Wait until zero and your batteries will be charged automatically.😉. For charge by hand: 1. Stop all Energy Plan 2. Open Settings with icon in upper right corner. 3. Use menu AC input and Output settings. 4. Check AC Input mode (To Battery) and select your input power. Do not forget to press button "Save", too. Now your Hyper will charge the batteries. Remember, it always takes time, until the new settings are in progress.