



RoyPow Off-Grid Energy Storage System with 5.12Kwh LiFePO4 Battery & 5kw inverter
Get a bulk price for bulk items.
Pre-sale: Estimated arrival time: 2 months.
10-Years Warranty
20 Years of Design Life
16 Units Flexible Capacity Expansion
Easy Installation: Wall Mounted
Intelligent BMS: Multiple Safe Protections
High Compatibility: Compatible with Many Brands of Inverters
5.12Kwh LiFePO4 Battery
- Our Lithium Iron Phosphate (LiFePO4) Batteries are engineered for optimal off-grid energy storage, offering high-performance, reliability, and long-lasting durability. Each module delivers 5kW of maximum continuous discharge power, providing consistent and dependable energy for your off-grid applications, whether for residential, commercial, or industrial use.
- With the flexibility to expand your system capacity by adding up to 4 units, these batteries can easily grow with your energy needs, ensuring scalable and future-proof energy storage.
- Designed for superior longevity, our batteries boast an impressive cycle life of over 6,000 cycles, guaranteeing they will provide years of uninterrupted service. Plus, with a 10-year warranty, you can have full confidence in the long-term value and performance of your investment.
- Perfect for sustainable energy solutions, our LiFePO4 batteries ensure your off-grid systems run smoothly and efficiently for many years to come.

Flexible Capacity Expansion
- Meet specific residential electricity usage requirements with scalable energy storage. The system starts with a standard capacity of 5.1 kWh and can be expanded up to a maximum capacity of 81.6 kWh, ensuring adaptability to varying household energy demands.

Intelligent BMS Monitoring & Management
- The advanced Battery Management System (BMS) continuously monitors and optimizes battery performance, enhancing efficiency, safety, and longevity. With real-time diagnostics and intelligent control, the system ensures stable operation and maximized energy output.

intelligent management
- With intelligent management features, you can easily monitor system status through the LCD display or mobile app, providing real-time control and convenience at your fingertips.
Model | RBmax5.1L LiFepo4 battery |
Nominal Energy (kWh) | 5.12 |
Usable Energy (kWh) | 4.79 |
Scalability (kWh) | Max. 16 in parallel, Max. 81kWh |
Nominal Charge/ Discharge Current (A) | 50/50 |
Max. Charge/ Discharge Current(A) | 100/100 |
Cell type | Lithium iron phosphate (LFP) |
Operating voltage range (V) | 44.8 ~ 56.8 |
Nominal voltage (V) | 51.2 |
Weight (Kg / lbs.) | 48.5 Kg/106.9 lbs. |
Dimensions (W×D×H mm / inch) | 650x240x460 mm 25.6 x 9.5 x 18.1 inch |
Operating temperature(℉/°C) | Charge: 32 ~ 131℉ (0 ~ 55°C), Discharge: 4 ~ 131℉(-20 ~ 55°C) |
Storage temperature (℉/°C) | ≤1 month: -4 ~ 113℉ (-20 ~ 45°C), >1 month: 32 ~ 95℉ (0 ~ 35°C) |
Installation location | Indoor/Outdoor, Floor standing or Wall mounted |
Communication | CAN, RS485 |
Relative humidity | 0 ~ 95% |
Max. altitude (m / ft.) | 4000 m / 13,123 ft (>2,000 m / >6,561.68 ft derating) |
Ingress rating | IP 65 |
Certification | IEC 62619, UL 1973, EN 61000-6-1, EN 61000-6-3, FCC Part 15, UN38.3 |
Model | R5000S-UP-120V Inverter |
PV Input | |
Max. PV Input Power | 5500 W |
Max. DC Voltage | 500 V |
MPPT Voltage Range | 120 V-450 V |
Max. Input Current | 22 A |
Number of MPPT | 1 |
Battery Input | |
Battery Type | Lead-acid / LFP |
Rated Voltage | 48 V |
Voltage Range | 40V-60 V |
Max. MPPT Charging Current | 100 A |
Max. Mains/GeneratorCharging Current | 40 A |
Max. Hybrid Charging Current | 100 A |
AC Input | |
Input Voltage Range | 90−140 VA |
Frequency Range | 50 Hz / 60 Hz |
Bypass Overload Current | 63 A |
AC Output | |
Rated Output Power | 5000 W |
Max. Peak Power | 10000 |
Rated Output Voltage | 120 Vac(L/N/PE Single Phase) |
Load Capacity of Motors | 4HP |
Rated AC Frequency | 50 Hz / 60 Hz |
Waveform | Pure Sine Wave |
Switch Time | 10 ms |
Efficiency | |
MPPT Tracking Efficiency | 99.90% |
Max. Efficiency (Battery) | 92% |
General Specifications | |
Dimension (L x W x H) | 446.9 x 350 x 133 mm (17.59 x 13.78 x 5.24 inch) |
Weight | 14 kg (30.86 lbs.) |
Installation | Wall-Mounted |
Environmental Temperature Range | -10~55℃,>45℃ Derated (14~131℉, >113℉ Derated) |
Max. Altitude | >2,000m / >6,561.68 ft Derating |
Ingress Rating | IP20 |
Cooling Mode | Forced Air Cooling with Adjustable Air Speed |
Noise | <60dB |
Display Type | LCD Display |
Communication | Wi-Fi / RS485 |
In general, the order will be shipped within 24 hours after the payment is successful. If there is another condition, we will notify the customer by email.
USA Shipment from the CA or GA warehouse. The order won't be shipped on Saturday and Sunday, and orders placed on Saturday and Sunday will be shipped on next Monday.
Shipping fee
FREE shipping on all orders. All our shipping for products will be a door-to-door service with local UPS or FedEx delivery company.
Destinations
If you are concerned with shipping, please also check the free shipping area above picture. For some certain places, we might not deliver or need extra shipping.
Roypow offers free shipping within the continental U.S. For USA shipment we do not ship to Hawaii, Alaska, Puerto Rico, Overseas Islands.
Orders with multiple items may be shipped in separate packages to speed up delivery.
Tips for shipping
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Roypow is doing its best to make the promised time, please understand our warehouse is working only on business days, so please remember to enjoy the day even if there's a difference in the ETA. By the way, we will inform you proactively if something is wrong.
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You may please fill in the phone number. For a multi-hundred USD Battery, deserve a phone number for some urgent calls?
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Feel free to reach out to us at service@roypowcell.com.