I’ll let you know once mine comes in. My HD2010 just came in today and I love it! Its about equal to my UniqueFire UF-V6. HD is slightly brighter… only noticeable against a wall shot. The UF-V6 has tighter hotspot (1/3 of hd2010), and less spill. A couple more weeks, and I’ll see how it compares.
As a sanity test for your runtime graph which seems flat across entire lithium range, can you see if 1 cell has exact same output as 2? Or even better, it is possible to test boost capability with 2 AAs (directly with DMM)?
With 1 cell: yes, if the cell is good enough with low internal resistance. Probably the driver will not hold the constant current over the whole liion range, but in the first part of the discharge phase it will be regulated.
It will not work with 2 AAs surely, it’s not a boost driver.
Ok, I've been pondering this light for weeks, as it looks like it will make a great bike light. Decided to take the plunge today, have it in my Shopping Cart and want to add the extra $2 for registered air mail upgrade. I cannot for the life of me figure out how to add it - anyone here know?
If you are talking about manafont, then there already is registered shipping included. (for orders over $20)
edit:I actually tried to avoid registered shipping while ordering a ZY-T13 (i try not to cumbersome the mailman more than necessary) but couldn’t.
I placed an order for 2 lights half a day ago and they have already shipped.
Probably in a TwoFake block. The elongated shape might make it harder in some of the hard plastic mounts, which tend to work only with round tubes. I have 3-4 other mounts I'll try as well.
I messed up both of my Jacobs trying to dedome them. But from what I have seen the ZY-T08 I would say will out throw the Jacob A60 from what I have to go by here at the house in distance.