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Rich Solar ALPHA 5 PRO | 51.2V 100Ah Lithium Battery

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SKU: RS-B5121P
$1,799.99

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Authorized Rich Solar Dealer

Authorized Rich Solar Dealer

Easy 30-Day Returns

Easy 30-Day Returns

Friendly Lifetime Support

Friendly Lifetime Support


Simplify Your Solar Energy Storage With The Rich Solar ALPHA 5 PRO Lithium Battery

Transform your energy storage capabilities with the Rich Solar ALPHA 5 PRO 51.2V 100Ah Lithium Battery. Designed to meet the needs of off-grid and solar-powered systems, this high-performance battery delivers unmatched reliability, power, and efficiency. With its 51.2V nominal voltage and 100Ah capacity, it’s perfect for demanding energy storage applications, providing stable, long-lasting power wherever you need it.

Equipped with cutting-edge features like closed-loop communications for seamless integration with multiple inverters and a remote monitoring app for real-time tracking, the ALPHA 5 PRO is engineered to optimize your solar energy setup. Built for resilience and ease of use, the battery’s rack-mount design ensures convenient storage, while low-temperature protection guarantees charging even in cold weather. It also supports up to 15 parallel units, allowing you to scale up to a massive 76.8 kWh of stored energy.

This battery’s built-in circuit breaker ensures safe operation, and welded prismatic cell connections eliminate concerns about internal disconnections. Whether you're powering a solar array, a backup system, or an off-grid cabin, the Rich Solar ALPHA 5 PRO delivers consistent, efficient energy.

This advanced battery is engineered to keep your off-grid and solar-powered systems running smoothly, even in challenging conditions. Rich Solar ALPHA 5 PRO 51.2V 100Ah Lithium Battery is your trusted power source for clean, renewable energy.


What Makes The Rich Solar ALPHA 5 PRO Different?

Closed-Loop Communication for Seamless Integration With Your Inverter

Connect effortlessly with multiple inverter brands using closed-loop communications. This feature enhances compatibility and optimizes your system’s overall performance, ensuring a fully integrated power solution.

Remote Monitoring App for Real-Time Data at Your Fingertips

Stay informed with the remote monitoring app, which provides real-time statistics on your battery’s status. Get instant access to charging levels, discharge rates, and operational health—right at your fingertips.

Parallel Up to 15 Batteries for Maximum Power

Expand your energy capacity by connecting up to 15 batteries in parallel, achieving up to 76.8 kWh. This ensures maximum power availability for larger systems without compromising BMS communications or safety.

Built-In Circuit Breaker for Enhanced Safety

The integrated circuit breaker protects against potential risks in high-voltage environments, ensuring reliable and fail-safe operation during solar charge controller surges or hardware malfunctions.

Low-Temperature Protection for Year-Round Reliability

Designed to operate in extreme climates, the low-temperature protection feature enables charging below 32°F, ensuring your battery performs efficiently in cold environments while maintaining stable performance.


What's Included

  • 1 x Rich Solar ALPHA 5 PRO 51.2V Lithium Battery


Rich Solar ALPHA 5 PRO Lithium Battery Warranty

Cummins provides a 10-year warranty policy, ensuring the absence of defects in materials, workmanship, and performance during the warranty period.


Rich Solar ALPHA 5 PRO Lithium Battery Specifications

Electrical Specifications

 

 

Nominal Voltage 51.2V
Nominal Capacity (at .5C, 77°F) 100Ah
Minimum Capacity (at .5C, 77°F) 99.5Ah
Nominal Capacity 5120Wh

Operating Specifications

 

 

Charging Voltage 57.6 V
Discharging Cutoff Voltage 44.8V
Maximum Charging Current 100A
Continuous Charge Current 100A
Maximum Discharge Current 100A

Physical Specifications

 

 

Battery Dimensions 17.7″L x 17.8″W x 5.2″H
Weight 99.2 lb

Battery Management System (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 Over Current Delay 1s
Primary Discharge Overcurrent Protection Value 110A
Primary Discharge Overcurrent Protection Delay 1s
Secondary Discharge Overcurrent Protection Value 150A
Primary Discharge Overcurrent Protection Delay 500ms

Temperature Performance

 

 

Charge Temperature 0.1C@(0℃~10℃); 0.2C@(10℃~20℃); 0.5C@(20℃~25℃);
1C@(25℃~45℃); 0.3C@(45℃~55℃); 0.2C@(55℃~60℃);
Discharge Temperature -20℃~65℃
Storage Temperature -20℃~45℃ 90%RH Max(1 month); 0℃~35℃ 90RH Max(6 Months)
Recommended Storage Temperature 0℃~35℃ 85%RH Max

Other Specifications


 

Certification UL1973, UL9540A, FCC
Max. Expansion 15 pcs in parallel


Rich Solar ALPHA 5 PRO Lithium Battery Manual

Common Customer Questions

Get answers to the most frequently-asked questions customers ask before placing an order.

Is Outbound Power an Authorized Dealer?

Yes! Outbound Power is an Authorized Dealer for every single brand and product on our store.

How long will it take for my order to arrive?

Shipping times vary depending on your location and the product or products ordered.

Order Processing Time
Most products are processed within 1-3 business days. If there is a delay in processing your order, we will alert you with as much information as possible about what to expect.

After order processing is complete, you will receive tracking information to monitor your order while it is in transit.

Order Shipping Time
Following processing, it may take between 3 and 8 days to arrive, depending on your location.

Please refer to the product page for your item and reference the estimated delivery time frame for more details.

Additionally, you can see the estimated delivery time frame during checkout and receive a tracking number once your order ships.

What are your shipping rates? Do you offer free shipping?

Everything on our store ships for free. Really!

What is Outbound Power's return policy?

Most items may be returned within 30 days of delivery. Please refer to our Returns & Exchanges policy to determine what items are eligible. Returns are not accepted beyond 30 days following delivery.

Are Outbound Power products used/old/refurbished?

Everything sold on our website is brand-new.

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No — we price BEAT! Please refer to our Price Beat Promise for full details.