Panasonic 3D Brille TY-ER3D4SE, TY-ER3D4ME, TY-ER3D4LE 3,7 V 40mAh LiPo Akku

The two batteries for the Beoplay E8 earbuds can be foundhere &here. Built-in protection circuit (PCM) prevents over charging/discharging.

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