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Nitecore NL1834 18650 3400mAh Battery - Protected Button Top
NITECORE NL1834 type 18650 Li-Ion battery 3400mAh
NITECORE NL1834R 3400mAh 18650 Battery High Performance Micro USB Rechargeable Li ion Battery 12.24Wh 3.6V for LED Flashlight|Portable Lighting Accessories| - AliExpress