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BLUETTI EP900 + B500 Home Battery Backup EP900+2xB500


  • Whopping ability - for up to 9,000W, 120V/240V devices
  • Expandable capacity - 9,920Wh~19,840Wh
  • Industry-leading warranty - 10-year coverage
  • Unparalleled safety - LiFePO₄ battery
  • Perfect compatibility - works with existing/new solar system
  • IP65 Water-resistant - in/outdoor installation
  • Efficient & effective - sell electricity back to the grid




Experience True Energy Independence

Harness and store solar power for on-demand use. Whether you want to avoid high energy bills during peak hours, protect yourself against potential energy price hikes, or prepare for a power outage when utility power is unavailable, you can rely on the EP900&B500 Energy Storage System to keep your essential appliances running smoothly. Moreover, you can sell any excess energy back to the grid, making your energy consumption more efficient and cost-effective.


BLUETTI EP900 + B500 Home Battery Backup


Design A System That's Right For You

With an impressive 10-20kWh capacity, up to 9,000W of power, and the capability to run both 120V and 240V devices, the EP900 can accommodate your daily needs effortlessly.


BLUETTI EP900 + B500 Home Battery Backup


Superpower For Heavy-duty Work

The EP900 has a 9kW inverter that provides either 120V or 240V output options, making it suitable for high-wattage appliances - like power tools in small business and residential scenarios. Combine two EP900 units in parallel to reach as much as 18kW output, enough to power the whole house without any fuss.


BLUETTI EP900 + B500 Home Battery Backup


100% Modular Design, More Possibilities

Modularity is how flexible it is to customize your battery to meet changes in your home's energy requirements. EP900 allows you to incrementally increase your battery capacity of up to 19.8kWh (39.6kWh for two EP900s) as your home's energy needs grow over time.


BLUETTI EP900 + B500 Home Battery Backup


Spare You A World of Hassle

The EP900 system adopts the most pioneering technology and the safest LiFePO4 battery for optimal performance. It also provides an unprecedented 10-year warranty and certified installation services (optional), giving you the most convenient, worry-free, and reliable home backup power in all directions.

BLUETTI EP900 + B500 Home Battery Backup









Scalability: With 2~4 B500's (From 9.9KWh~19.8KWh)
App Control: BLUETTI APP via WiFi or Bluetooth
Warranty: 10 Years
Protection Grade: IP65
Noise: ≤50 dB (A)
Working Temperature: -4℉~122℉ / -20℃~50℃
Relative Humidity: 5%~95%


AC (Grid-Tied)


Output Power (240V): 9kW
Wiring: L1 / L2 / N / G
Voltage: 120VAC / 240VAC
Output Current: 37.5A × 2
Input Frequency : 60Hz
On and Off-grid Switching Time: <10ms
Protection: Anti-islanding Protection
Output Overcurrent Protection
Short-circuit Protection
Over-temperature Derating
Over-temperature Shutdown
Note: The PV system is installed on the battery side and has no residual current detection.


AC (Off-Grid)


Output Power (240V): 9kW Note: 7.6kW with 2 B500
Output Voltage: 120VAC / 240VAC
Output Current: 37.5A × 2
Input Frequency: 60Hz
Protection: Output Overcurrent Protection
Output Short-circuit Protection
Over Temperature Protection


PV Input


Maximum Input Power: 9kW with 4 B500 7.5kW with 3 B500 5kW with 2 B500
MPPT Channels: 2 (3000W + 6000W)
Array In Series: 1/2 (3000W + 6000W)
Maximum Input Voltage: 550V
MPPT Voltage Range / Rated: 150V~500V / 360V
Single MPPT Maximum Input Current: 12.5A / 25A
Single MPPT Maximum short circuit current: 15A/30A
MPPT Efficiency: 99.90%
PV Inversion Efficiency: 97.0% Max.
Protection: Reverse Polarity Protection
Insulation Resistance Detection
Arcing Detection




NEMA 4X, CA65, FCC, IC, UL1741, IEC62619, IEC60529, IEC60730-1, UL9540 (EP900+B500)


