# Garmin Venufenix > Analysis by Optimly for Optimly AI Visibility, in the Optimly AI Brand Index. Last analyzed August 9, 2026. > A replacement Li-Polymer battery with model number CS-GMV100SL, specifically designed for Garmin Venu and Fenix 6s Pro smartwatches, featuring 170mAh capacity and 3.8V voltage. It serves as an aftermarket part for device repair. - Business Profile: https://optimly.ai/brand/garmin-venufenix - Publisher: Optimly (https://optimly.ai) - Dataset: Optimly AI Brand Index (https://optimly.ai/brand) - Official website: https://tomtomrepairteam.co.uk/ - Logo: https://logo.clearbit.com/tomtomrepairteam.co.uk - Slug: garmin-venufenix - Brand Authority Index tier: Emerging - Archetype: Challenger - Category: Consumer Electronics Accessories - Last Analyzed: August 9, 2026 ## Buyer Intent Signals Problems: Professional Smartwatch Repair Service: Engaging a specialized repair shop or the official manufacturer's service center to replace the battery, potentially at a higher cost but with professional assu | DIY with generic battery: Attempting to source a non-specific or generic battery and performing the replacement, which carries risks of incompatibility, damage, or safety issues. | Continue with poor battery life or discard: Deciding not to replace the battery, leading to continued poor device performance, or ultimately discarding the smartwatch. Solutions: Garmin Venu battery replacement | Fenix 6s Pro replacement battery CS-GMV100SL | Smartwatch battery repair parts UK | Purchase a New Smartwatch: Opting to replace the entire Garmin smartwatch with a new device rather than repairing the existing one, especially if the watch is old or other components are failing.