Rubix 10.5kWh Battery 48 Volt 205 AH Giga Stack Series Lithium RGS-51200
MPN No: RGS-51200
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Out Of Stock
$2,397.59
Rubix 10.5kWh Battery 48 Volt 205 AH Giga Stack Series Lithium RGS-51200
Rubix 10.5kWh Battery 48 Volt 205 AH Giga Stack Series Lithium RGS-51200
Regular price
$2,397.59
SOLD OUT
Rubix 10.5kWh Battery 48 Volt 205 AH Giga Stack Series Lithium RGS-51200
Rubix 10.5kWh Battery 48 Volt 205 AH Giga Stack Series Lithium RGS-51200
Out Of Stock
MPN No: RGS-51200
Regular price
$2,397.59
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Data Sheet
Regular price
$2,397.59
Rubix Battery 48 Volt 205 AH Giga Stack Series Lithium RGS-51200
Includes: One 48V 205 AH ( RGS-51200) Stackable Module
For the base, lid, and caster bundle go here.
Scale your energy storage capacity with the Rubix GIGA Stack Series RGS-51200, a high-capacity 48V lithium iron phosphate (LiFePO₄) battery engineered for demanding residential and light-commercial energy systems. Delivering 205Ah of capacity and over 10kWh of nameplate energy, the RGS-48205 is designed for long runtimes, high discharge capability, and modular stack-based expansion.
Key Technology
-
10.5kWh High-Capacity Energy Storage
205Ah at 48V provides extended runtime and higher usable energy per battery, reducing the total number of units required. -
LiFePO₄ Prismatic Cell Chemistry
Delivers superior thermal stability, long cycle life, and enhanced safety for daily cycling and backup applications. -
High Power Discharge Capability
Supports up to 140A continuous discharge (7.2kW) with strong surge performance for inverter-driven loads. -
Integrated BMS with LCD Monitoring
Advanced battery management system provides protection and real-time monitoring of SOC, voltage, current, cell voltages, and system faults.
Best Uses
-
Residential Solar + Storage Systems
Ideal for whole-home backup or high-consumption households using 48V inverter platforms. -
Light Commercial Energy Storage
Higher per-unit capacity supports fewer stacks while maintaining strong output. -
Backup Power Applications
Designed to deliver sustained power during grid outages when paired with compatible inverters. -
Expandable Indoor Battery Banks
Supports up to 4 batteries per stack using the GIGA Stack base and lid architecture.
Safety & Monitoring
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Integrated 150A breaker and 500A fuse
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Pressure-vented LiFePO₄ cells for enhanced safety
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LCD touchscreen displays SOC, volts, charging/discharging amps, balancer status, cell voltages, and faults
Warranty & Certifications
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Cycle Life: 4,000 cycles @ 100% DoD / 6,000 cycles @ 80% DoD / 8,500 cycles @ 50% DoD
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Battery Certification: UL9540A (pending)
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Transport Certification: UN38.3
Product Specifications
| Specification | Details |
|---|---|
| Model | RGS-51200 |
| Nominal Voltage | 48 V |
| Capacity | 205 Ah |
| Nameplate Energy | 10.5 kWh |
| Max Continuous Discharge | 140 A (7.2 kW) |
| Recommended Discharge | 120 A |
| Max Charging Current | 120 A (140 A peak / 30 min) |
| Voltage Range (Cycling) | 51 – 56.5 V |
| Recommended Absorb Voltage | 56.8 V |
| Float Voltage | 54.4 V |
| Battery Chemistry | Lithium Iron Phosphate (LiFePO₄) |
| Cycle Life | Up to 8,500 cycles @ 50% DoD |
| Max Batteries per Stack | 4 |
| IP Rating | IP50 (Indoor use) |
| Operating Temperature | 32°F to 120°F |
| Dimensions | 25.6 × 18 × 10 in |
| Weight | 199 lbs |
About Rubix Battery:
Rubix Battery is a U.S.-based solar energy storage company that designs and manufactures premium lithium (LiFePO₄) battery systems for residential, commercial, and off-grid use. Formed from the merger of MillerTech and ARK Battery, Rubix focuses on scalable, stackable batteries with long cycle life, advanced management systems, and strong warranties to support reliable solar power storage.
High-Capacity Modular Storage for Demanding Energy Systems
The Rubix RGS-48205 delivers over 10kWh of LiFePO₄ storage in a single stackable unit, making it ideal for users who want fewer batteries, higher output, and long-term reliability in 48V energy storage systems.
Why Buy From US Solar Supplier
US Solar Supplier is an American-founded company based in Kentucky dedicated to offering top-quality solar components from trusted manufacturers. We provide competitive pricing, dependable inventory, and products backed by warranties you can trust.
Our inventory is updated daily with the latest solar technologies, and our experienced team is ready to assist with product selection, system design, and installation guidance.
Need Assistance?
Have questions before you order? Call 1-800-230-7004 to speak with our knowledgeable support team. We’re here to help with product details, compatibility questions, or purchasing support.
