Yes Jouna, the H1-A is a regulated DC-DC converter, limited by 10A input current and a maximum voltage output of 12.6V (requires modification). Thus, it's effective safe output limit is ≈25W. Can drive in series triples.
Related Jensen567 thread: Buck and Boost Drivers, Testing, Modding, and Discussion
Thanks for the tip AgentSteel, not interested in getting more sheesh right now. I'd been looking for a good DIY host with nice driver boot and I've found it: the ThorFire TA13.
We'll see.
