Ruixu Lithium Batteries Kits - 15kWH, 20kWH, 25kWH, 30kWH w/ Heating Options
OPTIONS:
-
Standard model (No Heating) - suitable for mild and warm climates
-
Self-heating model - for cold climates (charges efficiently in temperatures as low as -20°C / -4°F)
The RUiXU Lithium Battery Kits are high-performance energy storage solutions built with advanced LiFePO₄ (Lithium Iron Phosphate) technology. Available in 15kWh, 20kWh, 25kWh, and 30kWh configurations, they are ideal for residential, commercial, and off-grid power systems.
Each kit includes pre-assembled server-rack style batteries and cabinets for scalable, space-efficient, and reliable energy storage. The self-heating variant (RX-LFP48100-H) ensures dependable performance even in cold climates as low as -20°C (-4°F).
FEATURES:
-
High-Efficiency LiFePO₄ Chemistry
Safe, stable, and long-lasting performance with 5120Wh per battery.
-
Self-Heating Technology (H variant only)
Charges safely in low temperatures (down to -20°C) using standard or solar chargers.
-
Scalable Capacity
Supports up to 32 units in parallel – expandable from 5kWh to 160kWh without an external controller.
-
User-Configurable Settings
DIP switch allows RS485 baud rate and inverter protocol selection.
-
Compact Server Rack Design
Pre-assembled 6-slot cabinet for clean, organized installation.
APPLICATIONS:
- Off-Grid Solar Systems
- Home & Cabin Energy Storage
- Telecom & Data Center Backup
- Industrial Equipment Power Backup
- Renewable Energy Storage (solar, wind, hybrid)
INCLUSIONS:
15kWh Kit
- (3) RUiXU 48V Batteries / Self-Heating (RX-LFP48100/ RX-LFP48100-H)
- (3) RJ45/CAT5e Communication Cables
- (3) Ground Cables
- (3) Sets of 30cm 4AWG Parallel Cables
- (1) 6-Slot Pre-Assembled Battery Cabinet
20kWh Kit
- (4) RUiXU 48V Batteries / Self-Heating (RX-LFP48100/ RX-LFP48100-H)
- (4) RJ45/CAT5e Communication Cables
- (4) Ground Cables
- (4) Sets of 30cm 4AWG Parallel Cables
- (1) 6-Slot Pre-Assembled Battery Cabinet
25kWh Kit
- (5) RUiXU 48V Batteries / Self-Heating (RX-LFP48100/ RX-LFP48100-H)
- (5) RJ45/CAT5e Communication Cables
- (5) Ground Cables
- (5) Sets of 30cm 4AWG Parallel Cables
- (1) 6-Slot Pre-Assembled Battery Cabinet
30kWh Kit
- (6) RUiXU 48V Batteries / Self-Heating (RX-LFP48100/ RX-LFP48100-H)
- (6) RJ45/CAT5e Communication Cables
- (6) Ground Cables
- (6) Sets of 30cm 4AWG Parallel Cables
- (1) 6-Slot Pre-Assembled Battery Cabinet
Optional Accessories (Sold Separately)
SPECIFICATIONS:
| Parameters |
RX-LFP48100 |
| Nominal voltage |
51.2V |
| Nominal capacity |
100Ah |
| Nominal energy |
5.12kWh |
| Usable energy |
4.92kWh |
| Operating voltage range |
44.8V-56.0V |
| Charge voltage |
56V |
| Float voltage |
54.6V |
| Recommended charge current |
50A |
| Max. charge current |
70A |
| Recommended discharge current |
50A |
| Max. discharge current |
100A |
| Communication |
RS485 / CAN |
| Peak discharge current |
101~119A @ 5mins |
| IP rating |
IP20 |
| Cycle life |
≥6000 cycles @90%DOD |
| Net weight |
103.6lb |
| Dimension (W*H*D) |
18.9*5.2*18.1 inches |
| Cell type |
Lithium-iron phosphate (LiFePO4) |
| Design life |
15 years |
| Operation temperature |
-10~50°C (14~122°F) |
| Storage temperature |
-10~45°C (14~113°F) |
| Relative humidity |
5%~90% No condensation |
| Install altitude |
≤4000m |
| Install location |
Indoor |
| Installation |
Wall mounted / Floor mounted / Stack / Rack mounted |
| Certification |
CE / IEC62619 / UN1973 / UN38.3 |
| Communications |
| Canbus |
Victron, SMA, Studer Innotec, Sofar, Solark,Solis, Goodwe,
Deye, Growatt, SAJ, LUXPOWER, Megarevo, INVT, Sermatec,
TBB, MUST, Sunsynk, Schneider |
| RS485 |
MPP, Voltronic, RCT, Alpha outback |
| Heater Specifications (RX-LFP48100-H) |
| Voltage |
56V |
| Power Consumption |
250W |
| Function |
self-heating starts ≤4l°F (5°C), ≥53.6°F(5°C) self-heating stops |
GUIDE:
FAQS:
What sizes are available for this battery kit?
The kit comes in 15kWh, 20kWh, 25kWh, and 30kWh configurations.
How does the self-heating function work?
The battery automatically activates internal heating when the temperature drops below the optimal level, ensuring consistent performance.
Can this battery be used with solar panels?
Yes, it is designed to integrate with off-grid and hybrid solar systems.
Is this battery suitable for cold climates?
Yes, the self-heating unit allows for reliable operation in freezing conditions.
How long does the battery last?
The LiFePO4 cells are rated for over 6,000 charge cycles, ensuring decades of reliable use.
Does this battery require maintenance?
No, lithium batteries are maintenance-free compared to lead-acid alternatives.
Can this battery be used for home backup power?
Yes, it provides a stable energy source for residential backup power solutions.
Is a Battery Management System (BMS) included?
Yes, the built-in BMS ensures safe operation and protects against overcharging, over-discharging, and overheating.
Can multiple battery kits be connected for larger storage capacity?
Yes, multiple units can be connected in parallel to expand total energy storage.
Does the kit come with a server rack?
Yes, a rack enclosure is included for easy installation and secure storage.
