Solar Battery System, Solar Batteries for Home

yiy powerwall Home Battery - Energy Storage System ESS

General Models 2.6kWh to 52kWh
( Can be customized )

Battery Votage
General Models 12V 24V 48V
( Can be customized )

Depth of Discharge
100% discharge depth without damaging the battery.

Life span
Long cycle life of 10 years, at least 2500 times on 100% DOD


Customized charger make system life maximization

Unique automatic calibration active balancing technology BMS system

Home ESS
51.2Vdc voltage output suitable for home energy storage system, communication stations and other application

Communication Port
Standard CAN & RS485 communication port, can meet the requirement of several packages to connect in parallel, Master & Slave relationship, Monitor and otherprolongation functions.

LifePO4 Battery performance 10 times better than normal battery

You don't have to worry about anything. It takes good care of battery

1. Accurately monitor battery SOC to prevent damage from overcharge and overdischarge, Over current / over temperature / low temperature protection, multi-stage fault diagnosis protection ;

2. Single cell Balanced Charging, Balanced and consistent state of each cell in the battery pack

3. The charge or discharge of the battery is managed according to the state of the environment and the battery state, with the best charge or discharge curve of the battery

YIY POWERWALL Engergy Storage System Configuration

LifePO4 Battery Mode List Inverter&Solar
SPEC Capacity DISC C CHG C Dimension(Unit) N.W.(kg) Dimension(Shipping) G.W.(kg) Inverter(MAX) MPPT(A) Solar(W)
51.2VDC50AH 2.6KWH 50A 30A 435*400*238mm 37kg 535*425*300mm 40kg 2KW48VDC 20A 1KW
25.6VDC100AH 1KW24VDC 0.5KW
51.2VDC100AH 5.2KWH 100A 50A 680*400*238mm 64kg 815*425*515mm 78kg 3KW48VDC 40A 2KW
25.6VDC200AH 2KW24VDC 1KW
25.6VDC150AH 3.9KWH 150A 75A 500*530*188mm 48kg 625*610*270mm 53kg 3KW24VDC 40A 1KW
12.8VDC300AH 300A 150A 3KW12VDC 80A 1KW
51.2VDC150AH 7.8KWH 150A 75A 805*530*188mm 85kg 925*610*380mm 105kg 6KW48VDC 40A 2KW
25.6VDC300AH 300A 150A 6KW48VDC 80A 2KW
51.2VDC500AH 26KWH 300A 152A 530*735*1600mm 450kg 780*830*1700 500kg 12KW48VDC 80A 4KW
51.2VDC1000AH 52KWH 500A 250A 1100*735*1400mm 750kg 1400*850*1600 800kg 12KW48VDC*2 120A 6KW

5.2kWh Represent Capacity Parameters & Specifications

Slide to the left for full table
No. Item Parameters
1 Combination Method 16 Series 2 Parallel
2 Rated Voltage 51.2V
3 Rated Capacity 100Ah
4 Rated Energy 5.12KWh
5 Voltage Range 40-56Vdc
6 Cooling Method Natural cooling
7 Max Charge Current 1C
8 Charge Current 30A(0.3C)
9 Discharge Current 100A(1C)
10 Work Temperature on Charge 0℃~45℃
11 Work Temperature on Discharge -20℃~55℃
12 Storage Temperature -20℃~45℃(In one month)
0℃~35℃(In one year)
13 Storage Humidity <70%
14 Pack Dimension 680±2×400±2×235±2mm
15 Pack Weight 68±2kg

5.2kWh Represent Capacity Components In Pack


Components Specification pcs
Chassis 680*400*235mm(L*W*H) 1
Battery Cell 50Ah 3.2V 32PCS
Electronic Breaker 125A2P 1PCS
LED LED Indicator board 1PCS
Communication RS485 & CAN board 1PCS
Positive Cable 25 mm² 1meter/Red 1PCS
Negative Cable 25 mm² 1meter/Black 1PCS
BMS Main Control Module BSN01 1PCS
Voltage Data Cable —— 1PCS
Temperature Data Cable —— 1PCS

YIY Home Battery – Solar Energy Storage Battery Package – ESS

5.2kWh video

Company Profile

YIY Electric Company Profile Inverter and Voltage Stabilizer Manufacturer

Yiyuan Electric Co., Ltd. is a high and new tech enterprise specialized in manufacturing electrical power products for power supply systems. Our main products are Automatic voltage regulators ( AVR), Uninterruptable power suppliers (UPS), Inverters (INV), Emergency power source (EPS), Battery chargers and Battery Energy Storage System (ESS) etc.

