Experience uninterrupted power with the RUiXU 50kWh Lithium Battery Kit, a complete energy storage system engineered for modern homes, businesses, and light industrial facilities. This intelligent solution combines ten 48V LiFePO4 server rack batteries with a durable 10 slot cabinet, delivering dependable backup power and seamless solar integration.
The modular design supports expansion and parallel configurations, making it ideal for whole home backup, off grid systems, and hybrid solar projects where reliability, safety, and long cycle life are essential.
Key Features
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50kWh Total Capacity
Provides substantial energy storage for backup, off-grid applications, and load shifting.
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LiFePO4 Battery Technology
Premium lithium iron phosphate cells ensure high safety, long cycle life (6,000+ cycles), and optimal efficiency.
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Modular & Scalable Design
Easily expandable system to accommodate growing energy demands.
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Durable 10-Slot Battery Cabinet
Secure, space-efficient housing ensures organized battery placement and protection.
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Solar & Inverter Compatible
Seamlessly integrates with solar arrays and hybrid inverter systems for smart energy management.
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Advanced Battery Management System (BMS)
Built-in safety features protect against overcharging, overheating, short circuits, and keep cells balanced for consistent performance.
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Reliable Backup Power
Keeps essential systems running during grid outages and peak usage times.
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Efficient Energy Use
Enables self-consumption and load shifting to lower utility bills and optimize solar utilization.
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Remote Monitoring Ready
Supports real-time performance tracking via compatible apps and platforms.
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Flexible Installation
Suitable for both indoor and outdoor environments.
What's Included?
Standard Included
(10) RUiXU 48V Server Rack battery (RX-LFP48100)
(10) RS485 Communication Cable
(10) Ground Cable
(10) Set of Parallel 30CM4AWG Cables per battery
(1) 10 slot battery pre-assembled cabinet
Specifications
Battery Module – RX-LFP48100
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Nominal voltage: 51.2V
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Nominal capacity @ 0.2C: 100 Ah
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Minimum capacity @ 0.2C: 100 Ah
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Nominal energy: 5120 Wh
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Dimensions (W x D x H): 482.6 x 460 x 133 mm
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Weight: ~47 kg
10 Slot Battery Cabinet
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Dimensions (inch): 23.6" W x 29.5" D x 63.4" H, 69.9" H with wheels
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Dimensions (mm): 600 mm x 750 mm x 1612 mm, 1775.5 mm with wheels
System Scalability
Communications and Inverter Integration
Manual and Downloads
Warranty
OffGridLux (“the Seller”) warrants each RUIXU branded battery (“the Product”), as listed below, sold by RUIXU or any of its authorized distributors or dealers, to be free of defects for the period as listed in the table below (“the Warranty Period”), from the date of sale as determined by either the customers’ sale receipt, the shipping invoice and/or the battery serial number, with proof of purchase. Within the Warranty Period, subject to the exclusions listed below, the Manufacturer will credit, replace or repair, if serviceable, the Product and/or parts of the Product, if the components in question are determined to be defective in material or workmanship.
The Warranty Period for Physical Goods purchased from RUiXU Battery or authorized distributors or dealers is 10 Years.
RUiXU Battery will replace or repair the product at no charge, using new or refurbished replacement parts.
The Seller has no obligation under this limited warranty for product subjected to the following conditions (including but not limited to):
*Damage caused during shipping or mishandling of the Product
*Damage due to improper installation:loose terminal connections, under-sized cabling, incorrect series (cannot be used in series) or parallel connections, reverse polarity connections, or insufficient space for airflow
*Environmental damage such as inappropriate storage conditions as defined by the Manufacturer, exposure to extreme hot or cold temperatures, fire or freezing, or water damage, impact, or collision
*Damage due to improper operation or maintenance such as under- or over-charging the Product, cold temperature charging, lack of cleaning resulting in corroded terminal connections or build-up of dirt, debris, organic matter, fossil fuels, or chemicals on the Product casing
*Improper use of CAN cables such as improper connections or not connecting them
*Installing CAN communication devices that do not follow the appropriate CANbus guidelines as defined by the Manufacturer
*Product that has been opened, modified, or tampered with Tampering or removal of manufacture date codes.
*Product that was used for applications other than which it was designed and intended for by the Manufacturer
*Product that was under-sized for the application.
This Limited Warranty does not cover a Product that has reached its normal end of life due to usage which may occur prior to the Warranty Period. A battery can deliver only a fixed amount of Energy over its life which will occur over different periods of time depending on the application. The Manufacturer reserves the right to deny a warranty claim if the Product is determined, upon inspection, to be at its normal end of life even if within the Warranty Period.
Submitting A Warranty Claim
To submit a warranty claim, please contact the original place of purchase. The Product may be required to be shipped back to the Seller for further inspection. The Product must be shipped in compliance with UN38.3. Please note that DOT requires all persons’ shipping batteries to be Hazmat certified.
Technical Support
If you have technical questions about the Product, please contact us
Why Shop With OffGrid Lux?
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Focused on off grid & outdoor living
We are not a generic big-box store. OffGrid Lux is dedicated to off grid power, shelters, saunas, recovery tools and electric mobility, so every product fits a clear purpose: more independence and better quality of life.
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Authorized dealer & authentic products
We work directly with trusted U.S. brands and distributors. That means genuine products, valid manufacturer warranties and up-to-date specifications on every item.
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Transparent pricing, no hidden tricks
Competitive pricing, no sales tax in most U.S. states, and clear shipping costs. If you find a better final price online (after shipping and fees), let us know – we are happy to price match whenever possible.
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Free or low-cost shipping on most orders
Many items ship free within the continental U.S., and for heavier freight shipments we clearly show any small customer contribution instead of hiding it in the product price.
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Clear lead times & honest availability
If something is in stock, made to order, or on backorder, we tell you upfront. You will know what to expect before you pay, not after.
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Human support, not a call center script
Need help choosing between two batteries, inverters, saunas or bikes? You will talk to a real person who actually knows the products, by email, phone or SMS, and who stays with you before and after your purchase.
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Project-minded guidance
Working on a full system – solar, backup power, shelter or outdoor spa? We can help you think through sizing, compatibility and practical details so you do not overbuy or end up with the wrong gear.
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Fair return & warranty assistance
Most products are eligible for returns within 30 days according to our Return & Refund Policy, and we assist you with warranty claims directly with the manufacturer if anything arrives damaged or defective.
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Secure online checkout
Your payment is processed through encrypted, PCI-compliant gateways so you can order with confidence.
