7.4V 3000mAh 3 Wires Battery Pack 18650 7.4V 2S Lithium ion Battery With PH2.0-3P plug For megaphone speaker Small Player

7.4V 3000mAh 3 Wires Battery Pack 18650 7.4V 2S Lithium ion Battery With PH2.0-3P plug For megaphone speaker Small Player

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