• Product Description
  • Product Specifications
  • PDF Download
  • PowerBase 5
  • PowerBase R5
  • PowerBase 11
  • PowerBase 16
  • RBmax5.1L
  • 5.1 kWh

    5.1 kWh

    LiFePO4 Battery
  • background
    Upper Cover Protection
    for Terminals
  • background
    Up to 16 Units
    in Parallel
  • background
    >6,000 Times Cycle Life
  • background
    10 Years Warranty
  • Support Automatic DIP Switch Address Allocation

    Support Automatic DIP Switch Address Allocation

  • Support Wi-Fi Remote App Monitoring & OTA Upgrades

    Support Wi-Fi Remote App Monitoring & OTA Upgrades

  • Compatible with Leading Inverter Brands

    Compatible with Leading Inverter Brands

  • 5.1 kWh

    5.1 kWh

    LiFePO4 Battery
  • background
    20 Years of Design Life
  • background
    16 Units Flexible Capacity Expansion
  • background
    >6,000 Times Cycle Life
  • background
    10 Years Warranty
  • Easy Installation

    Easy Installation

    Wall Mounted
  • Intelligent BMS

    Intelligent BMS

    Multiple Safe Protections
  • High Compatibility

    High Compatibility

    Compatible with Many Brands of Inverters
  • 11.7kWh

    11.7kWh

    LiFePO4 Battery
  • background
    Upper Cover Protection
    for Terminals
  • background
    8 Units Flexible Capacity Expansion
  • background
    >6,000 Times Cycle Life
  • background
    10 Years Warranty
  • Support Automatic DIP Switch Address Allocation

    Support Automatic DIP Switch Address Allocation

  • Support Wi-Fi Remote App Monitoring & OTA Upgrades

    Support Wi-Fi Remote App Monitoring & OTA Upgrades

  • Compatible with Leading Inverter Brands

    Compatible with Leading Inverter Brands

  • 16kWh

    16kWh

    LiFePO₄ Battery
  • background
    Upper Cover Protection
    for Terminals
  • background
    Up to 16 Units
    in Parallel
  • background
    >6,000 Times Cycle Life
  • background
    10 Years Warranty
  • Support Automatic DIP Switch Address Allocation

    Support Automatic DIP Switch Address Allocation

  • Support Wi-Fi Remote App Monitoring & OTA Upgrades

    Support Wi-Fi Remote App Monitoring & OTA Upgrades

  • Compatible with Leading Inverter Brands

    Compatible with Leading Inverter Brands

  • 5.1 kWh

    5.1 kWh

    LiFePO4 Battery
  • background
    20 Years of Design Life
  • background
    16 Units Flexible Capacity Expansion
  • background
    >6,000 Times Cycle Life
  • background
    10 Years Warranty
  • Easy Installation

    Easy Installation

    Wall Mounted
  • Intelligent BMS

    Intelligent BMS

    Multiple Safe Protections
  • High Compatibility

    High Compatibility

    Compatible with Many Brands of Inverters
  • PowerBase 5
  • PowerBase R5
  • PowerBase 11
  • PowerBase 16
  • RBmax5.1L
  • 5.1 kWh

    5.1 kWh

    LiFePO4 Battery
    Model PowerBase 5
      • Electric Data

      Nominal Energy (kWh) 5.12
      Usable Energy (kWh) 4.79
      Depth Of Discharge (DoD) 95%
      Cell Type LFP (LiFePO4)
      Nominal Voltage (V) 51.2
      Operating Voltage Range (V) 44.8~56.8
      Max. Continuous Charge Current(A) 100
      Max. Continuous Discharge Current(A) 100
      Scalability 16
      • General Data

