... you're now referring to current limit. Probably the eWerk (which uses a buck and boost) has a 500mA limit for one or both of it's chipsets. This is normal ...
ABSOLUTELY NO!!! - Dear Mr. Acharnley, very frankly speaking I'm becoming more and more convinced that you might not understand very much of electricity. I'm a bit afraid too that you don't even know anything about other products you want to compete with. So please, and of course I do apologize for that, accept my suggestion: simply try to find a different strategy for marketing your D1!!