Cloudenergy 48V 150Ah Stackable LiFePO4 Deep Cycle Rechargeable Battery (DD48V-150Ah-Stackable) FEATURES: Industry-Leading Capacity: 7.68kWh usable power per stack module Arctic-to-Desert Resilience: -4°F to 131°F full-performance operation Military-Grade LiFePO4: 6,000+ deep discharge cycles guaranteed Premium Conversion Efficiency: 99% round-trip energy utilization HexaShield™ Safety System: 20+ protection layers including thermal runaway prevention Global Compliance: UL1973, CE, UN38.3, IEC62619 certified Disaster-Proof Engineering: Zero fire risk even under extreme stress testing Infinite Stackability: Expand capacity without performance compromise SPECIFICATIONS: Parameter Value Nominal Voltage 51.2V Nominal Capacity 150Ah Energy 7680W Standard Charge Voltage 58.4V Discharge Cut-off Voltage 40V Standard Charge Current 50A Max. Charge Current 100A Max. Constant Discharge Current 100A Peak Discharge Current 120A @30s Dimension 650*420*180mm 25.6*16.53*7.08in Weight 61.5kg 135.5lb Cycle Life 6000+cycles Charge Temperature 0~60 °C Discharge Temperature -20~ 60°C Storage Temperature 10~ 45°C