12V Battery Box for 30Ah/20Ah/10Ah LiFePO4, Waterproof 12V Marine Case with 100A Master Switch, Anderson Plug, Dual QC3.0 & PD Fast Charger, 30A Connectors for RV, Camping, Boat, Trolling Motor

["【Upgraded 100A Master Switch for Full Control】 Equipped with a heavy-duty 100A rotary switch to control the entire box's circuit system. Easily cut off or restore power with one twist, preventing battery drain during storage and ensuring ultimate safety for high-draw devices.","【Versatile Compact Size & Flexible Compatibility】 Specially tailored for small-to-medium-sized deep cycle batteries. Fits 10Ah, 16Ah, 18Ah, 20Ah, and 30Ah LiFePO4/Lithium batteries perfectly, making it an ideal portable power station setup without taking up valuable space.","【High-Speed Charging Ports & Real-time Voltmeter】 Features upgraded Dual QC3.0 and PD USB fast-charging sockets to power your smartphones, tablets, and laptops rapidly. The built-in digital LED voltmeter lets you monitor your battery voltage at a glance to prevent over-discharging.","【Solar-Ready Anderson Plugs & Heavy-Duty Terminals】 Includes high-quality 30A Anderson plug for effortless solar panel input or high-current output, plus 30A heavy-duty binding post terminals. Wiring inside is professionally arranged and reinforced with built-in overload protection fuses.","【Waterproof & Rugged for Outdoor Adventures】 Constructed with premium high-impact material, the lid seals tightly to provide excellent waterproof and dustproof protection. Perfect for harsh outdoor environments, including ham radio field days, hunting, camping, marine boats, and trailers."]