I have just bought this headlamp & play it several days.
With 3 mode switching 1W, it will an killer if the runtime can be longer.
For 3xAAA alkanine cells say 1200mah, isnt it very inefficient that only 1 hour output for 1W? /ubbthreads/images/graemlins/icon3.gif
The efficiency of the convertor board seems below 50%...??
And anyone one have try measure the current drive from the cells?
With 3 mode switching 1W, it will an killer if the runtime can be longer.
For 3xAAA alkanine cells say 1200mah, isnt it very inefficient that only 1 hour output for 1W? /ubbthreads/images/graemlins/icon3.gif
The efficiency of the convertor board seems below 50%...??
And anyone one have try measure the current drive from the cells?