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Nitecore NL1834R 18650 3400mAh 3.6V Protected Lithium Ion (Li-ion) Button Top Battery with Built In Micro-USB Charging Port
How to do a correct test and determine whether a 18650 li-ion is a protected or non-protected battery - Quora
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Review and analysis of XTAR 3600 mAh 18650 Li-Ion protected battery | Rip It Apart - Jason's electronics blog-thingy
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