As far as I know, they are..

They sell the batteries and accesories lijexweed eater line at walmart.. question is if they've changed the battery design, which lots of camera companies do religeously..

Gopro is the worst.. every year they come me out with a new model.. Very little difference from year to year, but every year they change the battery design and charger setup.. plus they also usually change the underwater housing and filter mount areas, so you hafta buy new batteries, charger, underwater housing, and filters.. it's a ripoff..

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Friendship is like peeing your pants.. Everybody can see it, but only you can feel the warmth..