XH2.54 plug 18650 lithium ion rechargeable battery 3.7V 3000mAh with PCB for speakers, radios, headlights, toys, etc. 4.2V

XH2.54 plug 18650 lithium ion rechargeable battery 3.7V 3000mAh with PCB for speakers, radios, headlights, toys, etc. 4.2V

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