This high-capacity battery turns your 12V Brass Monkey Fridge/Freezer into a battery-operated model, enabling you to keep your food and drinks cold for many hours while you are away from a power source. With its 15,600mAh rated capacity, the Li-ion battery pack can keep a 50L fridge cool at 5 degrees for up to 20 hours when the ambient temperature is 25 degrees. Long enough for a day at the beach, a day out on the water, an all-day picnic in the park, or at home during extended blackouts. There are also dual USB ports so you can charge your USB powered devices such as Smartphones, Tablets, portable speakers, etc. To charge, simply connect to 12V power and the internal charging circuitry takes care of the rest. Also compatible with other fridge brands that use the C11 power connector. Delivers ample power to ensure optimal performance of your fridge, keeping your food and beverages cool and fresh even in remote locations Offers a long-lasting power supply, allowing you to use your fridge for extended periods without worrying about running out of power Designed with convenience in mind, this battery is lightweight and easy to carry, making it ideal for outdoor enthusiasts who value mobility and flexibility