18650 Battery Compatibility

Benjblt

WKR
Joined
Dec 1, 2016
Messages
1,277
Location
Western Oregon
So I really like having compatibility between different gear items. I was looking for a a head lamp that has a 18650 battery that is compatible with my Surefire weapons light. Peax has the same flush positive end but the Surefire battery is a 3.6 Volt, 3500 mAh, 12.6 wH battery. Peax is 3.7 Volt, 3600 mAh, and 12.9 Wh. Would they still be interchangeable?
 
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