      Weight (Kg / lbs.)
      50 / 110.23
      Dimensions (W × D × H) (mm / inch) 510 x 510 x 166 / 20.08 x 20.08 x 6.54
      Operating Temperature (°C) 0~ 55℃ (Charge), -20~55℃ (Discharge)
      Storage Temperature (°C)
      Delivery SOC State (20~40%)
      >1 Month: 0~35℃; ≤1 Month: -20~45℃
      Relative Humidity ≤ 95%
      Altitude (m / ft) 4000 / 13,123 (>2,000 / >6,561.68 derating)
      Protection Degree IP 20
      Installation Location Indoor
      Communication CAN, RS485, WiFi
      Display LCD
      Certificates UN38.3, IEC61000-6-1/3
    5.1 kWh

    5.1 kWh

    LiFePO4 Battery
    Model PowerBase R5
      • Electric Data

      Nominal Energy (kWh) 5.12
      Usable Energy (kWh) 4.79
      Depth Of Discharge (DoD) 95%
      Cell Type LFP (LiFePO4)
      Nominal Voltage (V) 51.2
      Operating Voltage Range (V) 44.8~56.8
      Max. Continuous Charge Current(A) 100
      Max. Continuous Discharge Current(A) 100
      Scalability 16
      • General Data

      Weight (Kg / lbs.)
      45 / 99.2
      Dimensions (W × D × H) (mm / inch) 442 x 560 x 173 / 17.4 x 22.05 x 6.81 
      Operating Temperature (°C) 0~ 55℃ (Charge), -20~55℃ (Discharge)
      Storage Temperature (°C)
      Delivery SOC State (20~40%)
      >1 Month: 0~35℃; ≤1 Month: -20~45℃
      Relative Humidity ≤ 95%
      Altitude (m / ft) 4000 / 13,123 (>2,000 / >6,561.68 derating)
      Protection Degree IP 20
      Installation Location Indoor
      Communication CAN, RS485, WiFi
      Display LCD
      Certificates UN38.3, IEC61000-6-1/3
    11.7kWh

    11.7kWh

    LiFePO4 Battery
    Model PowerBase 11
      • Electric Data

      Nominal Energy (kWh) 11.7
      Usable Energy (kWh) 11.1
      Depth Of Discharge (DoD) 95%
      Cell Type LFP (LiFePO4)
      Nominal Voltage (V) 51.2
      Operating Voltage Range (V) 44.8~56.8
      Max. Continuous Charge Current(A) 200
      Max. Continuous Discharge Current(A) 200
      Scalability 16
      • General Data

      Weight (Kg / lbs.)
      105 / 231.49 
      Dimensions (W × D × H) (mm / inch) 720 x 530 x 205 / 28.35 x 20.87 x 8.07
      Operating Temperature (°C) 0~ 55℃ (Charge), -20~55℃ (Discharge)
      Storage Temperature (°C)
      Delivery SOC State (20~40%)
      >1 Month: 0~35℃; ≤1 Month: -20~45℃
      Relative Humidity ≤ 95%
      Altitude (m / ft) 4000 / 13,123 (>2,000 / >6,561.68 derating)
      Protection Degree IP20 / IP65
      Installation Location Indoor / Outdoor
      Communication CAN, RS485, WiFi
      Display LCD
      Certificates UN38.3, IEC61000-6-1/3
    16kWh

    16kWh

    LiFePO4 Battery
    Model PowerBase 16
      • Electric Data

      Nominal Energy (kWh) 16.07
      Usable Energy (kWh) 15.27
      Depth Of Discharge (DoD) 95%
      Cell Type LFP (LiFePO4)
      Nominal Voltage (V) 51.2
      Operating Voltage Range (V) 44.8~56.8
      Max. Continuous Charge Current(A) 150
      Max. Continuous Discharge Current(A) 150
      Scalability 16
      • General Data

