Typical Philips: A huge chaos with all the products and the names. Now there is this type of Oneblade here: QP2830/20 (black). And from what I've found out, it's identical to the QP2834/20. The two-named one just comes in grey instead of black. But the QP2830 says "battery operation" here at Galaxus. The 2834 says "battery operation". Is that the case? Does the QP2830 run on batteries? I can't imagine. I only ask because the 2830 is not available here or directly from Philips (out of stock). But the 2834 is. Maybe someone knows what to do. Thanks for any feedback.