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    At this Solar Africa Expo, our company successfully debuted in Kenya with new energy products such as wind turbines, wind turbine controllers, energy storage inverters, solar controllers, wind solar complementary controller inverters, and lithium battery packs, attracting batches of professional customers from the new energy industry to negotiate cooperation. On the first day of the exhibition, oulu company became the hottest booth in the entire solar exhibition and was awarded an honorary certificate by the organizer.

  • OLU in SNEC 2023 !!!

    OLU in SNEC 2023The 16th (2023) International Solar Photovoltaics and Smart Energy Exhibition (SNEC) was held in Shanghai from March 24th to 26th, 2023. This year's SNEC attracted over 500000 people to register, with over 3100 companies attending.

  • Olu brand solar storage inverter in SNEC 2023

    OLU in SNEC 2023The 16th (2023) International Solar Photovoltaics and Smart Energy Exhibition (SNEC) was held in Shanghai from March 24th to 26th, 2023. This year's SNEC attracted over 500000 people to register, with over 3100 companies attending.

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    Nanjing Oulu Electric Corp has been deeply involved in the communication base station wind solar complementary project for many years, providing a complete set of integrated solutions for the wind solar complementary power supply system for the base station. It has mature solutions and a large number of application cases, and has a large market share in China. The system configuration of the communication base station wind solar complementary project includes wind turbines, solar modules, communication integrated control cabinets, battery packs, and outdoor storage boxes for batteries. The communication integrated control cabinet adopts a modular design that fully meets the communication power supply standards. It adopts modular control, and the system is divided into commercial power modules, photovoltaic modules, wind turbine modules, and diesel generator modules. Each module works independently and coordinates with each other, facilitating maintenance and expansion, and meets the

  • See you in SNEC 2023

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    Our company Nanjing Oulu Electric Co., Ltd. is a professional manufacturer of solar and wind power generation equipment that specializes in research and development, production, sales, and service. The company has been committed to the new energy industry for 16 years since 2007. The main new energy products include wind turbines, solar controller inverters, solar hybrid inverters off grid and on off grid, wind solar complementary controllers, wind solar complementary control inverter integrated machines, etc. In addition to new energy products, our company also develops and produces industrial automation products, including VFD, servo motors, and servo drives.

  • Oulu Brand New Energy Products Shine Brightly at the Solar Africa Kenya Exhibition!

    At this Solar Africa Expo, our company successfully debuted in Kenya with new energy products such as wind turbines, wind turbine controllers, energy storage inverters, solar controllers, wind solar complementary controller inverters, and lithium battery packs, attracting batches of professional customers from the new energy industry to negotiate cooperation. On the first day of the exhibition, oulu company became the hottest booth in the entire solar exhibition and was awarded an honorary certificate by the organizer.

  • OLU in SNEC 2023 !!!

    OLU in SNEC 2023The 16th (2023) International Solar Photovoltaics and Smart Energy Exhibition (SNEC) was held in Shanghai from March 24th to 26th, 2023. This year's SNEC attracted over 500000 people to register, with over 3100 companies attending.

  • Olu brand solar storage inverter in SNEC 2023

    OLU in SNEC 2023The 16th (2023) International Solar Photovoltaics and Smart Energy Exhibition (SNEC) was held in Shanghai from March 24th to 26th, 2023. This year's SNEC attracted over 500000 people to register, with over 3100 companies attending.

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3.5kwh Energy Storage Lithium Solar Battery System with MPPT Controller And Inverter

Availability:
Quantity:
  • OLU-3000A

  • OULU

Overview

 

  • One-stop household solution

  • Modular design and intelligent switching

  • Each battery is equipped with an independent BMS battery energy management system

  • Support GPRS/WIFI/RS485, remote monitoring

  • warranty 3 years, 10+ years life design


2.5kwh battery


2


1


Package and shipping
Nanjing-Oulu-Electric-Corp-Ltd- (9)
Nanjing-Oulu-Electric-Corp-Ltd- (10)


Nanjing-Oulu-Electric-Corp-Ltd-


Applications

Solar panels are sold to more than 100 countries around the world, such as the US, Mexico, Brazil, Argentina, the United Kingdom, France, Germany, Italy, Ukraine, Poland, Spain, Thailand, Vietnam, Japan, Oman, Kuwait, Syria, South Africa, Zambia, Nigeria and other countries

图片1



Production 


solar energy battery

Model

OLU-2000A

OLU-3000A

Inverter Parameters

Inverter  Output

Rated power

2kW

3kW

AC rated voltage

230VAC

Rated frequency

50Hz

AC voltage

230VAC±5%

Max. power output

2kW

3kW

Max. Efficiency

92%

Switchover time

10ms

Wave

Pure sine wave

Inverter Input

Battery  overvoltage

31.0V

Battery undervoltage warning

23.8V

Battery undervoltage

22.8V

Constant charge voltage

28.8V

Float charge voltage

28.0V

Grid Input

Rated voltage

220V

Voltage range

90~280VAC

Rated frequency

50Hz

Frequency range

40~70Hz

Rated current

10.9A

Max. AC current

17A

PV Input

Max. voltage

85VDC

Inverter Charge

Inverter Max. charge current

100A

Grid Max. battery charge current

50A

PV Max. charge current

50A

Battery Parameters

Rated capacity

2.56 kWh

3.5 kWh

Nominal voltage

25.6V

Discharge voltage range

21.6~28.8V

Charge current

0.5C@25℃

Max. charge current

1C@25℃

Max. discharge current

1C@25℃

Max. power output

2560Wh

3500Wh

Depth of discharge DOD

0.9

Communication  interface

RS232

Cycles

6000 cycles 80%DOD.@25℃

Operating  temperature  range

Charge:0℃ ~50℃

Discharge:-10℃ ~60℃

Storage temperature

-20℃ ~ +60℃















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