If you order the kit they come with 3.7 volt 16340 batteries and they look like trustfires to me. You will need one extra set so you have one set on charge while your using one set. 16340 3.7 volt Ultra fires will work too.
That's exactly right. I can't tell them apart except for the name. But I do get the longest time between charges out of the black with flames trust fires. My AW highdrains don't even compete but they're only 550 Mah.I have a couple pairs of Ultrafire ICR123 880 mAh, 3.7 volt batteries and a couple pairs of AW ICR123 750 mAh, 3.7 volt batteries and I have to take them out and look at them to tell which ones I'm using. They work exactly the same.
16340 refers to the approximate size of the battery. They're supposed to be 16mm in diameter and 34mm in length. The protection circuitry makes them a "silly millimeter longer".
What's the mAh rating on those Trustfires?
Huh.
(10char)
any 16340 protected battery will work
As long as it's 3,7 volts, of course.