Bigcan 3-Bay Charging Case for Osmo Action 3/4 — Fast-Charge Battery Storage with Dual microSD Slots & Power-Out (116.2×59.2×22.9mm, 110g)

All-in-one charger and storage case built for Osmo Action 3 and Osmo Action 4 batteries. This compact Bigcan unit fast-charges up to three batteries at once while keeping them stored securely — ideal for travel, shoots, or everyday carry. Two integrated microSD slots accommodate 2 cards so your media stays organized alongside your power. When batteries inside are charged, the case can deliver portable power to phones and other devices via its output. The case measures 116.2×59.2×22.9mm and weighs 110g, making it easy to slip into a camera bag or pocket without added bulk. Engineered for compatibility with Osmo Action 3 & 4 cells, it features automatic power management and safe energy distribution to protect batteries and connected devices.