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Rich Solar RS-B5121P ALPHA 5 PRO | 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

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  • Rich Solar RS-B5121P ALPHA 5 PRO | 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
  • Rich Solar RS-B5121P ALPHA 5 PRO | 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
  • Rich Solar RS-B5121P ALPHA 5 PRO | 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
  • Rich Solar RS-B5121P ALPHA 5 PRO | 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
  • Rich Solar RS-B5121P ALPHA 5 PRO | 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
  • Rich Solar RS-B5121P ALPHA 5 PRO | 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
  • Rich Solar RS-B5121P ALPHA 5 PRO | 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
  • Rich Solar RS-B5121P ALPHA 5 PRO | 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
  • Rich Solar RS-B5121P ALPHA 5 PRO | 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
  • Rich Solar RS-B5121P ALPHA 5 PRO | 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
  • Rich Solar RS-B5121P ALPHA 5 PRO | 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
Rich Solar
MSRP: $1,799.99
$1,439.99 (You save $360.00)
SKU: RS-B5121P-Main
Condition: New
Weight: 100.00 LBS
Shipping: Free Shipping

 Product Description

Rich Solar RS-B5121P ALPHA 5 PRO | 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 - RS-B5121P-Main

 

The ALPHA 5 PRO supports CAN/RS485, making it compatible with many popular inverter brands, simplifying upgrades, reducing extra components, and enhancing system performance and reliability.

 

Features

Instant Monitoring with Smart Display

Monitor your battery effortlessly with our PC monitoring software. The 3.5-inch smart touchscreen provides instant access to live data, individual battery status, and system settings. LED indicators on the front panel show battery SOC, operational status, and alarms, ensuring you are always informed and connected.

 

 

Unlock 76.8kWh of Energy with Flexible Expansion

The ALPHA 5 PRO is expandable with up to 15 units in parallel, reaching up to a total of 76.8kWh. This extensive capacity is ideal for large-scale operations, emergency backup power, or off-grid energy. It effortlessly meets your highest energy demands, ensuring reliable power when and where you need it most.

 

 

Premium Grade A Cells for Long-Lasting Battery Life

The ALPHA 5 PRO features premium Grade A cells known for their exceptional safety, lightweight design, high energy density, and durability. With over 7000 cycles at 80% Depth of Discharge (DOD) and a 10+ year lifespan, you'll have long-term reliability with minimal maintenance.

 

 

Smart BMS for Unmatched Protection

The ALPHA 5 PRO guarantees safety and reliability. The advanced Battery Management System (BMS), with a built-in circuit breaker, protects against overcharge, over-discharge, over-current, short circuits, high/low temperatures, and rare hardware failures in high-voltage solar charge controllers. Even with physical damage or excessive thermal exposure, the ALPHA 5 PRO will run as cleanly as before.

 

 

Reliable Power in Extreme Weather

The ALPHA 5 PRO is built to handle extreme temperatures, operating safely from -4°F to 140°F. It stops charging below 32°F and discharging below -4°F, with an auto shut-off when temperatures exceed 140°F. You're guaranteed consistent performance no matter the conditions.

 

 

Easy Installation with Rack-Mount Design

The ALPHA 5 PRO features a 3U rack-mount design, fitting seamlessly into server racks. Its robust sheet metal casing ensures durability and strength, while the removable carry handle simplifies transport and installation.

 

 

The Ultimate Replacement for Lead-Acid Batteries

The ALPHA 5 PRO provides all the energy you need in a compact battery. It's eco-friendly, with a 10+ year lifespan. It's the smart, efficient choice for energy storage featuring a BMS for added safety and real-time monitoring.

