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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

SKU: RS-B5121P
$1,799.99
Model Options:
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Specifications & Downloads

Specifications

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Manual

Download

Certification

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Communication Protocols

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App Quick Start

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Warranty

Check out our full Warranty page here for more information.

Customer Support:

Call 800-831-9889 to speak with one of our representatives.

Email: support@richsolar.com

Phone Hours: Mon-Fri 9am-5pm PST

Local Pickup Available at Request:

1900 Mountain Ave,
Norco, CA 92860

Warning: Cancer risk and reproductive harm. www.P65Warnings.ca.gov

Payment & Security

Payment methods

  • Ach Direct Debit
  • Amazon
  • American Express
  • Apple Pay
  • Diners Club
  • Discover
  • Google Pay
  • Mastercard
  • PayPal
  • Shop Pay
  • Visa

Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.

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Communication Protocols

The device supports RS485 and CAN protocols for compatibility with major brands.
Protocol codes correspond to the following manufacturers:

RS485 Protocol Codes

RICH SOLAR

R01 – PYLON

R02 – GROWATT

R03 – SCHNEIDER

R04 – LUXPOWER

CAN Protocol Codes

RICH SOLAR

C01 – PYLON

C02 – GROWATT

C03 – VICTRON ENERGY

C04 – SOL-ARK

C05 – SCHNEIDER

C06 – LUXPOWER

C07 – GOODWE

C08 – SOLIS

C09 – SENERGY

C10 – SMA

C11 – MEGAREVO

Note: Select the correct protocol code in the system settings to ensure proper communication with your battery.

  • ALPHA 5 PRO | Overview, Unboxing, & Parallel Setup | RICH SOLAR TALK

ALPHA 5 PRO

51.2V 100AH LIFEPO4 BATTERY

Internal Heat Technology

Bluetooth App Monitoring

Parallel up to 30 units

RV

Marine

Cabin

Off-grid

Specifications

Nominal Voltage: 51.2V
Nominal Capacity: 100Ah
Nominal Energy: 5120Wh
Maximum Discharge Current: 100A
Max Charging Voltage: 57.6V
Maximum Charging Current: 100A
Communication Ports: RS485/RS232/CAN
Charge Temperature: 32℉ to 140℉
Discharge Temperature: -4℉ to 149℉
Wireless Monitoring: Wi-Fi + Bluetooth
Protection Class: IP21
Weight: 100.9 lb
Dimensions: 17.7 x 17.8 x 5.2 in

Integrated 150W Subzero Heater

< 32℉/0℃
Charging Off
< 41℉/5℃
Internal Heating Starts
> 50℉/10℃
Internal Heating Stops

Real-Time Battery Insight & Control

  • WIFI + Bluetooth App: Monitor SOC, voltage, current, temperature, and capacity in real time. Receive instant alerts for safe battery operation
  • LCD & LED Display: Front-panel indicators show SOC, status, and alarms at a glance.
  • User-Friendly Interface: Simple, intuitive design for easy monitoring by anyone.

iOS

iOS QR Code

Android

Android QR Code

Advanced Safety with 10-Year Warranty

  • Smart BMS Protection: Full protection against overcharge, over-discharge, overcurrent, and temperature fluctuations, with automatic cell balancing.
  • Dual-Layer Safety: Built-in fail-safe circuit breaker plus FET protection for extreme conditions (-4°F to 239°F).
  • Certified & Compliant: Meets UL1973, UL9540A, FCC, UN38.3, and MSDS standards for safe and reliable operation.

Premium LiFePO₄ Cells

  • Grade-A Prismatic Cells: Welded design ensures no loose connections and delivers 7,000+ cycles at 80% DoD.
  • High Energy Density: 5120Wh capacity in a compact, lightweight design for easy installation.
  • Wide Temperature Range: Supports discharge from -4°F to 149°F for reliable performance in extreme conditions.

Easy Installation with Rack-Mount Design

  • 3U Rack-Mount Design: Standard 3U size fits most server racks, with a robust sheet metal casing for durability and strength.
  • Carry Handle Design: Built-in handles make transportation and installation effortless.
  • Optional Battery Server Rack: Holds up to 6× ALPHA 5 Series Batteries (30.72 kWh) with 600A copper busbars and protective covers for safe, efficient power.

Three Charging Ways

LiFePO₄ Charger

6 Hours (57.6V 20A 0.2C)

Solar Panel

1 Sunny Day (>1500W)

Generator

6 Hours (20A DC-DC Charger)

WHAT IS A BASIC SOLAR SYSTEM?

Understanding the basics of an off-grid solar system.

Rich Solar Panel System
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Why Choose RICH SOLAR

RICH SOLAR has been a leader in the off-grid solar industry since 2005, with a focus on bringing the world's best solar products to market while providing world-class customer service.

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