Is there any "7.2-8.4v" 4.4+Amp G4 bi-pin bulb for the SF Turbohead?

[Outdoors Fanatic]

It must be able to handle at least a pair of 18500 IMR cells. In case there isn't anythnig out there like this, I might go ahead and try the MN21... I'm basically looking for an output in the M6 HOLA and ROP High ballpark.

Thanks in advance.