 

 

 

General Information  
Manufacturer: Rich Solar
Product Line: Battery
Model ID:
RS-B5121P
Certifications and Safety Ratings: tuv.jpg  etl.jpg  pv-cycle.jpg  mcs.jpg  iec.jpg  ul.jpg

 

Specifications
 

 

Electrical Specifications

  • Nominal Voltage: 51.2V
  • Nominal Capacity: 100Ah
  • Minimum Capacity: 99.5Ah
  • Nominal Energy: 5120Wh

Operating Specifications

  • Charging Voltage: 56V
  • Discharging Cutoff Voltage: 44.8V
  • Maximum Charging Current: 100A
  • Continuous Charge Current: 100A
  • Maximum Discharge Current: 100A

Physical Specifications

  • Battery Dimensions: 17.7"L × 17.8"W × 5.2"H
  • Battery Weight: 99.2 lb
  • Server Rack Dimensions: 27.5"L × 27.5"W × 44.1"H (Doesn't include wheel height)
  • Server Rack Weight: 224.9 lb

BMS Operation

  • 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 Overcurrent 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

  • Charge Temperature: 0.1C@(32°F~50°F); 0.2C@(50°F~68°F); 0.5C@(68°F~77°F); 1C@(77°F~113°F); 0.3C@(113°F~131°F); 0.2C@(131°F~140°F)
  • Discharge Temperature: -4°F~149°F (The surface temperature of the cell should not exceed 149°F)
  • Storage Temperature: -4°F~113°F 90%RH Max (1 month); 32°F~95°F 90RH Max (6 months)
  • Recommended Storage Temperature: 32°F~113°F 85%RH Max (Battery life is reduced at high temperature)

Additional Details

  • Certification: UL1973, UL9540A, FCC, UN38.3, MSDS
  • Max. Expansion: 15 pcs in parallel
  • Communication Ports: RS485 / RS232 / CAN
  • Warranty: 10 Years Manufacturer Defect

 

Available Now at Solaris – Trusted Distributor.

 

Datasheets
 
Document Type

logo-adobe-pdf-2.jpgSpecSheet

logo-adobe-pdf-2.jpgManual

logo-adobe-pdf-2.jpgCertification

SpecSheet

Manual

Certificate

 

Terms & Conditions
 
Shipping: Shipping Policy
Returns: Returns Policy
Payments: We accept: Visa, MasterCard, Discover, and American Express. We also accept checks, direct deposit and wire transfers for large orders.

Rich Solar - Rich Solar RS-B5121P ALPHA 5 PRO | 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
Price: 1439.99
Condition: new

 

 Warranty Information

Solar Panels
Rigid Solar Panels
25-Year Power Output Warranty
10-Year Workmanship Warranty

Portable Solar Panels
25-Year Power Output Warranty
5-Year Workmanship Warranty
2-Year Warranty for Controller on Kits

Flexible Panels
1-Year Warranty

Batteries
ALPHA LITE Series
*5-Year Warranty

ALPHA Series
*5-Year Warranty

ALPHA PRO Series
*10-Year Warranty

LiFePO4 Battery Bank (Black)
*5-Year Warranty

Inverters
Grid-Tie Inverters
10-Year Warranty

Pure Sine Wave Inverters
2-Year Warranty

Hybrid Inverters
3-Year Warranty

Controllers
MPPT Controllers
2-Year Warranty

PWM Controllers
1-Year Warranty

 

About Us

Solaris is a leading online solar energy supply store. Since our inception, we have steadily grown to become one of the most robust solar energy dealers nationwide. We provide a large variety of products, custom designed solar electric systems, and superb technical support throughout your installation.

Solaris-shop.com designs, supplies, and delivers complete solar energy systems for homeowners, and installers. We use only the highest rated manufacturers in our design layouts, customized for your specific needs and requirements. We have a commitment to excellence for our valued customers, offering wholesale pricing that ensures a powerful return on your investment, for years to come.

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Contact Us Today. Mon-Fri 7:00am - 4:00pm PST | Toll Free: 1-800-215-53501-800-215-5350 | Email: customerservice@solaris-shop.com | Sitemap | Terms and Conditions | Copyright © 2025

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