Joe Lou

Solar ESS supplier-----PowerOak

by from Kayo Maxtar Battery Limited

This Solution offers an ODM/OEM/EMS service.
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PowerOak ESS is the integrated solar power system with solar charge controller, AC-DC charger, lithium ion battery with advanced BMS, pure sine wave

About this Solution:


Uninterrupted Power Supply

PowerOak’s ESS has UPS function. Householder won’t worry about power outage because of natural disaster and other unexpected reasons.

Save Money

Solar panels charge ESS inside battery. Use the battery stored energy for night peak consumption period. become more independent from utility. Charge battery by lower rate during deep night, use the charged electricity for morning peak consumption time and get benefit from electricity price difference.

Earn Money

Solar energy fulfills house electricity needs at first, then charges battery. After battery fully charged, exceeded electricity can be still sold to grid for subsidy.

Control your power consumption anywhere anytime

Along with PowerOak’s all-in-one solar ESS, end user will get a free APP, where householder can see their power generation and consumption anytime and anywhere.



Four Working Mode

♣ Electricity Saving

In the daytime using the electricity stored in the night, energy saving.

Charge the power storage system in night time of less electricity consumption, and in the daytime use the electricity that stored in the night, contribute to restrain power waste.

Connected to solar power generation system, it can supply power directly to household appliances, or charge the power storage system with the redundant power, to reduce the use of electricity from Grid system.

♣ Reassurance

When there is a power failure, the stored electricity can be used as backup power, the product has the function of UPS.

When there is a power failure, the product act as an emergency power supply for LCD TV and LED lighting, and other important electric application, to ensure continuous output power.

♣Remote monitoring support

The battery system utilization can be showed on LCD screen, automatic management and alarm. Or you can use portable terminal and realize remote monitor through the internet, safe use.

POWEROAK household power generation and storage system is able to set different working mode according to household lifestyle.




1.Warranty: 5 years and changeable extended warranty

2.If item is found defective or wrong, please contact us within 7 days after your received the it. We will offer you an exchange.

3.Customer is responsible for the returning shipping fee and we will send the replacement after receiving the returned item.

4.Please make sure that the item is just the one you need before you bid. And welcome to contact for any confirmation.


1.We accept payment via PayPal, Western Union and T/T for sample and T/T for wholesale order.

2.We will send you proforma invoice with payment needed information after confirming all related terms.

3.The payments are expected within 3-5 days after T/T payment.

4.The bank fee by T/T will be bear by buyer as seller has our own bank fee.

5.Please send by T/T receipt and at least tell me your paid, so that we can pay our attention to check it and inform of you the payment after getting it on bank account.

Certifications Acquired:

  • SAA

Potential Applications:

Our Main Products


Power Oak is an subsidiary company of Kayo Maxtar, our business start from 1999. We are manufacture for lithium battery, solar ESS and power bank. Factories are located in Shenzhen and Hunan. Our products have been exported to over 30 countries. With a strong R&D team, we are able to satisfy various demand of our customer, capable for OEM/ODM projects as well as developing our own products. Being equipped with full facility of production and testing, we have built up a long term relationship with Honeywell, Panasonic, Toshiba, NTT, Mitsubishi, Samsung and other famous enterprises.

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Ideal Partners

This Solution is most applicable for the following stages and categories:

  • All development stages
  • Industrial Applications
  • Sports Devices
  • Smart Home Devices
  • Other Technologies
  • solar system

Brought to you by Joe

Sales Manager at Kayo Maxtar Battery Limited
KAYO MAXTAR company group is one of the large-scale battery manufactures in China. It was co-established with deep cooperation in technology and management from china and KAYO Battery Company from ...
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