Sail Solar Residential ESS High Voltage Stackable Lithium Battery 51.2V/256V/512V 200Ah
Build-in smart battery management system (BMS) provide:
Online cycle lifetime forecast
Intelligent SOC, SOH, micro-short circuit, etc.
Online monitoring, online diagnosis, online service
Pre-Charge Circuit to Prevent BMS Damage
Nominal Voltage :
51.2V/102.4V/153.6V/204.8V/256V/307.2VPayment :
T/T,L/C, Western UnionShipping Port :
Shanghai/ShenzhenWarranty :
10 YearsCertificate :
CE/IEC/UL/UN38.3/MSDSCommunication :
RS232/RS485/CAN/BLUEBOOTH/WIFIProtection :
IP50Order MOQ :
1Type :
Lithium-ion BatteryItem No. :
SAS51200-HVThe SAS51200-HV Series equipped with the smart 200a bms for each module, ensures safety and optimal performance. With over 6000 cycles and the 15-year design life, SAS high voltage solar lithium ion battery provides long-term value.

Specification
|
MODEL |
SAS-30.72KWH-Z |
SAS-40.96KWH-Z |
SAS-51.2KWH-Z |
SAS-61.44KWH-Z |
|
| Battery Type |
LiFePO4 |
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|
Electrical Parameters (25°C) |
Rated Voltage |
153.6V |
204.8V |
256.0V |
307.2V |
|
Rated Capacity |
200Ah@25°C |
200Ah@25°C |
200Ah@25°C |
200Ah@25°C |
|
|
Energy |
30.72KWh |
40.96KWh |
51.2KWh |
61.44KWh |
|
|
Months Self Discharge |
<3% |
<3% |
<3% |
<3% |
|
|
Charge Efficiency |
99.5%@0.2C |
99.5%@0.2C |
99.5%@0.2C |
99.5%@0.2C |
|
|
Discharge Efficiency |
96-99%@1C |
96-99%@1C |
96-99%@1C |
96-99%@1C |
|
|
Terminal Diameter |
M8 |
M8 |
M8 |
M8 |
|
| Internal Resistance(Fully Charged,25°C) |
≤50mΩ |
≤50mΩ |
≤50mΩ |
≤50mΩ |
|
| Cycle Life |
6000 Cycles@0.5C 80%D.O.D |
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|
Capacity Affected by Temperature |
40°C |
101% |
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|
25°C |
100% |
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|
0°C |
90% |
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|
-10°C |
75% |
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| Nominal Operating Temperature |
25°C±3°C(77℉±5℉) |
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|
Operating Temperature Range |
Discharge |
-20°C~60°C(-4℉~140℉) |
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|
Charge |
0°C~45°C(32℉~113℉) |
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|
Storage |
0°C~40°C(32℉~104℉) |
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| Protection Grade |
IP20 |
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| Charge Voltage |
56.8V |
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| Standard Charge Mode(25°C±2°C,<75°CRH) |
0.2CA Constant Current to 57V,then Constant Voltage 57V ,until the Current Drops to 0.02cA,before Use, rest 30 Minutes |
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| Charge Current |
20A |
20A |
20A |
20A |
|
| Continuous Discharge Current |
100A |
100A |
100A |
100A |
|
| Maximum Pulse Current |
200A(<1S) |
200A(<1S) |
200A(<1S) |
200A(<1S) |
|
| Discharge Cut Off Voltage |
132V |
176V |
220V |
264V |
|
| Protocol(Optional) |
RS232/RS485/CAN/BLUETOOTH/WIFI |
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| SOC(Optional) |
Screen/LED/PC Software |
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| Application Connection |
1 String 1 Parallel |
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| Cells(Per Module) |
EVE 3.2V100Ah-16S1P |
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| Safety&Certification |
CE/IEC/UL/UN38.3/MSDS |
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| Size |
Length |
640±2mm(23.84 inch) |
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|
Width |
400±2mm(14.9 inch) |
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|
Height |
160±2mm(5.96 inch) |
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|
Total Height |
314±2mm(11.69 inch) |
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| Approx.Weight |
Battery |
91.2kg(114.64lbs)±2kg |
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|
Controller |
20kg(44.09lbs)±2kg |
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Application

High-efficiency energy transmission: The high-voltage system design effectively reduces energy losses during transmission, making it suitable for high-power energy storage scenarios.
Optimized space utilization: Compared with traditional bracket lithium batteries, it reduces the need for additional bracket configuration, significantly reduces space occupation, adapts to indoor installation needs, and balances capacity and compactness.
Convenient grid integration: It can quickly adapt to existing grid voltage levels, simplifying the integration process, shortening the deployment cycle, and improving grid operational stability.
Controllable long-term costs: It boasts advantages such as high efficiency, low power consumption, convenient maintenance, and long service life, significantly reducing users' long-term overall operating costs.

Sail Solar high-voltage lithium batteries boast full compatibility with most mainstream solar inverters on the market, including top brands like Deye, Growatt, Goodwe, SRNE, Solis, EAST, MEGAREVO, and many more. For distributors and installers who specialize in these inverter brands, Sail Solar offers an ideal, hassle-free battery solution that ensures seamless integration and reliable performance.
Sail Solar high-voltage stackable lithium battery is engineered for longevity, featuring an impressive 6,000-cycle lifespan. This makes it a durable, efficient, and cost-effective choice for both residential and commercial energy storage applications, perfectly meeting diverse power storage needs with consistent performance over time.
In summary, these outstanding advantages make Sail Solar high-voltage lithium batteries the preferred option for scenarios requiring high power output, flexible scalability, and efficient energy delivery—delivering reliable value for every user.
Certificate
Sail Solar battery delivers unmatched safety and durability. With multi-layer hardware and software protection, ISO 26262 functional safety design, and certifications including UL1973, IEC62619, and UN38.3, we bring automotive-level reliability to your home energy storage.

After-Sales Service
● " 7/24 " After-Sales Support
● 7 days a week, 24 hours a day: Ready to respond and solve problems immediately—Sail Solar's commitment to worry-free after-sales service.
● Service Email: info@sailsolaress.com
Service Process
01
Submit Service Requests
Submit your service requests at any time via email, online customer service, or mobile app.
02
Rapid Response
Our service team will immediately respond to your requests and communicate the details of the issue with you.
03
On-Site Service or Remote Support
Depending on the nature of the problem, provide on-site service or remote technical support.
04
Problem Resolution
Our goal is to completely resolve your issue within 24 hours.
05
Follow-Up
After the problem is resolved, our team will continue to follow up to ensure your satisfaction with the service results.
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