Shimano Di2 Battery Replacement/Di2 Battery Not Charging(complete strip and rebuild, cost £13.99)
Shimano Di2 Battery Replacement (complete strip and rebuild). After my Di2 battery kept losing charge, I stripped down the battery unit and tested and then replaced the 2 Litihium Ion 14430 batteries. This is a guide on how to strip and rebuild the unit. Total cost was £13.99 compared to a new Di2 battery of £135.00. The batteries in the link I have attached have soldering tabs on them in case you are concerned by soldering direct to the battery and I've shown how to test your batteries before buying new ones. Please note that i mentioned the batteries are connected in parallel but i should have said they were connected in series Batteries https://batteriesplus.co.uk/cgi-bin/s... Tools required Small flat screwdriver Solder iron and solder
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