      Weight (Kg / lbs.)
      125 / 275.58
      Dimensions (W × D × H) (mm / inch) 890 x 530 x 240 / 35.04 x 20.87 x 9.45
      Operating Temperature (°C) 0~ 55℃ (Charge), -20~55℃ (Discharge)
      Storage Temperature (°C)
      Delivery SOC State (20~40%)
      >1 Month: 0~35℃; ≤1 Month: -20~45℃
      Relative Humidity ≤ 95%
      Altitude (m / ft) 4000 / 13,123 (>2,000 / >6,561.68 derating)
      Protection Degree IP20 / IP65
      Installation Location Indoor / Outdoor
      Communication CAN, RS485, WiFi
      Display LCD
      Certificates UN38.3, IEC61000-6-1/3
    5.1 kWh

    5.1 kWh

    LiFePO4 Battery
    Model RBmax5.1L
      • Electric Data

      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)
      Nominal voltage (V)  51.2
      Operating voltage range (V)  44.8 ~ 56.8
      • General Data

      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

      Certification
      IEC 62619, UL 1973, EN 61000-6-1, EN 61000-6-3, FCC Part 15, UN38.3
    • File Name
    • File Type
    • Language
    • pdf_ico

      ROYPOW Residential + C&I ESS Brochure (Euro-Standard) - Ver. July 28, 2025

    • EN
    • down_ico
    • Product Description
    • Product Specifications
    • PDF Download
  • PowerBase I5
  • PowerBase I6
  • PowerBase I6.5
  • 5000W

    5000W

    Hybrid Inverter
  • backproduct
    Support Generator
    Integration
  • backproduct
    IP65
    Ingress Rating
  • backproduct
    5 / 10 Years
    Warranty
  • backproduct
    Up to 12 Units
    in Parallel
  • backproduct
    Intelligent App Monitoring
    & OTA Upgrades
  • Pure Sine Wave Output

     

    System Topology

    6000W

    6000W

    Hybrid Inverter
  • backproduct
    Support Generator
    Integration
  • backproduct
    IP65
    Ingress Rating
  • backproduct
    5 / 10 Years
    Warranty
  • backproduct
    Up to 12 Units
    in Parallel
  • backproduct
    Intelligent App Monitoring
    & OTA Upgrades
  • Pure Sine Wave Output

     

    System Topology

    6500W

    6500W

    Hybrid Inverter
  • backproduct
    Support Generator
    Integration
  • backproduct
    IP65
    Ingress Rating
  • backproduct
    5 / 10 Years
    Warranty
  • backproduct
    Up to 12 Units
    in Parallel
  • backproduct
    Intelligent App Monitoring
    & OTA Upgrades
  • Pure Sine Wave Output

     

    System Topology

  • PowerBase I5
  • PowerBase I6
  • PowerBase I6.5
      • Input – DC (PV)

      Model PowerBase I5
      Max. Input Power (W) 9750
      Max. Input Voltage (V) 500
      MPPT Voltage Range (V) 85~450

      MPPT Voltage Range (Full load)

      223~450 

      Rated Voltage (V)

      380
      Max. Input Current(A) 22.7 
      Max. Short Current(A) 32
      Maximum Solar Charging Current (A) 120
      No. of MPPT/No. of String per MPPT 2/1
      • Input – DC (Battery) 

      Norminal Voltage (V) 48
      Operation Voltage Range (V) 40-60

      Max. Charge / Discharge Power (W)

      5000 / 5000
      Max. Charge Current / Discharge Current  (A) 105 / 112
      Battery Type Lead-acid/Lithium-ion
      • Grid (AC Input)

      Max. Intput Power (W) 10000
      Max. Bypass Input Current (A) 43.5
      Rated Grid Voltage (Vac) 220 / 230 / 240
      Rated Grid Frequency (Hz) 50 / 60

       

       

      • Backup Output (AC Output)

      Rated Output Power (W) 5000
      Surge Rating (VA, 10s) 10000
      Rated Output Current (A) 22.7
      Rated Output Voltage (V) 220/230/240 (Optional)
      Rated Frequency (Hz) 50/60

      THDV (@linear load)