Packaging List


EP900 inverter: x 1
Sub Panel (Reliance): x 1
Bracket #1: x 2
Bracket #2: x 2
M5 hex nut: x 2
Plastic cover (PV): x 1
Plastic cover (AC, with label): x 1
Cord organizer: x 2
AC cable protection case: x 1
Plastic housing (PV+ Input) Metal core (PV+ Input): x 2
Plastic housing (PV- Input) Metal core (PV- Input): x 2
MC4 wrench: x 1
Black protection cover (BAT- Input) (Pre-installed on EP900 inverter): x 1
Red protection cover (BAT+ Input) (Pre-installed on EP900 inverter): x 1
M4*12 screw (8 for BAT+/- protection cover, 6 for AC cable protection case, pre-installed on EP900 inverter): x 14
M8*12 screw (For battery power cable): x 2
M6*12 screw (For bracket, pre-installed on EP900 inverter): x 2
M5*10 screw (4 for fixing device to the bracket, 2 for PV grounding): x 6
M4*10 screw (For exterior trim): x 10
M8*60 expansion bolt: x 2
RNB8-6S OT terminal (AC): x 9
RNB3.5-5S OT terminal (PV Grounding): x 3
Red battery power cable (Positive): x 1
Black battery power cable (Negative): x 1
IoT Controller: x 1
Mounting bracket (IoT controller/Grid communication module): x 1
Grid communication module: x 1
Expansion wall plug: x 2
M3 tapping screw (KA3*25): x 2
CT signal cable (4m)x 1 DRMs+COM signal cable (4m): x 1
M20-6 PIN adapter: x 2
CT: x 2
Self-tapping screw M8*40: x 2






B500 General


Protection Grade: IP65
Noise: <25dB
Operating Temperature: Charging: 32℉~104℉ / 0℃~40℃ Charging: -4℉~104℉ / -20℃~40℃
(Inverter connects to the grid)
Discharging: -4℉~104℉ / -20℃~40℃
Storage Temperature: -4℉~104℉ / -20℃~40℃/ At least one
charge cycle per month.
32℉~95℉/ 0℃~35℃ / At least one
charge cycle every six months.
Working Humidity: 5%-95%
Working Altitude: <2000m


B500 Battery


Battery Type: Lithium Iron Phosphate Cells (LiFePO4)
Rated Capacity: 4960Wh
Usable Capacity: 4464Wh
Temperature Adaptive Function: Yes
Short-circuit Protection: Yes




UL9540A, UL1973, UKCA, RCM, PSE, IP65, ICES, FCC, CE, CB


Packaging List


B500 Battery Module: x 1
Bracket #1: x 2
Bracket #2: x 2
M5 hex nut: x 2
Self-tapping screw M8*40: x 2
Left cover: x 1
Right cover: x 1
M4*8 screw: x 10
M5*10 screw: x 4
Red battery expansion cable (Positive): x 1
Black battery expansion cable (Negative): x 1
Communication cable: x 1
Grounding cable: x 1
M8*60 expansion bolt: x 2
M6*12 screw (Grounding cable): x 2
Spare screws: x 1



User Manual

Download Owner's Manual




  • Q1: How much power can the EP900 provide?

    EP900 can provide up to 9kW output. Please note that when you combine 1 EP900 and 2 B500 units, the system can only provide a maximum of 7.6kW of power.

  • Q2: What is the battery life of the EP900?

    Based on the battery's throughput, we guarantee a minimum of 15.48MWh per battery pack.

  • Q3: What is the noise level of the EP900?

    Less than 50dB.

  • Q4: What is the maximum solar input of EP900?

    It depends on how many B500 battery packs you connect to it. Numbers of B500 Battery Packs Max. solar Input 6,000W 2 9,000W 3/4

  • >Q5: How can I recharge the EP900?

    You can recharge it via your rooftop solar panels or home grid.

  • Q6: Can I charge the EP900 via solar and grid power simultaneously?

    Yes, the EP900 accepts both solar and grid power simultaneously, with a maximum input of 9kW. Note that the system always prioritizes charging with solar energy.

