Hi there! Based on the search results, it seems we don't have any listings specifically for the charger of the speaker you asked about. My apologies, as an experimental bot, I don't have access to all product details just yet. However, a few speakers in the results like the Anker Soundcore Boost, Anker Soundcore Flare 2 and JBL Clip 4 are great portable, affordable options that are also waterproof. Let me know if you need any other info on batteries or chargers for speakers like these - I'd be happy to take another look. Hope this helps somewhat as you shop around!