Description: 【Universal】This battery box internal size: 35cmx18cmx20cm, suitbale for most batteries, including automotive, marine, boat, RV, and other vehicles commercial batteries. 【Premium Material】Our RV Battery Box is crafted with high-quality, rugged materials designed to withstand harsh conditions. It ensures maximum protection for your battery, safeguarding it from physical damage and weather elements. 【Easy to Use】Portable Battery Box features with external battery ports. Safely and easily connect your trolling motor or accessory to the battery ports without opening the box. 【Compact & Portable】Marine Battery Box is compact and does not take up much space. Its efficient design allows for easy to transport and storage, making it an ideal choice for all your motor battery needs.【Features】Equipped with strap, built-in LED Battery Meter. Measure battery charge level with the push of a button. Includes USB charger (5V - 0.5Amp) and one 12V accessory port for charging of accessories. Specification: Material: PP Size Chart: Outer Size: 40cmx24.5cmx27cm/15.75inchx9.65inchx10.63inch Internal Size: 35cmx18cmx20cm/13.78inchx7.09inchx7.87inch Package Includes: 1 Battery Box 1 Strap Note: Please allow slightly errors due to manual measurement and different monitors.