Rubix RS51100 Stack Series Battery

Rubix RS51100 Stack Series Battery, Lithium Iron Phosphate (LiFePO4), 5.12kWh, 51.2VDC, 100Ah, IP50, RPSD, UL 1973 and 10-year Warranty

Overview

The Rubix RS51100 Stack Series Battery is a 48V/100Ah LiFePO4 solar battery module for modular energy storage in residential and light commercial applications. It provides 5.12 kWh of energy storage with a 51.2V nominal voltage, 100Ah capacity, and 90A maximum continuous discharge.

Stack Series batteries are designed for solar integration, backup power, and everyday energy use. The system uses modular stacking in 5.12 kWh increments and can scale from a single battery to expanded installations without external racking or exposed wiring.

The RS51100 supports closed-loop communication with most major inverter brands and includes Impactiv balancing for longer battery life. It is rated IP50, includes Rapid Shutdown Function (RPSD), carries UL 1973 and UN38.3 certifications, and is backed by a 10-year warranty.

Features

• LiFePO4 chemistry supports stable, long-cycle solar battery storage.
• Modular stacking in 5.12 kWh increments supports system expansion as energy needs increase.
• Energy scalability supports up to 32 units in parallel.
• Closed-loop communication supports operation with most major inverter brands.
• Impactiv balancing is designed for longer battery life.
• Compact footprint is designed with no exposed racks or cabling.
• Built-in Rapid Shutdown Function (RPSD) is included.
• Backed by a 10-year warranty.

Specifications

• Model: RS51100
• Nominal voltage: 51.2V
• Capacity: 100Ah
• Energy storage: 5.12 kWh
• Maximum continuous discharge power: 90A (4.6kW)
• Maximum continuous charging power: 70A (3.58kW)
• Dimensions: 22.6 × 19.3 × 6.2 in (57.4 × 49.0 × 15.7 cm)
• Weight: 108 lb per battery
• Cycle life: 6,000 cycles at 80% DoD
• Ingress protection rating: IP50

Stack Series Overview