Feature: 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 BoxMaterial: ABS .1. Digital voltmeter 2. Switch 3. Dual port USB (5V, 2.1A/1A) 4. Power socket (12V) 5. Solar charging high current waterproof interface with 30A fuse 6. Terminal post positive and negative levels 7.10A circuit breakerInner Box Size: Approx. 350x180x200mm/13.78x7.09x7.87inApplication:Suitable for most 100Ah batteries, 24in battery packs are used, and the maximum battery capacity can reach 115Ah Package List: 1 x Marine Battery Charger Box1 x Fastening Strap1x Card Slot 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.