![]() Sometimes the smooth top of the battery won’t give you enough friction to pull it out. Instead, you push down on the battery, and then slide it out. It doesn’t come out that easily - it is secured by a little spring and just pulling it out won’t do. Open the battery holder, and you’ll see the battery right here: You can leave it in the battery holder if you like, but I prefer to take it all the way out and place it somewhere safe - that way you can’t lose it. Take your screwdriver (flat, 0.8 x 4) and loosen the screw. Right at the top, you see the battery door (also: battery holder) - being held in place by that little screw. The battery is stored in the shifter hood, so pull back the lever cover to get to it: There’s a guide showing you how to replace the battery below, but if video is more your thing, I’ve uploaded one to YouTube and embedded it here: Replacing this battery is an easy affair, and takes about two minutes. ![]() The hydraulic shifters have wireless functionality, and this works using a CR 1632 battery. Replace your ST-R9270 / ST-R8170 shift lever battery If the circle is red, indicating a low battery level, replace yours within a month. That’s it! You will now see the battery charge level indicated by either a green or a red circle. Next, it’ll prompt you to press a button on the right lever. To check the battery status for your levers, tap that ‘refresh’ icon - see the red arrow above.Į-Tube Cyclist will ask you to press any of the buttons on your left lever, to ‘wake up’ the shift lever. This is where you’ll see your shifters and their battery level, as well as the main battery - BT-DN300.Ĭhances are though, that your shift levers don’t immediately show their battery level. Make sure Bluetooth is enabled on your phone, start E-Tube Cyclist, and connect to the bike.Īfter connecting successfully, open the maintenance tab. The LED will flash blue, indicating the bike is ready to connect over BluetoothLE. To connect to the bike, press-and-hold the button on the rear derailleur for 0.5 - 2 seconds. The app is available for both Android and iOS, and I’ve put links to the app on my Tools & Software page. 12-speed Di2 systems come with BluetoothLE/ANT connectivity out of the box, so there is no reason not to have the app. If you haven’t downloaded E-Tube Cyclist yet, make sure you do so. Check shift lever battery using E-Tube Cyclist However, if your shifter LED turns red, you have about a month to go before it’ll go completely flat - buy a new CR1632 and replace that battery as soon as possible.Īnd yes, even though they're a bit harder to see, Ultegra and 105 levers do in fact have LEDs. The LED on the shift lever will switch on, indicating the battery level: How? Well, you simply press both shift buttons at the same time for about 0.5 seconds. ![]() This method is by far the quickest and easiest, and it lets you check the battery level on a Di2 wireless shift lever in under a second. Check the shift lever battery on the lever itself My preferred method is to use the buttons on the shift lever itself, so I’ll show that first. There are two ways to check the shifter’s battery level - the first is using the E-Tube Cyclist mobile app, and the other method involves pressing buttons on the shifters itself. Ultegra R8100 ( ST-R8170) and 105 R7100 ( ST-R7170) shift levers and will be updated for new wireless Di2 shift levers as they are released. This guide is written for the DURA-ACE R9200 ( ST-R9270). I’ll show you how to check the battery charge level of your Di2 shift levers, and how to replace the coin cell battery. You’ll need to replace these batteries when they run out (after about two years for Dura-Ace/Ultegra, and four years for 105). There is one CR1632 in each Ultegra/Dura-Ace hydraulic lever, and two CR1632 batteries in the 105 Di2 shifters. These shift levers are powered by coin cell batteries. Twelve-speed hydraulic Di2 shift levers can be set up to shift wirelessly.
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