Foil Drive Slim Battery (3 Options) hardwarewindsurf earplugs developed for children

earplugs developed for children

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Foil Drive Slim Battery (3 Options) hardwarewindsurf earplugs developed for childrenFoil Drive Slim Battery There are 3 battery options for the Foil Drive Slim: Endurance Performance Travel Click here to learn about the difference between our Gen1 and Gen2 batteries. ENDURANCE The Foil Drive Slim Endurance Battery is the larger SLIM battery with 241Wh capacity. The Endurance Battery is great for those who are wanting to lengthen their runtime with the Assist Slim, however, due to the lower voltage this battery does not provide the