  • Q7: If I already have a solar system and inverter at home, can I use them together with the EP900?

    Yes, you can. Please provide us with the power and voltage details of your current system so we can help you plan a suitable installation.

  • Q8: Can the EP900 prioritize solar power usage?

    Yes, the EP900 comes with an intelligent energy management system that allows you to set charging and discharging times, as well as the SoC limits, to maximize the use of solar energy and minimize your electricity bills.

  • Q9: How many MPPT channels does the EP900 have, and how many solar panels can be connected to it?

    The EP900 has dual MPPT controllers that can handle up to 3,000W and 6,000W of solar input separately. To determine how many solar panels you need, refer to the full specifications of the panels. Each MPPT channel of the EP900 supports a voltage range of 150V-500V and a maximum working current of 12.5A.

  • Q10: Can I program the EP900 to charge and discharge according to my energy usage patterns and needs?

    Yes, you can set a charging and discharging schedule in the BLUETTI App.

  • Q11: Is it possible to add additional battery packs to the EP900 after it has been installed?

    Yes, but additional installation fees may apply. We recommend that you plan in advance for all your power needs.

  • Q12: Can I control the EP900 via the App?

    Yes, with the BLUETTI App, you can control and monitor your EP900  from anywhere, anytime.

  • Q13: Will the failure of the EP900 affect the normal supply of my home?

    No, the system comes with a maintenance switch that can be manually triggered to switch back to grid power.

  • Q14: Can the EP900 be used with battery packs other than the B500, such as the B300, B300S, or B230?

    No, the EP900 only accepts B500 battery packs now.

  • Q15: What's the power consumption in standby mode?

    It's about 50 watts.

  • Q16: Does it have an energy-saving ECO function?

    Yes, you can enable ECO mode in the BLUETTI App.

  • Q17: What is the switching time for the UPS feature?

    In 10ms.

  • Q18: Do I need to purchase any additional accessories or components to install the EP900?

    Possibly, it depends on your specific installation requirements. Please consult with your installer for more details.

  • Q19: What is the weight capacity of each unit?

    The B500 battery pack can support a weight of over 441 lbs/200kg, allowing you to stack up to 4 battery packs or 3 battery packs with an EP900 unit. And this won't affect heat dissipation.

  • Q20: Is it necessary to ground the EP900 unit?

    Yes, grounding the EP900 unit is necessary for safety reasons and to ensure proper functionality.

  • Q21:Can the EP900 charge electric cars?


  • Q22: Is the EP900 a hybrid system?


  • Q23: Can I install the EP900 unit by myself?

    No, the system should be installed by a licensed electrician, and we highly recommend our authorized installers.

  • Q24: Can the EP900 be used as backup power for medical equipment?

    No, the EP900 is intended for home use only.

  • Q25: How can I check the operation status of the EP900?

    You can check the basic system information from the EP900's indicators, and learn more on the App.

  • Q26: Are the EP900 and B500 waterproof and dustproof?

    They have an IP65 rating to protect them from water-resistant and dust.

  • Q27: What kind of warranty do the EP900 and B500 come with?

    The EP900 unit and B500 battery pack come with a 10-year warranty, while consumable accessories such as fans and WiFi modules have a 3-year warranty. Paid maintenance is available after the warranty period expires.

  • Q28: What should I do if there are quality issues during the warranty period?

    Simply submit a maintenance request on the BLUETTI App, providing a brief description of the issue, your address, and contact information. Our team will contact you and arrange an on-site inspection and maintenance.

  • Q29: Does BLUETTI offer product liability insurance for its products?

    Yes, we have purchased third-party product liability insurance worldwide.

  • Q30: Is the EP900 risky or prone to catching fire?

    The EP900 is designed to prioritize safety and reliability. However, it's essential to take certain precautions to maintain its longevity. Please keep the device away from heat sources like heaters and fire, avoid exposing it to direct sunlight, and prevent severe impacts or contact with chemicals. Please note that any accidents resulting from these situations are not covered by the manufacturer's warranty.