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Amazon.com: 180mAh/3.7V Replacement Battery for Garmin Forerunner 645 Forerunner 220 361-00072-10 361-00086-10 361-00086-11 361-00086-00 : Electronics
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Amazon.com: Replacement Battery for Garmin Forerunner 220 225 235 630 735XT Approach g10,fits Part No 361-00072-10 361-00086-00 : Electronics
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![6 year old forerunner 220 doesn't hold a charge anymore. The battery used to last 8 hours, now I'm lucky if I get 4. Do you have any tips to fix this? 6 year old forerunner 220 doesn't hold a charge anymore. The battery used to last 8 hours, now I'm lucky if I get 4. Do you have any tips to fix this?](https://preview.redd.it/jkmvrlkajab51.jpg?width=640&crop=smart&auto=webp&s=b1fdae053587a6f91d8c1c6433fa21a1435ebb7f)
6 year old forerunner 220 doesn't hold a charge anymore. The battery used to last 8 hours, now I'm lucky if I get 4. Do you have any tips to fix this?
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