Containerized Energy Storage System Power Station 250KW PCS 500Kwh Solar Energy Storage System
250KW/500K WH Containerized ESS specification
The whole energy storage system is 250KW/500KWh,the actual battery energy of a single container energy storage system is 250KW/619.31KWh. The system have 8 battery strings(including BMS),1 set combiner box,1 set 250KW PCS, 1 set EMS ,air conditioner , fire extinguisher system and other accessory equipments.The container size is 6058*2438*2896 (mm).
| Item | Battery box | Battery string | Battery system | 
| Rated voltage/capacity | 76.8V126Ah | 614.4V126Ah | 614.4V2016Ah | 
| Energy/kWh | 9.67 | 77.41 | 1238.63 | 
| Depth of discharge(DOD) | 95% | Over 90% | Over 85% | 
| Cycle life(0.25C,room temp) | 85%DOD,over 6000 cycles | 85%DOD,over 6000 cycles | 85%DOD,over 6000 cycles | 
| Storage temp | 25-45℃ is best | 25-45°C is best | 25-45°C is best | 
| Self discharge | 25℃,month/≤5% | 25℃,month/≤5% | 25℃,month/≤5% | 
| size(L*W*H)/mm | 628*482.6*250 | 800*603**2201 |  			 6058x2438x2591  |  		
| Remarks: The above parameters may change due to version upgrade. Please refer to the technical agreement for physical parameters. | |||

Battery string 614.4V 126AH


Battery Cabinet 614.4V 1008AH
Longer Cycle Life : Offers up to 20 times longer cycle life and five times longer float/calendar life than lead acid battery , helping to minimize replacement cost and reduce total cost of ownership
 Lighter Weight : About 40% of the weight of a comparable lead acid battery . A " drop in" replacement for lead acid batteries 
 Higher Power : Delivers twice power of lead acid battery ,even high discharge rate, while maintaining high energy capacity
Wider Temperature Range : -20℃~60℃
 Superior Safety: Lithium Iron Phosphate chemistry eleminates the risk of explosion or combustion due to high impact overcharging or short circuit situation
Our safety tests for our lifepo4 battery:

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250KW PCS specification
| DC parameter | |||
| Working voltage range | 500V~850V | ||
| Max DC power | 250kW | ||
| Max DC current | 550A | ||
| AC parameter | |||
| Rated power | 250kW | Max AC power | 300kVA | 
| Rated frequency | 50Hz | Allowable frequency range | 45-55Hz | 
| Rated AC voltage | 315V | Allowable voltage range | 280-350V | 
| Max output current | 550A | ||
| THD | <3% | ||
| Rated power factor | >0.99 | ||
| Power factor adjustable range | 0.9(lagging)~0.9(leading) | ||
| System parameter | |||
| Max efficiency | 98.7 % | ||
| IP grade | IP20 | ||
| Working temp | -25~50°C | ||
| Relative Humidity | 0~95% | ||
| Cooling | air cooling | ||
| Dimension | 1400*2100*700mm | ||
| Weight | 1400kg | ||
| Communication | |||
| Communication way | RS485/Ethernet/CAN/ optical fiber | ||
| Communication Protocol | IEC61850/Modbus/IEC60870-103 | ||

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