As a result of our attention on quality and reliability, our products have been approved by TLC & CCCF. And we have attained CE, TUV, FCC, PCT and ISO9001 certificates, with UL pending. In addition to our economical prices and customer service, it has helped our products to gain popularity and good reputation globally.

Eight years of specializing production has made our products best-selling in the world market, like Russia, Southeast Asia, Africa, Mid-east regions, North America etc, and have enjoyed good reputation from the customers all over the world.

Special Service

Made of our clients need, from the product structure, Product appearance, casing LOGO, box & user manual printing, and so on all our clients need.

When you would not deal with us for OEM or ODM, also welcome to work with us for our brand. And you should have clear idea in running the brand and a good ability to expand market.

Ⅲ、Package design:
We offer free package design services to help you meet critical business objectives for OEM. If your company needs a powerful logo or catalog book, also to ask about cheap design services.

After you place an order, you may need the product picture professional for market development and sales promotion, let us know and enjoy our free Photography service.

Ⅴ、Sourcing agent:
When you need any other China electric products which it is relate to our industry, welcome to ask us as your agent to find the right manufacturer for you. We have a good intercommunicate between China manufacturers. And we are the legal company to help you to get the competitive price and good supplier.

How to Order
Contact us
1. Send inquiry from the button below
2. Send E-mail to 4. Call us +86-577 27772136, 27772122
Discuss details
1. Get our quotation
2. Confirm the models & quantity
3. Confirm shipping fee and total price
4. Confirm PI
Make the payment
Make the payment by T/T(Bank Transfer) / Western Union etc.
Delivery goods
Goods will be sent ASAP after payment confirmed.
Receive goods
1. Get tracking number to tracking the pacakge
2. Please cooperate the delivery when the parcel arrived
Order finished
Congratuations! Order finished.

  1. 1
    Is small order less than 100pcs accept?

    Yes, you can buy small order in our online shop

  2. 2
    What kind of payment do you accept?

    We accept T/T, L/C At sight, PAYPAL, Western Uion, Credit Card or MoneyGram.

  3. 3
    What about your delivery time?

    We have a lot of products in stock, the delivery time would be within 3 working days If out of stock , we will check the delivery time for you.Actually, it’s up to your order QTY, but should about 15days for 20’feet container.

  4. 4
    How to ship my order? Is it safe?

    For small package, we will send it by Express, such as DHL,FedEx,UPS,TNT,EMS. That’s Door to Door service. For big packages, we will send them by Air or By sea, ensure the package safety.

  5. 5
    Would you offer FROM A, FROM E or C/O?

    No probelm, we would apply for this certificate to government.

  6. 6
    Where is your market?

    Our products are popular on Middle east, Italy, Australia and Malaysia etc.

  7. 7
    Can you use our LOGO?

    YES, we can use your logo if you have good qualiy and big QTY.

  8. 8
    Can you send goods to YIWU or GUANGZHOU?

    No problem, we have many customers in YIWU and Guangzhou.

  9. 9
    What certificates do you have ?

    We have CE, ISO, IP65, ROHS.

  10. 10
    Do you have a catalogue? Can you send me the catalogue to have a check of all your products?

    Yes, please contact us on line or Email us, then we would send the catalogue.

  11. 11
    Do you have a price list include all products?

    We only have few mainly products price list for your reference. For the others, please kindly send us your demand, then we would quote accordingly.

  12. 12
    I can’t find the product on your catalogue,only have par no. or picture, will you search for me?

    Our catalogue shows most of our products, some new, we didn’t update, so please feel free to contact us with the part no. or picture.

  13. 13
    Could I ask making a new mould?

    Sure,please offer 2-5pcs samples for us design and produce for you.

  14. 14
    How long to make a new mould?

    30-45 days depending on the samples’ complexity.

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