Note: The box is usually sold without the battery (Battery not included), and requires purchasing a separate compatible battery. Lumeno Portable Battery Box made of strong ABS plastic, suitable for camping trips, cars, and off-road trips (RV), designed to accommodate Lead Acid or Lithium batteries. Key Specifications and Features: Usage: Powering portable refrigerators, lighting, and electronic devices in the wild and on trips. Ports and Outputs: Contains several connection ports such as Anderson ports, cigarette lighter outlets, USB ports, and voltmeter screens to display voltage. Battery Box 25Amp DC to DC with MPPT 12V Battery Box with DC-DC Charger 25A, 3x 12V, 2x Dual USB/QC3.0, 6x 50A Anderson, 175A Connection, Voltmeter, Solar Input and Alternator – for Solar, Boat Charging and Power Management Built-in 25A DC to DC Charger: Allows direct charging of the internal battery from the car's alternator while driving effectively. MPPT Solar Charge Controller: Supports connecting solar panels to maximize sunlight utilization and convert it into power for battery charging. High Compatibility with Inverters: The box is compatible with inverters up to 1200 watts to power devices operating at 220 volts. Available Inputs and Outputs Solar Outputs: 50A Anderson connector. Additional Connection Sockets: Contains 6x 50A Anderson connectors plus a large 175A main connector. Smart Device Charging: Dual port supports QC3 fast charging technologies and a Type-C port for charging phones and tablets. Cigarette Lighter Sockets: Two female cigarette lighter sockets for powering travel refrigerators or lighting. Multi-function Digital Display Screen: For monitoring battery charge level and voltage (Volt Meter). Size and Compatibility Specifications Suitable Battery Dimensions: Accommodates batteries up to 34(L) x 18.5(W) x 23.5(H) cm. Battery Types: Compatible with all battery types (e.g., Gel, AGM, or Lithium batteries). Important Note: The box does not include the internal battery; you must purchase a suitable battery for your needs and place it inside to activate the system.