      < 3%
      Back-up Switch Time (ms) 10 (Typical)

      Overload Capacity (s)

      5@≥150% Load ; 10@≥105%~150% Load
       lnverter Efficency (Peak) 95%
      • General Data

      Dimensions (WxDxH, mm / inch) 576 x 516 x 220 / 22.68 x 20.31 x 8.66 
      Net Weight (kg / lbs) 20.5 / 45.19
      Operating Temperature Range (℃) -10~50 (45 derating)
      Relative Humidity 0~95%
      Max. Altitude (m) 2000
      Electronics Protection Degree IP65
      Communication RS485 / CAN / Wi-Fi
      Cooling Mode Fan Cooling
      Three-phase string Yes
      Noise Level (dB) 55
      Certification EN IEC 61000-6-1, EN IEC 61000-6-3, EN IEC62109-1
      • Input – DC (PV)

      Model PowerBase I6
      Max. Input Power (W) 9750
      Max. Input Voltage (V) 500
      MPPT Voltage Range (V) 85~450

      MPPT Voltage Range (Full load)

      223~450 

      Rated Voltage (V)

      380
      Max. Input Current(A) 30
      Max. Short Current(A) 32
      Maximum Solar Charging Current (A) 120
      No. of MPPT/No. of String per MPPT 2/1
      • Input – DC (Battery) 

      Norminal Voltage (V) 48
      Operation Voltage Range (V) 40-60

      Max. Charge / Discharge Power (W)

      7000 / 6000 
      Max. Charge Current / Discharge Current  (A) 120 / 135
      Battery Type Lead-acid/Lithium-ion
      • Grid (AC Input)

      Max. Intput Power (W) 12000
      Max. Bypass Input Current (A) 54.5
      Rated Grid Voltage (Vac) 220 / 230 / 240
      Rated Grid Frequency (Hz) 50 / 60

       

       

      • Backup Output (AC Output)

      Rated Output Power (W) 6000
      Surge Rating (VA, 10s) 12000
      Rated Output Current (A) 27.3
      Rated Output Voltage (V) 220/230/240 (Optional)
      Rated Frequency (Hz) 50/60

      THDV (@linear load)

      < 3%
      Back-up Switch Time (ms) 10 (Typical)

      Overload Capacity (s)

      5@≥150% Load ; 10@≥105%~150% Load
       lnverter Efficency (Peak) 95%
      • General Data

      Dimensions (WxDxH, mm / inch) 576 x 516 x 220 / 22.68 x 20.31 x 8.66 
      Net Weight (kg / lbs) 20.5 / 45.19
      Operating Temperature Range (℃) -10~50 (45 derating)
      Relative Humidity 0~95%
      Max. Altitude (m) 2000
      Electronics Protection Degree IP65
      Communication RS485 / CAN / Wi-Fi
      Cooling Mode Fan Cooling
      Three-phase string Yes
      Noise Level (dB) 55
      Certification EN IEC 61000-6-1, EN IEC 61000-6-3, EN IEC62109-1
      • Input – DC (PV)

      Model PowerBase I6.5
      Max. Input Power (W) 9750
      Max. Input Voltage (V) 500
      MPPT Voltage Range (V) 85~450

      MPPT Voltage Range (Full load)

      223~450 

      Rated Voltage (V)

      380
      Max. Input Current(A) 30
      Max. Short Current(A) 32
      Maximum Solar Charging Current (A) 120
      No. of MPPT/No. of String per MPPT 2/1
      • Input – DC (Battery) 

      Norminal Voltage (V) 48
      Operation Voltage Range (V) 40-60

      Max. Charge / Discharge Power (W)

      7000 / 6000 
      Max. Charge Current / Discharge Current  (A) 120 / 145
      Battery Type Lead-acid/Lithium-ion
      • Grid (AC Input)

