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Rich Solar ALPHA 5 PRO 51.2V 100Ah LiFePO4 Battery | 48V Server Rack Lithium Battery | 7,000+ Cycles, 10-Year Warranty

Regular price: $1,799.99
Sale price: $1,439.99

Regular price: $1,799.99
Sale price: $1,439.99

FREE SHIPPING

Model Options: ALPHA 5 PRO ALPHA 5 PRO Heating

Quantity: 1 Battery 2 Batteries 3 Batteries 4 Batteries 5 Batteries 6 Batteries

Product variants

Quantity

Estimated shipping time

We offer free shipping within the United States on all orders.

Pool Heat Pumps, Pool Robot Cleaners & Hot Tubs Ships in 1-2 days, arrives in 2-7 days.

Solar Panels, Generators & Batteries
Orders processed within 1–3 business days after full payment is received (out-of-stock and pre-order items require confirmation before purchase). Standard shipping delivers in 5–12 business days.

Outdoor Showers
Handling Time: 1–2 business days. Transit Time: 9–10 business days.

Fire Pits & Bowls
Handling Time: 1-3 business days. Transit Time: 3-7 business days.

Outdoor Fountains
These products are custom made or built to order. Estimated lead times vary by season: March to October: 6–8 weeks, November to February: 4–6 weeks.
Outdoor Inflatable Screens & Complete Systems

What is your Return Policy?

Refunds & Returns Policy
If something isn’t quite right, we’ve made it simple to request a return or refund. Here’s how it works:

1. Return Window
Pool Heat Pumps, Robotic Pool Cleaners, Hot Tubs & Outdoor TVs: Returns accepted within 30 days of purchase date.

Outdoor Inflatable Movie Screens & Fire Pits + Bowls: Returns are accepted within 14 days of purchase date. Product must be new, sealed & unused.

Solar Panels, Generators & Batteries: Returns accepted within 30 days of receipt for US orders. Item must be unused, in original packaging, and include proof of purchase from The Backyard Bliss.

Outdoor Fountains and Showers: These products are custom-made to order and not eligible for returns.

2. Return Shipping Costs
If your item arrives damaged, defective, or incorrect, we’ll cover the return shipping. If you're returning an item due to a change of mind, return shipping will be at your expense.

3. Items That Arrive Damaged or Not Working
If you receive a product that is broken or not functioning properly, please contact us within 48 hours. We’ll arrange for a free return, and once we’ve inspected the item, we’ll either send a replacement or issue a refund (including your original shipping cost, if applicable).

4. How Refunds Work
Once we receive your return and verify it meets the conditions above, we’ll issue a refund to your original payment method within 7 business days. Please note that your bank or credit card provider may take a few additional days to reflect the refund on your account. If it’s been more than 10 business days and you haven’t seen your refund, contact us at support@thebackyardbliss.com and we’ll be happy to help.

5. Restocking Fees
In certain cases, a restocking fee may apply. If so, we’ll let you know upfront before processing your return.

Product Description

Premium 48V Server Rack Lithium Battery for Home, Business & Off-Grid Power

The Rich Solar ALPHA 5 PRO 51.2V 100Ah LiFePO4 Battery is a next-generation energy storage solution designed for residential, commercial, RV, and off-grid applications. With Grade A LiFePO4 cells, smart BMS protection, and seamless inverter compatibility, it delivers unmatched reliability, safety, and performance.

Engineered for long-lasting power, the ALPHA 5 PRO provides 7,000+ life cycles at 80% DOD and includes a 10-year manufacturer warranty. Its compact 3U rack-mount design makes installation simple while providing scalability up to 76.8kWh with 15 units in parallel.

Perfect for solar energy storage, emergency backup, and off-grid independence, this battery is UL1973 & UL9540A certified, ensuring the highest safety standards.

Why Choose ALPHA 5 PRO?

Unlike traditional lead-acid batteries, the ALPHA 5 PRO offers superior safety, lightweight design, rapid charging, and long lifespan. Whether for solar power systems, emergency backup, or off-grid independence, this battery provides the premium-grade performance you can count on.

Key Features

High-Capacity & Long Life – 51.2V 100Ah (5120Wh) with 7,000+ cycles at 80% DOD.

10-Year Warranty – Backed by Rich Solar’s reliability & premium engineering.
UL1973 & UL9540A Certified – Industry-leading safety compliance.
Expandable to 76.8kWh – Connect up to 15 batteries in parallel.

Smart BMS Protection – Overcharge, over-discharge, over-current & temperature safeguards.

Wide Inverter Compatibility – RS485/CAN communication with Victron, Growatt, Schneider, SMA, Solis, EG4, Pylon & more.

Rack-Mount Server Design – Compact 3U format with rugged metal casing for easy installation.

Smart Monitoring Display – 3.5-inch touchscreen with real-time status & remote monitoring app.

Reliable in Extreme Weather – Operates from -4°F to 140°F with low-temp charging protection.

Lead-Acid Replacement – Lightweight, maintenance-free, and eco-friendly power solution.

Expansion & Scalability

Parallel Support: Up to 15 units
Max Capacity: 76.8kWh
Applications: Residential solar storage, commercial backup, RVs, off-grid cabins, microgrids.

Model Options

ALPHA 5 PRO Standard
ALPHA 5 PRO Heating Version (low-temperature optimized)
Available Quantities: 1–6 batteries

Specifications

Category	Specification
Battery Type	LiFePO4 (Lithium Iron Phosphate)
Nominal Voltage	51.2V
Nominal Capacity	100Ah (99.5Ah Minimum)
Nominal Energy	5120Wh
Cycle Life	7,000+ cycles @ 80% DOD
Charging Voltage	56V
Discharge Cutoff Voltage	44.8V
Maximum Charging Current	100A
Maximum Discharge Current	100A
Continuous Charge/Discharge Current	100A
Communication Ports	RS485 / RS232 / CAN
Parallel Expansion	Up to 15 units (76.8kWh total)
Certifications	UL1973, UL9540A, FCC
Warranty	10 Years
Dimensions (Battery)	17.7” L × 17.8” W × 5.2” H
Weight (Battery)	99.2 lb
Server Rack Dimensions	27.5” L × 27.5” W × 44.1” H
Server Rack Weight	224.9 lb
Design	3U Rack-Mount, Rugged Sheet Metal Casing
Handles	Removable Carry Handles
Charge Temperature	32°F to 140°F (Auto cutoff <32°F)
Discharge Temperature	-4°F to 149°F
Storage Temperature	-4°F to 113°F (1 month), 32°F to 95°F (6 months)
Recommended Storage	32°F to 113°F, ≤85% RH
Humidity	≤ 90% RH
Overcharge Protection	Yes (up to 58.4V)
Over-Discharge Protection	Yes (down to 43.2V)
Over-Current Protection	110A (Primary) / 150A (Secondary)
Short Circuit Protection	Built-in
Temperature Protection	- Low Temp Charging Cutoff below 32°F - High Temp Cutoff above 140°F
Built-in Circuit Breaker	Yes
Cell Balance Function	Active Equalization

Inverter Compatibility

The ALPHA 5 PRO supports CAN/RS485 protocols, ensuring seamless integration with top inverter brands:

Documents

⚠️ California Proposition 65 Warning: This product can expose you to chemicals, including lead, which is known to the State of California to cause cancer and reproductive harm. For more information, visit www.P65Warnings.ca.gov.