Key Features & SpecificationsThese lanterns typically include a variety of practical functions:Dual Charging: Many models, such as the HG-1664 and HG-1665, support both AC electric charging and solar charging via an integrated or external solar panel.Built-in Battery: They often come with a 4V rechargeable battery, with capacities ranging from 2500mAh to 4000mAh.Adjustable Modes: Most models feature multiple brightness settings (e.g., high/low beam) and can operate for several hours depending on the number of tubes used.Mobile Charging: Some versions include a USB output port, allowing the lantern