Rocket ES 55-12 AGM-VRLA 12V-55Ah Battery: This AGM-VRLA battery shines with a 55Ah capacity at 12V, coupled with Absorbent Glass Mat (AGM) technology for maintenance-free and reliable operation. From uninterruptible power supplies (UPS) and renewable energy storage to industrial backup systems, the Rocket ES 55-12 excels in delivering consistent and efficient power.