How long does it take to charge the battery? It take 2.5-3 hours for our 1800 mAh battery and 3-4 hours for our 3400 mAh Xtend battery pack. By Sean McWard|2021-03-08T01:00:37-06:00March 8, 2021|General|Comments Off on How long does it take to charge the battery? Share This Story, Choose Your Platform! FacebookXRedditLinkedInWhatsAppTumblrPinterestVkXingEmail About the Author: Sean McWard