MONBAT High quality European made deep cycle AGM batteries. This particular model is the preferred choice of telecom companies, this new model works much better in partial state of charge. Better than any other battery you can imagine. its one of the best in the world especially in hot climate, it doesn’t expand like Gel batteries, each battery with accessories like temperature sensor, technical vasline grease,3connectors, 1 spacers,4-central degassing system, you must buy. last very long , maintenance free. its made in Bulgaria , European standard, extremely rugged, eco friendly, very long life span.