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Keystone Electronics 18650 Battery Holders are ideal for 3.7V, high energy, lower weight mobile electronics, industrial, and telecomm applications that have circuit protection to prevent battery damage. The 18650 battery holders are engineered to withstand the rigors of abuse and recharging cycles associated with the 18650 Lithium-ion cell usages. The holders feature snap-in PC contacts to assure stability during wave soldering and are clearly marked with polarity identification to assure proper orientation.
This specific battery holder can hold two separate 18650 batteries at once.