Quick Detail:
1. Module design: easy for assembly and can meet different customers' needs to get different capacities
2. High quality EV level grade A LiFePO4 cells are used
3. reliable BMS to manage each cell status
4. long cycle life of 4000+ times
5. Long warranty period of 5 years
Description:
5 Year Warranty 48V 300AH 15KWH Solar Lithium Ion Battery Bank With 6 Pieces Of 48V 50AH Modules
This battery pack is is suitable for terminal load whose working watts ≤1000W.
The battery dimensions is the standard 1U size, easy for replacement and installation.
With several batteries in parallel, you can get batteries in different capacities.
Note: It is NOT recommended to connect them in series.
Specifications:
| Nominal voltage | 48V |
| Nominal capacity | 300Ah |
| Cell type | LiFePO4 Cylinderical 26800 |
| Cell configuration | 16S10P |
| Pack dimensions | 442*483*570mm |
| Pack weight | Approx 150Kg |
| Standard charging voltage | 58.4V |
| Standard charging current | 25A |
| Max. continuous charging current | 50A |
| Discharging cut-off voltage | 40V |
| Standard discharging current | 50A |
| Max. continuous discharging current | 100A |
| Operation temperature | Charge:0°C~45°C
Discharge:-20°C~60°C |
| Storage temperature | Less than 3 months:-20°C~ 45°C Less than 1 year:-20°C~25 °C |
| Humidity recommended | ≤75% |
Full specifications are as follows:
| Models | Voltage | Capacity | Energy | Weight | Dimensions | Housing |
| LFP12-50 | 12.8V | 50Ah | 640.0WH | 6KG | 239*132*205mm | ABS |
| LFP12-100 | 12.8V | 100Ah | 1280.0WH | 13KG | 329*172*214mm | ABS |
| LFP12-200 | 12.8V | 200Ah | 2560.0WH | 27KG | 522*240*219mm | ABS |
| LFP12-300 | 12.8V | 300Ah | 3840.0WH | 38KG | 520*269*220mm | ABS |
| LFP48-50 | 48V | 50Ah | 2400WH | 15KG | 442*483*285mm | IRON |
| LFP48-100 | 48V | 100Ah | 4800WH | 48KG | 442*400*222mm | IRON |
Why lithium-iron-phosphate?
Lithium-iron-phosphate (LiFePO4 or LFP) is the safest of the mainstream li-ion battery types. The nominal voltage of a LFP cell is 3,2V (lead-acid batteries: 2V/cell). A 12.8V LFP battery consists of 4 cells connected in series; and a 25.6V battery consists of 8 cells in series.
Service life
LFP battery does not need to be fully charged. Service life even slightly improves in case of partial charge instead of a full charge. This is a major advantage of LFP compared to lead-acid. Other advantages are the wide operating temperature range, excellent cycling performance, low internal resistance and high efficiency (see below).
Efficiency
In several applications (especially off-grid solar and/or wind), energy efficiency can be of crucial importance.
The round trip energy efficiency of a LFP battery is 92%.
The charge process of lead-acid batteries becomes particularly inefficient when the 80% state of charge has been reached, resulting in efficiencies of 50% or even less in solar systems where several days of reserve energy is required (battery operating in 70% to 100% charged state). In contrast, a LFP battery will still achieve 90% efficiency under shallow discharge conditions.
Cell balancingand and monitoring
LFP batteries have integrated cell balancing and cell monitoring. Up to 5 batteries can be paralleled and up to 4pcs 12V batteries or 2pcs 24V batteries can be series connected,so that a 48V battery bank of up to 1500Ah can be assembled. The cell balancing/monitoring cables can be daisy-chained and must be connected to a Battery Management System (BMS).
Battery Management System (BMS)
BMS Function:
1. Disconnect or shut down the load whenever the voltage of a battery cell decreasesto less than 2,5V.
2. Stop the charging process whenever the voltage of a battery cell increases to more than 4,2V.
3. Shut down the system whenever the temperature ofacell exceeds 50°C.
Compared with same capacity of lead acid batteries, lifepo4 batteries are 1/2 smaller in size, 2/3 lighter in weight, 5 times longer in cycle life, which are more compact, light-weight and eco-friendly.
Applications:
solar storage, UPS, telecom, lead-acid battery replacement, electric boat, etc
Competitive Advantage:
1- Company advantages:
a- Quality Management:
Our sample/small order factory has been ISO9001 Quality Management System certifcated.
Our Pack production base for mass order have passed TS16949 Quality System, ISO14001 Environmental System and OHSAS18001 system certifications. And we have passed the test of the National Motor Vehicle Product Quality Supervision and Inspection Center. We always do daily production as per these systems.
b- Advanced hardware and software facilities
We established high-precision three-coordinate measuring machines, projectors, universal material tensile machines, and other measuring instruments to ensure the effective quality data.
c- Technical advantages:
Our technical team are all from China famous electric vehicle manufacturers. They all have more than 10 years' industry experiences. They have excellent R&D abilities. We also have the ability to develop BMS by ourselves.
2- Product advantages:
a- The cells we use are domestic high-quality cellsfrom China big cell manufacturers or imported cells from Sumsang, Panasonic.LG, etc .
b- BMS are realiable. BMS within 24S, we develop by ourselves. BMS above 24S, we purchase from China top 3 BMS manufacturers.
c- Advanced battery pack assembly technologies ensures the finished battery packs are of high quality.
Tag:
lithium ion batteries for solar system, lithium ion batteries for solar storage, 48v 300ah solar lithium battery bank
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