EEL BATTERY
EU Stock-EEL 48V 16S 230Ah Server Rack Battery V5-JK Box DIY Stackable Kits with JK BMS Box Energy Storage Free Shipping & Free Tax & With Cells
EU Stock-EEL 48V 16S 230Ah Server Rack Battery V5-JK Box DIY Stackable Kits with JK BMS Box Energy Storage Free Shipping & Free Tax & With Cells
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Specification(EEL V5-JK 230Ah Box)
Poland Stock | JK BMS 51.2V 230Ah Smart Home Energy Storage System
Fully equipped with integrated BMS, 4-channel 2A active balance and all installation accessories — plug and power made simple.
⚡ Empower Your Home with True Energy Independence
Designed for homes with limited space but high energy demands, this compact powerhouse fits perfectly in apartments, townhouses, or off-grid cabins.
Scalable storage, effortless setup:
Stack up to 4 units vertically to save floor space.
Connect up to 16 packs in parallel, expanding capacity from 10 kWh to 160 kWh.
Experience next-level energy flexibility without sacrificing style or space


Safety Built from the Core Up
Multi-Layer Voltage Protection
Each cell is tracked in real time with ±20 mV precision, delivering over twice the accuracy of conventional systems. This ensures consistent voltage balance and longer cell lifespan.
All-Around Thermal Protection
Integrated with 6 smart temperature sensors — 4 for cells, 1 for ambient air, and 1 for MOS components — all accurate within ±2 °C.
Smart thermal control system:
High-Temp Shield: Automatically pauses charging at 55 °C and gradually limits power at 50 °C to prevent stress on components.
Cold-Weather Mode: Activates internal heating below 0 °C, ensuring reliable discharge even in -20 °C environments.
Engineered Exterior Protection
Encased in a dust- and moisture-resistant IP20 shell, perfect for garages and basements.
Designed with fully enclosed terminals to eliminate accidental contact — certified for CE safety compliance.

Battery Type:230Ah Cells
Material: Stainless Steel
Communication: CANBUS/RS485
BMS: 48V 16S BMS
Nominal Voltage:51.2V
Current 200A
Warranty:2 Years
Battery Pack Type: Stackable
OEM/ODM: Available
Weight:26kg
Size:415*700*263mm
V5-JK box is compatible with the V4-JK box
Parts List:
1 * Battery Case (Bottom case, Front Bracket, 2*Top Bracket, Front Panel,Top cover)
10 * Epoxy board(Between cell and the case)
2 * PCB Board(with sheet copper wires) for BMS and Cells Connection+2*matched EVA Tape
1 * Weak electric switch
1 * 48V 16S JK BMS+2*BMS wires+1*adapter
1 * CNL 250A fuse
2 * Battery Terminals (P+ Terminal and P- Terminal)
3* Long Flexible busbars (BMS connection)
15 * Flexible busbars (Cell connection)
4 * Handles
4 * Upper and Lower Latch lock
26 * EVA Tape (Between cells)
Other Small Accessories
Packaging Details:
Package dimensions: 80.2 x 51.2 x 34 cm (31.57 in x 20.16 in x 13.39 in)
Gross weight per unit: 28 kg (61.73 lb)
JK Battery Box BMS software:
https://drive.google.com/drive/folders/1T7Amp5mqtl4twecgZRhJCK4hoWncbNDE
Fast DDP shipping from Poland to EU countries(5-7 working days for delivery)
🥇 Official Warranty & Service Commitment
Since 2019, EELbattery has been at the forefront of innovation in energy storage technology — built on reliability, trust, and customer satisfaction.
We’ve kept one promise:Easy Energy Life
To stand behind this promise, we provide the following guarantees:
1. Full Warranty Protection
10-Year Total Warranty Coverage
Every product you purchase is protected against manufacturing and quality defects for up to 5 years from the purchase date.
Free Replacement or Refund
If a defect is confirmed, we’ll provide a replacement or full refund — promptly and at no additional cost.
Simple, Stress-Free Claims
Just contact our support team with your proof of purchase and a short description of the issue — we’ll handle the rest.
2. Extended Technical Support — 10 Years
Enjoy complimentary technical support for a full decade, including:
Step-by-step assistance for installation, setup, and configuration.
Remote diagnostics using BATTERYMONITOR software.
3. Customer-First Service Commitment
Our certified engineers and service specialists are available 12 hours a day, 7 days a week, ready to resolve your issues quickly and professionally.
Efficiency: 90% of technical problems resolved within 24 working hours.
Lifetime Care
Even after your warranty period ends, we continue offering maintenance advice and system upgrade recommendations at a reasonable cost — ensuring your battery system stays in peak condition for years.
How to Reach Us
📧 Email: howard@eelbattery.com
📱 WhatsApp: +86 131 7462 5515
Please provide your purchase invoice and a brief issue description — our team will guide you through diagnostics or arrange your replacement/refund without delay.
Material
Material
Lithiumionenphosphat, Aluminium
Warranty
Warranty
3 Jahre Garantie
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Questions and answers:
Q: Which BMS is in the 48V battery box?
A: We use the 150/200A JK BMS in the box with CAN/RS485 communication.
Q: Can I take only the battery box without BMS?
A: Yes, the BMS cost 90usd/pcs, we can remove this price for you if you want to place the order.
Q: If I want to build a 48V server rack system, what should I choose? A: It depends on how much capacity you want, our battery box can be stacked up to 15 sets.
Q: Can I buy the finished 48v server rack battery?
A: Sure, since our battery box doesn't include the cells, please leave us a message if you want the finished battery system.
Q: How do I set up the system?
A: The battery system can be connected to the JK App, and you can set and manage the whole system on your phone.
Q: I have my own logo, can I print my logo on the battery?
A: Yes, we accept logo customization, but need large quantities (>10 sets). If you like any samples, please feel free to contact us:howard@eelbattery.com
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