Specification
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Model
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B4850
|
B3
|
|
|
Nominal Capacity
|
50Ah
|
75Ah
|
|
|
Nominal Voltage
|
48V
|
48V
|
|
|
Nominal Battery Energy
|
2.4kWh
|
3.6kWh
|
|
|
Charging Cut-off vol.
|
54V
|
||
|
Discharging End-off vol.
|
40.5V
|
||
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Recommend C Rate
|
0.5C
|
||
|
Net Weight
|
22Kg
|
30Kg
|
|
|
Dimension (W*D*H)
|
480*360*90mm
|
400*360*133.5mm
|
|
|
Protection Level
|
IP20
|
||
|
Calendar Life
|
6000 @25℃, 80% DOD
|
||
|
Charging Temperature Range
|
0~50℃
|
||
|
Discharging Temperature Range
|
-20~50℃
|
||
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Communication
|
CAN / RS485 / DRY CONTACT
|
||
|
Certification & Safety Standard
|
TUV/CE/EN62619/IEC62040/UN38.3/CEC Accredited
|
||
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Warranty
|
10 Years
|
||
Intelligent Management
Compared With Traditional Module, B4850 And B3 Offer Best Energy Storage Reliability With Longer Life Span.
Compact Design
Practical Pulling Ear Design Improves Operation Convenience.
Wide Compatibility
Sunpal is Proud To Announce That Our Modules Can Cooperate With Most Inverters On The Market.
We are based in Anhui, China, start from 2017,sell to North America(30.00%),Africa(16.00%),Eastern Europe(15.00%),Southeast
Asia(10.00%),Northern Europe(5.00%),South Asia(4.00%),Domestic Market(4.00%),South America(3.00%),Mid East(3.00%),Eastern
Asia(3.00%),Oceania(2.00%),Western Europe(2.00%),Southern Europe(2.00%),Central America(00.00%). There are total about 101-200
people in our office.
2. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;
3.what can you buy from us?
Solar Panel,Storage Battery,Solar Inverter,Solar Controller,Solar System,Portable Power Station
4. why should you buy from us not from other suppliers?
With over 15 years of combined solar energy experience, Sunpal Power continues to be part of the renewable energy transition by
helping you harvest clean energy at any given location in the world.
5. what services can we provide?
Accepted Delivery Terms: FOB,CFR,CIF,EXW,DDP,DDU；
Accepted Payment Currency:USD,EUR,JPY,CAD,AUD,HKD,GBP,CNY,CHF;
Accepted Payment Type: T/T,L/C,D/P D/A,MoneyGram,Credit Card,PayPal,Western Union,Cash,Escrow;
Language Spoken:English,Chinese,Spanish,French
English 
Spanish