MIIWWOWO Leisure Battery Box with Dual USB, Strap, and 12V DC Output for Caravan, Camper, Boat, Motorhome

【Dual USB】This multifunctional battery box has dual USB port design, independent switch and power pickup design, and also real-time voltage monitoring to keep track of power usage. 【Easy to Carry】It can be carried with you and charged when you go out. It is more convenient to get electricity, and real-time monitoring of voltage makes going out and camping more enjoyable. 【Good Pressure-resistant Effect】double fixed base with fixing straps: the use of pressure-resistant materials, so that the product has a good pressure-resistant effect, will not be easily damaged, prolonging the service life. 【Thoughtful Design】This portable battery case is equipped with battery terminals for easy connection of wires, and there is a built-in battery gauge inside the case that displays the current charging status, making it easy for you to observe the charging status. 【Application】Suitable for small-boat transom applications.