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ECO-WORTHY 48V(51.2V) 50Ah Server Rack Battery,2.56kWh Lithium Battery,3U Size,With Bluetooth & Wifi
ECO-WORTHY 48V(51.2V) 50Ah Server Rack Battery,2.56kWh Lithium Battery,3U Size,With Bluetooth & Wifi
SKU: L13SR4850BV1.0-1
Smart Monitoring: Supports CAN/RS485/RS232 communications. Pre-loaded with multi-brand inverter protocols for grid/backup/off-grid modes. Real-time monitoring via Bluetooth & WiFi connections. Access battery status through mobile apps or PC software.
DIY Customizable Assembly: 3U rack-optimized design (61.9lbs) for single-person setup. Scalable to 32 parallel units with space-efficient stacking.
High safety:Full-metal enclosure + 100A BMS (OC/OD/OC/SC/OTP safeguards) + 63A circuit breaker & master switch.
Versatile & Powerful: Perfect for Home Energy Storage & UPS Backup Power. Includes all necessary cables for plug-and-play setup. Powers your shed, cabin, and enables off-grid living—say goodbye to electricity worries.
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This item is in pre-sale, expected to ship on July 15th.
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FAQ
Q1:What is the warranty period of the battery?
A1:We offer 5-year warranty for 51.2v server rack lithium battery,covering non-human-induced battery failure issues.When you buy this solar kit, you are covered by the full manufacturer warranties on each component. Plus, you’ll receive our lifetime customer and technical support.
Q2:What communication methods are supported?
A2:Our battery communicates via built-in Bluetooth/WiFi with mobile apps; RS485-1 on the front panel communicates with host computer software, mainstream inverters, and Solar Assistant; CAN interface communicates with inverters; RS232 interface communicates with host computer software.
Q3:What kind of battery cells are used?
A3:We use 100% brand-new A-grade prismatic cells (UL 9540A and UL 1973 Dual Certification) in our batteries, ensuring up to 6000 cycles at 80% depth of discharge (DOD).
Q4:What safety designs does the battery have?
A4:Our battery is equipped with a built-in 100A BMS and pre-charging circuit, and a 63A short-circuit protection switch on the front panel.Providing warning and protection functions, including over-discharge, over-charge, over-current, short-circuit, and high/low temperature.
Q5:Will I be able to track my order and deliveries?
A5:You will receive your tracking numbers via email as soon as they are available. So please make sure you use a good Email address when ordering that can receive email for your your tracking information. Also, please expect to receive multiple deliveries and packages as we ship from multiple warehouses to keep costs down.
Q6:How to Protect my Consumer Rights (Including Issues with Received Goods, Returns, Exchanges, etc.?
A6:We are committed to providing simple and convenient return and exchange services with no restocking or return fees. If you choose to return an item for personal reasons, you will only need to cover the return shipping cost. In the event of damaged goods during transit, we will fully cover all expenses for a replacement. We stand behind the quality of our products—please contact our customer service if any issues arise, and we will ensure a prompt resolution.
Q7:What happens if stuff arrives damaged?
A7:We stand behind what we sell and we'll take care of the costs of getting you a new working product. Just reach out to us if this happens and we will get you all taken care of.






Battery Capacity: 50Ah | Battery Power: 2560Wh |
Rated Voltage: 51.2V | Voltage Range: 40~58.4V |
Maximum Charge/ Discharge Current: 50A | Charge Temperature Range: 0-55℃ |
Disharge Temperature Range:﹣20-55℃ | Maximum Charge Voltage: 58.4V |
Screw size: M8 | Battery Size: 17.13*16.76*5.24inch |
Battery Weight: 61.95 lbs | Each battery comes with a pair of battery parallel cables |
We hope you have enjoyed your online shopping experience with ECO-WORTHY. Please read below for more information about our shipping and return policies.
SHIPPING
You will receive a confirmation e-mail after placing an order and another e-mail after your order has been shipped. The second one will contain the tracking information and some instructions on how to track your parcel. Depending on your order, your purchase may arrive in multiple packages.
ORDER PROCESSING
Procession time can take between 1-3 business days.
The time it takes to prepare your item(s) to ship from our American local warehouse. This includes preparing your items, performing quality checks, and packing for shipment.
SHIPPING COUNTRIES
We offer a free shipping service for most of mainland from our American local warehouse.
Note: HI, AK, PR & US Territories
(Free shipping is not available for customers in Hawaii (HI), Alaska (AK), Puerto Rico (PR) or any US Territory. Please contact us for a shipping quote on your order.)
SHIPPING TIME
All items sold at ECO-WORTHY are guaranteed to be delivered in 30 days.
If you have not received your item(s) beyond this time, you are eligible for a full refund after we have conducted a postal investigation.
Shipping from |
Shipping to |
Shipping time |
tracking information |
US warehourse |
Most of the U.S. states |
3 - 5 business days |
tracked |
Freight: Larger Panels Kits must be shipped by freight, the shipping time is 5-14 business days.
Note: The shipping times mentioned above refer to the estimated times of business days that the shipment will take after an order has been shipped. Business days do not include Saturday/Sunday and any public holidays. These estimates are based on normal circumstances and are not a guarantee of delivery times. We are not responsible for the failures or delays in delivery resulting from any force majeure event, such as natural disaster, bad weather, war, and any other event beyond our direct control, such as public holidays and customs issues.
Full refunds are not available under the following circumstances:
1. Delays caused by the buyer providing incorrect or incomplete delivery information.
2. Delays in delivery caused by any force majeure incidents, such as natural disasters, bad weather, and war.
3. Any un-insured order that is lost or stolen.4. Delays in delivery caused by any other beyond ECO-WORHTY's control, such as public holidays and Customs issues.
GUARANTEE & RETURN POLICY
14 Days DOA Product Guarantee
If one or more of the items you received are damaged, different, or not working, you will be protected by this Guarantee. Please contact us for Return Material Authorization within 14 days of the order being received. In the event of a replacement, ECO-WORTHY will arrange for return shipment of the defective unit, and once the part has been received and inspected, we will ship out the replacement part within 3 working days. To qualify under our Defective on Arrival policy, goods must be returned in their original packaging. Goods returned without original packaging will not be accepted.
30 Days No Reason Return
Standard in stock merchandise purchased through ECO-WORTHY may be returned within 30 days of the receipt of the product. You will receive a refund or credit towards your account, provided the merchandise is returned in the original packaging in new and resalable condition with the original blank warranty cards, manuals, and all accessories. ECO-WORTHY will pay the shipping costs of the returned item(s) for the following reasons: carrier damage, defective product, product inconsistent with advertisements, incorrect product received, or for any extra products you did not order. For all other reasons, customers are responsible for the return shipping fees. ECO-WORTHY requires at minimum 1-2 working days to inspect a returned item prior to issuing a refund or credit.
Please note that ECO-WORTHY will not accept returns with product modifications as it voids our warranty policy. Any modified products received will be returned to you at your expense.
Please be prepared with your invoice or the following information:
Order number
Proof of purchase
Video or photo of the faulty product (if applicable)
Mailing address
Contact telephone number
Please carefully follow our warranty process to minimize any delays:
1. Describe the problem with your item in detail: What happened? When? How? Please also state your full order number and product code (SKU number).
2. Tell us what steps you have already taken to resolve the issue.
3. Provide the item code indicated on the outer packaging.
4. Send a clear photo or video showing the defect(s); these should be taken under good lighting.
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