How long does it take to charge a Minelab Equinox Battery? Leilani Rodriguez January 28, 2021 12:29 Updated Question: How long does it take to charge a Minelab Equinox Battery? Answer: It take 4 hours to full charge a Equinox the 1st time. Relevant to: Minelab Equinox Related articles I want to buy a Minelab Equinox, but I'm concerned about the sealed battery. Can I replace it? Comments 0 comments Please sign in to leave a comment.