Customized professional design tailored for Insta360 Ace Pro/Ace action cameras, ensuring optimal charging compatibility and performance. 2-in-1 functionality: serves as both a charger and a protective storage case, safeguarding batteries from wear, tear and misplacement. Smart dual-bay charging technology: independent charging bays allow two batteries to be charged simultaneously, with intelligent charge management to prevent overcharging and enhance safety. Intuitive charging indicators: clear LED indicators show red when charging and green when fully charged, providing at-a-glance status of each battery. Use scenarios - On-location shoots: charge two batteries at once while keeping them safely stored in the unit, ensuring you can swap batteries quickly between takes. - In-studio or for travel: an all-in-one solution that both charges and protects spare batteries, reducing clutter and simplifying setup. - Extended filming sessions: parallel charging minimizes downtime between shots, helping you stay productive during long sessions without risking battery performance.