This battery is optimized explicitly "For Solar Use Only" as indicated on its lower front label. It performs ideally when powering:Small off-grid residential setups (powering LED lights, TVs, decoders, or fans)Inverter backup configurations and uninterrupted power supplies (UPS)Small commercial kiosks, remote telecom nodes, or outdoor camping equipmentModel Number: 6FM-50AHNominal Voltage: 12VRated Capacity: 50Ah at a 20-hour discharge rate (20HR)Battery Type: Sealed Valve-Regulated Lead-Acid (VRLA) / Gel Deep Cycle (Dry Cell)Design Standard: German Standard QualityInternal Resistance: Approx. 0.015ΩSelf-Discharge Rate: Extremely low, under 3% per month at 25°C (77°F)Operating Temperature Range: -20°C to 60°C (-4°F to 140°F)