Rechargable battery conversion kit for Maglite 2D Flashlights.
Original High Quality 26650 Battery 18800mah 3.7v 50a Lithium Ion Rechargeable Battery For 26650 Led Flashlight + 18650 Charger - Rechargeable Batteries - AliExpress
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A&S Power 26650 3.2V 2500mAh 20C LiFePO4 Battery Cell
Dedeman - Acumulator Li-Ion Pni 26650, 3.7V, 8000 mAh, compatibil cu lanternele PNI Adventure F420 - Dedicat planurilor tale