PowerPlus Energy LiFe 51.2VDC 5.1kWh LFP Managed Battery - LiFe4851

Overview

The PowerPlus LIFE Premium Managed Series LiFe4851 is a 51.2V, 100Ah lithium iron phosphate battery designed for residential, commercial, hybrid, and off-grid energy storage systems. With a usable capacity of 5.12 kWh, it provides safe, scalable storage in a compact 19" 3RU rack-mounted format.

Engineered for installers and end-users who demand compliance, protection, and long-term performance, the LiFe4851 combines enhanced safety engineering, flexible inverter integration, and modular scalability. It can operate in either managed or self-managed mode, making it suitable for a wide range of system designs.

Key Features

Certified Safety & Protection

• UL1973 certified and UL9540A tested for fire and electrical safety
• Integrated electrical, thermal, and mechanical safeguards
• Built-in 2-pole 125A DC breaker for added system protection

Advanced Battery Management

• Advanced BMS with system-level monitoring and fault protection
• Active cell balancing supports long-term performance
• Flexible managed or self-managed operating modes

Modular & Installation-Friendly Design

• Compact 19" 3RU rack-mounted form factor
• Supports up to 16 modules connected in parallel
• High surge capacity of up to 150A per battery
• Quick-connect terminals and flexible mounting options simplify installation

Approvals & Compliance

• UL9540A tested
• UL1973 certified
• UN38.3 certified
• IEC 62619 certified
• IEC 61000-6-3 certified
• IEC 62368-1 certified
• IP20 rated and compatible with IP54/IP65 enclosures

Warranty & Support

• Backed by a 10-year warranty*
• Designed for 70% end-of-life capacity after 10 years

Downloads

• Datasheet – PowerPlus LiFe4851 Specifications
• Brochure – PowerPlus LiFe4851