Here are the details and specifications of this integrated device: Built-in Battery: Rechargeable 6V 4Ah Lead-Acid battery. Operating Time: Lighting lasts up to 18 hours. Charging Methods: Supports two charging methods; either via household electricity (AC) or through the included solar panel. Ports and Features: 5V USB output for charging smartphones and mobile devices as a travel charger (Power Bank). Smart indicator light that shows charging status (lights up red during charging, turns green when complete). Accessories included in the box: Built-in main flashlight with front and side LED lighting. External solar panel. 3 external LED bulbs with separate wires to illuminate the entire area or tent. Multi-head charging cable (4 in 1) for charging different types of mobile phones.