Product Description
OutBack Power EC-FE5148 EnergyCell 5.1kWh 48V Heated Lithium Battery Module
The OutBack Power EnergyCell 5.1 is a premium 48V lithium iron phosphate (LFP) energy storage module engineered for high‑reliability residential, commercial, and off‑grid applications. Built for harsh environments, the EC‑FE5148 features an integrated cold‑weather heating system, advanced BMS protection, and a fully modular, stackable architecture that allows seamless expansion into multi‑battery towers.
This module is part of OutBack’s EnergyCell 5 platform, a professional‑grade ESS solution designed for long cycle life, high discharge capability, and dependable performance in mission‑critical power systems. Whether used as a single battery or combined with additional modules, the EnergyCell 5.1 delivers stable, efficient, and safe energy storage for solar, backup, and hybrid installations.
Cold‑Weather Heating System
The integrated heater maintains safe charging temperatures in freezing conditions, ensuring reliable performance in winter climates where standard lithium batteries cannot operate. Ideal for cabins, off‑grid homes, telecom sites, and remote installations.
Modular & Scalable Architecture
EnergyCell modules interconnect using OutBack’s chassis connectors and communicate via RS485/CAN for synchronized operation. Add additional battery modules, a Control Module, and a Base Module to build a complete EnergyCell 5 system with expandable capacity.
Battery Module – Included Components
- EnergyCell 5 Battery Module (x1)
- Red & Black Power Cables – Battery (Degson) to Battery (Degson), 2 AWG, 6¼ in. (2x Red, 2x Black)
- Wall Brackets (x2)
- Screws & Expansion Anchors (x4 each)
- Emergency Shutdown DI/DO Connector & Cable – 59 in.
- 120 Ω RJ45 Terminating Resistor
- Battery-to-Battery RJ45 Communication Cable – 8⅝ in.
- Chassis Connector – Battery to Battery
Technical Specifications
- Energy Capacity: 5.1kWh
- Nominal Voltage: 51.2V (48V class)
- Chemistry: Lithium Iron Phosphate (LFP)
- Continuous Power: 5kW
- Cycle Life: 8000+ cycles @ 80% DOD
- Communication: RS485 & CAN
- Environmental Rating: IP65 outdoor-rated
- Operating Temperature: -4°F to 131°F (Discharge), 32°F to 131°F (Charge)
- Module Weight: 132 lbs (LTL Freight Required)
- Stackability: 3-8 modules per stack, up to 24 modules total.
Freight Shipping Notice
This battery ships via LTL freight due to lithium regulations and weight.
Please contact us before purchasing so we can calculate an accurate freight quote for your location. Freight charges will be billed separately.
No international orders. Ships to the continental United States only.
Ideal Applications
- Off‑grid homes & cabins
- Residential backup power
- Commercial energy storage
- Solar + battery hybrid systems
- Telecom & remote site power
The OutBack EnergyCell 5.1 delivers professional‑grade reliability, cold‑weather performance, and modular scalability—making it one of the most robust 48V LFP solutions available today.
