7 are D4A/D4B/D4C/D4E/D4D

There are various types of APW12 power supplies, so it's crucial to pay attention to the model and version when using them.

Currently, the primary APW12 power supply models include: APW121215, APW121417, and APW12A. These power supplies cannot be used interchangeably, and their main differences are listed below.

APW121215 is a widely used power supply at present, compatible with most of the 19 series models. The four-digit number 1215 following APW12 indicates an output voltage of 12-15V. There are multiple versions of this power supply, including a, b, c, d, e, and f, with the following compatibility guideline:

APW121215 a, b, and c versions are compatible with each other (lacking voltage feedback). b. APW121215 d, e, and f versions are interchangeable (featuring voltage feedback). c. APW121215 d, e, and f versions can replace a, b, and c versions by updating the firmware. However, a, b, and c versions cannot replace d, e, and f versions.