Rrskit Battery Charger Adapter For Shimano 12-Speed Di2 Groupsets Dura-Ace R9200/Ultegra R8100/105 R7100 Electronic Shifting

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Received the 12s Di2 charger that was discussed many pages back when it was a mixed bag quality. This one is branded RRSKit. Looks like a serious factory has taken up this design: no more 3d printing, the casing is cast from ABS plastic, all contacts and ports look solid. Works perfect both with a mains charger and my power bank. Definitely recommend.