AW 18650 - flat top vs. button top

ScottsoSmith

Newly Enlightened
Joined
Sep 20, 2011
Messages
67
Location
New Jersey
Hello All,

Thank you for a great forum.

I am about to receive a JetBeam BC40, which can run on 4 CR123s or 2 18650s. I am going to order some protected AW 18650s and a Pila charger (based on all of the positive discussion on this forum). I see that AW makes several different capacities, but it appears that only the 2200 mAh is a button-top. My questions are:

1. Will flat-top AWs work in the BC40? I understand there are some raised dots to ensure battery to battery contact in series applications, but I am imagining the mechanical polarity proetection found in some devices (possibly the BC40) would prevent proper contact with flat top batteries.

2. Even if the flat-tops are OK in the BC 40, I would like the batteries to be sutiable for other flashlights that I may acquire in the future. Am I better off with button-tops to ensure maximum compatability for other lights?


Your assistance is greatly apprecaited.

Regards,
Scott Smith
 
BC40 works fine with flat tops.

Most lights works with flat tops, but you also have to look at the length and the diameter of the battery, a few lights has some limitations there.

Like the BC40, it will not work with Callies, they are to fat.
 
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