Features: 1.Portable Battery Case: With battery quick connector, dual USB sockets, 12V voltage indicator, circuit breaker and manual reset switch. 2.Marine Use: The battery box with 10A circuit breaker can be safely and easily connected to the battery port without opening the box. 3.Wide Application: The battery box is widely used in RV SUV ATV camping truck motorcycles, convenient to connect various DC accessories. 4.Durable Construction: Made of impact resistant ABS housing, allows the box to withstand impact and is not affected by acids, gases, oils, and UV rays. 5.Reset Switch: The integrated reset switch effectively protects your tractor trolling motor, which is not easy to break, wind, rain and dust for your outdoor use needs. Specification: Item Type: Marine Battery Charger Box_x000D_ Material: ABS_x000D_ _x000D_ 1. Digital voltmeter_x000D_ 2. Switch_x000D_ 3. Dual port USB (5V, 2.1A/1A)_x000D_ 4. Power socket (12V)_x000D_ 5. Solar charging high current waterproof interface with 30A fuse_x000D_ 6. Terminal post positive and negative levels_x000D_ 7.10A circuit breaker_x000D_ Inner Box Size: Approx. 350x180x200mm/13.78x7.09x7.87in_x000D_ Application:_x000D_ Suitable for most 100Ah batteries, 24in battery packs are used, and the maximum battery capacity can reach 115Ah Note: The positive and negative terminals on the outside of the battery box do not have fuses, ensuring that fuses or circuit breakers are installed if necessary.