The Ultracell DCGA (Deep Cycle Gel) UCG 12 V 35000 mAh rechargeable lead-acid battery is a type of deep-cycle battery that is designed for use in a variety of applications, including solar power systems, backup power systems, and recreational vehicles. One of the key features of this battery is its high capacity of 35000 mAh. This means it can store and deliver a large amount of energy over a long period of time. The high capacity of the battery makes it suitable for use in applications that require a steady and reliable power source, such as powering lights and other electrical equipment in a remote location.