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

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

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