      Max. Intput Power (W) 13000
      Max. Bypass Input Current (A) 60
      Rated Grid Voltage (Vac) 220 / 230 / 240
      Rated Grid Frequency (Hz) 50 / 60

       

       

      • Backup Output (AC Output)

      Rated Output Power (W) 6500
      Surge Rating (VA, 10s) 13000
      Rated Output Current (A) 29.5
      Rated Output Voltage (V) 220/230/240 (Optional)
      Rated Frequency (Hz) 50/60

      THDV (@linear load)

      < 3%
      Back-up Switch Time (ms) 10 (Typical)

      Overload Capacity (s)

      5@≥150% Load ; 10@≥105%~150% Load
       lnverter Efficency (Peak) 95%
      • General Data

      Dimensions (WxDxH, mm / inch) 576 x 516 x 220 / 22.68 x 20.31 x 8.66 
      Net Weight (kg / lbs) 20.5 / 45.19
      Operating Temperature Range (℃) -10~50 (45 derating)
      Relative Humidity 0~95%
      Max. Altitude (m) 2000
      Electronics Protection Degree IP65
      Communication RS485 / CAN / Wi-Fi
      Cooling Mode Fan Cooling
      Three-phase string Yes
      Noise Level (dB) 55
      Certification EN IEC 61000-6-1, EN IEC 61000-6-3, EN IEC62109-1

       

       
    • File Name
    • File Type
    • Language
    • pdf_ico

      ROYPOW Residential + C&I ESS Brochure (Euro-Standard) - Ver. July 28, 2025

    • En
    • down_ico

    Your Off-Grid Living Power Choice

    Powerful, reliable, and easily accessible, revolutionize off-grid living with authentic off-grid residential energy storage systems.
    Empower Off-Grid Power Freedom

    Empower Off-Grid Power Freedom

    play

    Become a ROYPOW off-grid energy storage dealer

    Become A Dealer
    • 1. What is an off-grid solar system and how does it work?

      +

      Yes, it’s possible to use a solar panel and inverter without a battery. In this setup, the solar panel converts sunlight into DC electricity, which the inverter then converts into AC electricity for immediate use or to feed into the grid.

      However, without a battery, you can’t store excess electricity. This means that when sunlight is insufficient or absent, the system won’t provide power, and direct use of the system may lead to power interruptions if sunlight fluctuates.

    • 2. How much does an off-grid solar system cost?

      +

      The total cost of a complete off-grid solar system depends on various factors such as energy requirements, peak power requirements, equipment quality, local sunshine conditions, installation location, maintenance and replacement cost, etc. Generally, the cost of off-grid solar systems averages about $1,000 to $20,000, from a basic battery and inverter combination to a complete set.

      ROYPOW provides customizable, affordable off-grid solar backup solutions integrated with safe, efficient, and durable off-grid inverters and battery systems to empower energy independence.

    • 3. How to size an off-grid solar system?

      +

      Here are four steps recommended to follow:

      Step 1: Calculate your load. Check all of the loads (home appliances) and record their power requirements. You need to make sure what devices are likely to be on simultaneously and calculate the total load (peak load).

      Step 2: Inverter sizing. Since some home appliances, particularly those with motors, will have a large current inrush on startup, you need an inverter with a peak load rating matched to the total number calculated in Step 1 to accommodate the startup current impact. Among its different types, an inverter with a pure sine wave output is recommended for efficiency and reliability.

      Step 3: Battery selection. Among the major battery types, the most advanced option today is the lithium-ion battery, which packs more energy capacity per unit volume and offers advantages such as greater safety and reliability. Work out how long one battery will run a load and how many batteries you need.

      Step 4: Solar panel number calculation. The number depends on the loads, efficiency of the panels, geographic location of the panels with respect to solar irradiance, inclination and rotation of the solar panels, etc.

    • 4. How to install an off grid solar system?

      +

      Here are four steps recommended to follow:

      Step 1: Acquire components. Purchase components, including solar panels, batteries, inverters, charge controllers, mounting hardware, wiring, and essential safety gear.

