Quantity: 4 VMAX SLR155 Vmaxtanks AGM Deep Cycle 12V 155ah SLA batteries, rechargeable and suitable for use with PV solar panels, smart chargers, wind turbines, and inverters. These heavy-duty AGM batteries feature special plates and top-tier plate separators, endowing them with exceptional performance and unparalleled deep cycle capabilities. They incorporate an AGM electrolyte suspension system and are constructed with custom-built military-grade alloys. They boast rapid charge delivery capabilities and an extremely low self-discharge rate. Designed for safety in confined spaces, they are spill-proof, emit no toxic fumes, and have sealed, non-spillable, non-hazardous construction. Their deep cycle abilities are enhanced by a 99% gas recombination capability, and they require no maintenance aside from periodic surface cleaning and post-tightening.