Battery capacity meets your needs

No 1 PowerOka PPS (Portable Power Supply) series are guaranteed for 2 year. they offer DC&AC power supply wherever and whenever you need power, like RV, camping, construction site, house power bankup, disaster relife etc.

No 2 Energy Storage System (ESS) is guaranteed for 5 years, which are sufficient to power most homes during peak evening hours, or when the grid fails. Multiple batteries may be installed together for homes with more energy need.

No 3 Lithium battery capacity ranges from 400Wh to 16kWh to meet different needs.

Why PowerOak?

Advanced Technology 

self-patented, unique topology

Designed & manfactured by PowerOak, guaranteeing the highest system compatibility

Advanced laboratory & equipment

Multiple applications and mulitiple operating modes

Built-in high quality li-ion battery with self-developed BMS for ESS specailly

Innovative R&D team, follow up the market, ahead of trend

200 experienced engineers guarantee the high quality

Competitive Price

Self-design & self-manufacture

Lithium battery manufacturer for 16 years

112000m² factory with 1000 employees

Great Service

Meet the needs of different customers is our lifelong goal

OEM/ODM project are welcome

Provide consistent & considerable products and services to global customers



About our Products


Solar energy is a clean energy, green and environmental protecting, it makes efficient use of limited resources and reduce CO2 emissions.

The energy conservation and emissions reduction consciousness and demand is growing in the society.

It is the time of well storage and smart usage of household electricity.

POWEROAK household solar power station is not only a simple electricity storage system, but also the combination of electricity system and solar power system, which realized the life of ICT new electricity power.

Electricity Saving

In the daytime using the electricity charged by AC grid at the night, energy and bill saving.

Charge the solar power storage system at night when 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 like led lighting ,TV, fridge, air conditioner and so on.  or charge the power storage system with the redundant power, to reduce the use of electricity from Grid system.

 UPS 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 solar back up energy 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.

Working mode

General Working Mode (Suitable for areas without solar power generation, off-grid)

Store the electricity in the night when the electric prices are low for daytime electric use, to save the expense for electricity.

Power Saving Mode (Suitable for areas with solar power generation, off-grid)

Connect to solar power generation system, directly invert electricity generated from solar panel to AC electricity to supply household application. The storage battery can be charged with the extra solar electricity or in the night when the electricity price is low.

Other working mode

Customers can specify appropriate working mode according to their requirement.

Connect important load to power storage system, at the time of emergency power outages, the system will supply uninterrupted power in usual time, store the electricity in the night when the electricity price is low, and use the stored electricity in daytime, to save electricity cost.

The time interval for power storage can be selected, every night the grid will automatically charge the power storage system.


About ♣ Delivery♣ Payment♣ Warranty

♣ Delivery

1. We are shipping this item to worldwide except some sensitive countries.

2. Delivery time need to be confirmed as we are not a retailer but manufacture and we need check our stock.

3. We ship to sample by DHL, FedEx, UPS, TNT or Air,Sea which normally costs 3to 35 days after delivery. We will inform you of the tracking number/infomation  for sure and also keep eye on the delivery and remind you of receiving the cargo.

4. Wholesale order will be delivered by air or by sea based on buyers' requirements.

5. Please pay attention that import duties, taxes and charges are not included in the item price or shipping charges. These charges are the buyer's responsibility. Check with your country's customs office to determine what these additional costs will be prior to bidding/buying, Thank you.


♣ Payment

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.


♣ Warranty

1.  Warranty: 2/5Year

2.  PICC insurance our power bank all over the word

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