      Step 2: Install solar panels. Mount the panels on your roof or in a location with optimal sun exposure. Securely fasten and angle them to maximize sunlight absorption.

      Step 3: Install the charge controller. Position the charge controller near the battery in a well-ventilated area. Connect the solar panels to the controller using appropriate gauge wires.

      Step 4: Install the battery. Connect the battery in series or parallel according to your system’s voltage requirements.

      Step 5: Install the inverter. Place the inverter near the battery and connect, ensuring correct polarity, and link the AC output to your home’s electrical system.

      Step 6: Connect and test. Double-check all connections, then power on the solar system. Monitor the system to confirm proper operation, making any necessary adjustments.

    • 5. What is off-grid and on-grid solar system?

      +

      An off-grid solar system operates independently from the electrical grid, generating and storing enough energy to meet a household’s needs.

      An on-grid solar system is connected to the local utility grid, seamlessly integrating solar power for daytime use while drawing electricity from the grid when solar panels generate insufficient energy, such as at night or on cloudy days

    • 6. Which is better, off-grid or on-grid solar system?

      +

      Off-grid and on-grid solar systems have their unique pros and cons. The choice between off-grid and on-grid solar systems depends on specific factors, including but not limited to:

      Budget: Off-grid solar systems, while offering complete independence from the grid, come with higher upfront costs. On-grid solar systems are more cost-effective, as they can reduce monthly electricity bills and potentially generate profit.

      Location: If you live in an urban setting with easy access to the utility grid, an on-grid solar system can seamlessly integrate into your existing infrastructure. If your home is remote or far from the nearest utility grid, an off-grid solar system is better, because it eliminates the need for costly grid extensions.

      Energy Needs: For larger and luxury homes with high power demands, an on-grid solar system is better, offering a reliable backup during periods of low solar production. On the other hand, if you have a smaller home or live in an area with frequent power outages or unstable grid connectivity, an off-grid solar system is the way to go.

    • 7. Can off-grid inverter work without battery?

      +

      Yes, it’s possible to use a solar panel and inverter without a battery. In this setup, the solar panel converts sunlight into DC electricity, which the inverter then converts into AC electricity for immediate use or to feed into the grid.

      However, without a battery, you can’t store excess electricity. This means that when sunlight is insufficient or absent, the system won’t provide power, and direct use of the system may lead to power interruptions if sunlight fluctuates.

    • 8. What is the difference between hybrid and off-grid inverter?

      +

      Hybrid inverters combine the functionalities of both solar and battery inverters. Off-grid inverters are designed to operate independently of the utility grid, typically used in remote areas where grid power is unavailable or unreliable. Here are the key differences:

      Grid Connectivity: Hybrid inverters connect to the utility grid, while off-grid inverters operate independently.

      Energy Storage: Hybrid inverters have built-in battery connections for storing energy, while off-grid inverters rely solely on battery storage without the grid.

      Backup Power: Hybrid inverters draw backup power from the grid when solar and battery sources are insufficient, whileoff-grid inverters rely on batteries charged by solar panels.

      System Integration: Hybrid systems transmit excess solar energy to the grid once the batteries are fully charged, while off-grid systems store excess energy in batteries, and when full, the solar panels must stop generating power.

    • 9. How long do off-grid batteries last?

      +

      Typically, Most solar batteries on the market today last between five and 15 years.

      ROYPOW off-grid batteries support up to 20 years of design life and over 6,000 times of cycle life. Treating the battery right with proper care and maintenance will ensure a battery will reach its optimal lifespan or even further.

    • 10. What is the best battery for off-grid solar system?

      +

      The best batteries for off-grid solar systems are lithium-ion and LiFePO4. Both outperform other types in off-grid applications, offering faster charging, superior performance, longer lifespan, zero maintenance, higher safety, and lower environmental impact.

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