ray Posted July 5, 2021 Share Good Day. Could anyone offer some advice on the following charging issues I am experiencing with Ultegra Di2 11 speed internal battery; The chargersl that I have functions only when plugged in via a laptop, it does not charge my battery when plugged in directly to the wall socket. Any advice will be appreciated, thanx in advance. ZM Link to comment Share on other sites More sharing options...
Andreas_187 Posted July 5, 2021 Share They actually recommend you charge it via a laptop or something with a low power output ray 1 Link to comment Share on other sites More sharing options...
traaidmark Posted July 5, 2021 Share I have the xtr di2 and have only charged it from a wall socket. I have charged from adapter plug and from a wall unit with usb port. Could have been that both had low enough output to not give issues. Could also be that your version is perhaps newer and has this built in as a safety feature? Sorry, this is zero usable information, other than my assumption that it's supposed to work because it works on mine. ray 1 Link to comment Share on other sites More sharing options...
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