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RICH SOLAR ALPHA 5 PRO | 51.2V | 100Ah LiFePO4 Battery | Premium 48V Server Rack Lithium Battery | 7,000 Lifetime Cycles | 10-Year Warranty | UL1973, UL9540A Certified (BACKORDER: 3rd week of June) Server Rack Batteries RICH SOLAR 1 Battery

RICH SOLAR ALPHA 5 PRO Heating | 51.2V 100Ah LiFePO4 Battery | Premium 48V Server Rack Lithium Battery for Residential, Commercial, RVs, Off-Grid | 7,000 Lifetime Cycles | 10 Year Warranty | UL1973, UL9540A Certified

BY: RICH SOLAR | SKU: RS-B5121H Availability: In Stock
$1,899.99

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ALPHA 5 PRO Heating | 51.2V 100Ah LiFePO4 Battery

The ALPHA 5 PRO Heating | 51.2V 100Ah LiFePO4 Battery is a cutting-edge premium server rack battery designed to deliver unmatched power, safety, and longevity for residential, commercial, RV, and off-grid energy systems. Built with advanced LiFePO4 cells and featuring an integrated heating function, this battery thrives in all climates, ensuring reliable operation even in harsh cold environments. Certified to UL1973 and UL9540A standards with an impressive 7,000 cycle life and a 10-year warranty, the ALPHA 5 PRO sets a new benchmark for serious energy storage applications.

RICH SOLAR ALPHA 5 PRO Battery Features Features

Integrated Heating System
Equipped with a smart low-temperature heating system, the ALPHA 5 PRO automatically warms itself in cold climates, allowing safe charging even in subzero conditions.

Premium LiFePO4 Cells
Built with Grade A lithium iron phosphate cells, delivering outstanding safety, stability, and over 7,000 deep cycles, translating to 15+ years of typical use.

Massive Energy Storage
Provides 5.12kWh of storage in a single unit, easily scalable for larger residential or commercial systems by stacking multiple batteries.

Advanced BMS Protection
Includes a sophisticated Battery Management System to safeguard against overcharge, over-discharge, short circuit, temperature extremes, and balancing issues.

True Rack-Mount Design
19-inch standard rack size fits seamlessly into server or power wall cabinets for clean installations, perfect for solar homes or commercial facilities.

Certified Safety Standards
Tested and certified under UL1973 and UL9540A, meeting rigorous safety benchmarks for both residential and industrial energy storage systems.

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ALPHA 5 PRO Heating | 51.2V 100Ah LiFePO4 Battery Applications

  • Residential Solar Systems – Store excess solar energy during the day to power your home at night or during outages.

  • Commercial Energy Storage – Reduce peak demand costs or keep mission-critical systems running with dependable backup power.

  • Off-Grid Cabins & Tiny Homes – Run lights, appliances, and tools with sustainable energy independence.

  • RVs & Travel Trailers – Support inverters, refrigerators, and air conditioners on long trips without relying on noisy generators.

  • Backup for Critical Loads – Keep medical devices, servers, or security systems powered during grid failures.

  • Cold Climate Installations – Integrated heating ensures reliable performance even in freezing temperatures.

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What's Included

Everything you need is included with your product.

1 x Rich Solar Alpha 5 Pro Heating Battery

1 x RS485 Communication Cable

1 x Set of Parallel Cables

1 x User Manual

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RICH SOLAR ALPHA 5 PRO | 51.2V | 100Ah LiFePO4 Battery Specifications

Category Specifications
Nominal Voltage 51.2V
Nominal Capacity 100Ah
Minimum Capacity 99.5Ah
Nominal Capacity 5120Wh

Operating Specifications

Category Specifications
Charging Voltage 56V
Discharging Cutoff Voltage 44.8V
Maximum Charging Current 100A
Continuous Charge Current 100A
Maximum Discharge Current 100A

Physical Specifications

Category Specifications
Battery Dimensions 17.7"L x 17.8"W x 5.2"H
Battery Weight 99.2 lb
Server Rack Dimensions 27.5"L x 27.5"W x 44.1"H (Doesn't include the height of wheels)
Server Rack Weight 224.9 lb

BMS Operation

Category Specifications
Operation Voltage 43.2~58.4V
Maximum Charging Current 100A
Maximum Discharging Current 100A
Maximum Charge Voltage (CC/CV) 57.6V
Overcharge Protection Voltage (Battery) 58.4V
Overcharge Protection Release Voltage (Battery) 54V
Over Discharge Protection Voltage (Battery) 43.2V
Over Discharge Protection Release Voltage (Battery) 47.2V
Over Discharge Primary Charge Overcurrent Protection Value 110A
First Stage Charge Over Current Delay 1s
Primary Discharge Overcurrent Protection Value 110A
Primary Discharge Overcurrent Protection Delay: 1s
Secondary Discharge Overcurrent Protection Value 150A
Secondary Discharge Overcurrent Protection Delay 500ms

Temperature Performance

Category Specifications
Charge Temperature 0.1C@(32℉~50℉); 0.2C@(50℉~68℉); 0.5C@(68℉~77℉); 1C@(77℉~113℉); 0.3C@(113℉~131℉); 0.2C@(131℉~140℉);
Discharge Temperature -4℉~149℉ (The surface temperature of the cell should not exceed 149℉)
Storage Temperature -4℉~113℉ 90%RH Max(1 month); 32℉~95℉ 90RH Max(6 Months)
Recommended Storage Temperature 32℉~113℉ 85%RH Max (The battery life would be reduced if the battery is stored at a high temperature)

Others

Category Specifications
Certification UL1973, UL9540A, FCC
Max. Expansion 15 pcs in parallel
Communication Ports RS485/RS232/CAN
Warranty 10 Years Manufacturer Defect

Frequently-Asked Questions

Can I install this outdoors?
This battery is designed for indoor or protected cabinet installations. For best results and maximum lifespan, it should be installed inside a weatherproof enclosure or an equipment room that shields it from rain, snow, and direct sunlight.

Does it work with my existing solar inverter?
Yes. The ALPHA 5 PRO is fully compatible with most popular 48V inverters, including residential and commercial models. Always double-check your inverter’s supported voltage range and maximum charge current to ensure an optimal match.

Will it keep charging in freezing temperatures?
Absolutely. Thanks to its integrated smart heating system, the ALPHA 5 PRO automatically activates internal heaters to warm the battery cells, allowing safe charging even in below-freezing environments.

Is this expandable?
Yes. You can connect multiple ALPHA 5 PRO batteries in parallel, seamlessly scaling your storage capacity to support larger residential setups, commercial energy needs, or extended off-grid applications.