2PCS 2×3.7V 18650 Portabatterie con Coperchio, 2x18650 7.4V Batteria Plastica 2

2PCS 2 × 3.7V 18650 Battery Holder with Cover, 2 x 18650 7.4V Plastic Battery Storage Box with ON/OFF Switch and DC Plug 5.5 × 2.1MM 2 Solts Holder Case for 3.7V 18650 Battery. Battery Type: 2 × 3.7V 18650 Battery.

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