Outback Power EnergyCell 5.1kWh 48 Volt Stackable Heated Lithium Battery Module

Outback Power EnergyCell 5.1kWh 48 Volt, Stackable Heated Lithium Battery Module The Outback Power EnergyCell 5.1 is a 48V, 5kW-rated lithium iron phosphate (LFP) battery module designed for scalable residential and commercial energy storage systems. With integrated heating, IP65 outdoor rating, and stackable architecture supporting up to 24 modules, this battery delivers long-term reliability and high-performance energy storage. Outback Power EnergyCell 5.1kWh 48V Lithium Battery Features 5.12kWh Nominal Capacity – high-density LFP battery chemistry for stable performance 5kW Continuous Output – dependable charge and discharge capability 7.68kW Peak Power – 2-second surge handling for demanding loads Integrated Heating – optimized performance in cold environments IP65 Outdoor Rating – weather-resistant enclosure for indoor or outdoor use Stackable Design – 3–8 modules per stack, up to 24 modules total RS485 & CAN Communication – inverter and system integration ready 125A Internal Breaker – built-in battery protection 8000 Cycle Life – rated at 0.5C, 80% DoD, 25°C 10-Year Warranty – long-term manufacturer-backed support Outback Power EnergyCell 5.1kWh 48V Lithium Battery Applications Residential Energy Storage – whole-home backup and solar self-consumption Commercial ESS Systems – scalable storage for higher load demands Hybrid Solar Installations – compatible with CAN/RS485 inverter systems Cold Climate Installations – integrated heating for low-temperature charging Outdoor Energy Storage – IP65-rated enclosure for exposed environments What's Included Everything you need is included with your product. 1 × EnergyCell 5 Battery Module 2 × Red & Black Power Cables (2 AWG, 6 ft / 180 mm each – 2 Red, 2 Black) 4 × Screws 4 × Expansion Anchors 2 × Wall Brackets Warranty 10-Year Manufacturer Warranty Outback Power EnergyCell 5.1kWh 48V Lithium Battery Specifications General Characteristics Specification Value Model Name EC-FE5148 Product Type Low-voltage LFP battery pack Battery Type Lithium Iron Phosphate (LFP) Nominal Energy Capacity 100Ah Nominal Voltage 51.2Vdc Voltage Range 44.8–57Vdc Usable Energy (DoD %) 100% (80% recommended) Continuous Charge/Discharge Power 5kW (2.5kW recommended) Peak Power (Duration) 7.68kW (2 seconds) Communication Protocols RS485, CAN Electrical Characteristics Specification Value Charge Voltage Range 56.0+/-0.8Vdc Discharge Cut-off Voltage 44.8Vdc Max Continuous Charge Current 100Adc (50Adc recommended) Max Continuous Discharge Current 100Adc (50Adc recommended) Max Parallel Units 24 EnergyCell 5 battery modules, 3 EnergyCell 5 control modules Protection Features Specification Value Recommended Charging/discharging rate 0.5C Short circuit protection >250Adc for 0.1ms Battery Breaker 125Adc Interrupt current rating 10kA Other Specifications Specification Value Certifications and compliance UL 1973, UL 9540 DC ESS (pending), UL9540A, UN 38.3 Warranty and lifecycle ≥8000 (0.5C@25°C, 80%DOD) 10 years Cycle Life (80% capacity) 8000 Design Life >10 years Frequently-Asked Questions How many modules can be stacked? Up to 24 battery modules can be connected (3–8 per stack configuration). Is this battery suitable for outdoor installation? Yes. It is rated IP65 for outdoor use. Does it include heating? Yes. The module includes integrated heating for cold-temperature charging. What is the cycle life? Rated for 8000 cycles at 0.5C and 80% DoD. Manual OutBack EnergyCell 5 – User Manual OutBack EnergyCell 5 Integration