SPVLI-128kWh -
Zhejiang Sandi Electric Co., Ltd
ESS lithium battery system is composed of lithium battery modules, BMS system, PV charge controller, AC/DC Charger, central control unit CCU, temperature detector, integrated structure and other parts; the solar panels in the system are battery storage and power for output; BMS module completes the detection and control of voltage, current, temperature, SOC, SOH and charging and discharging related parameters of power battery pack; PV controller and inverter realize bidirectional AC/DC function to meet the charging and discharging conversion demand of power battery pack; each detector is used to monitor the ambient temperature in real time to ensure the safety of the system.1. Standardized components, modular architecture, easy for expansion2. High energy density, small footprint, short construction period, strong environmental adaptability3. Battery module within the layered stack design, with more than 10 years of long design life 4. Long Cycle Life LiFePO4 Lithium ion Battery system from 20KWH—500KWH optional5. The use of international advanced Mitsubishi IPM module and intelligent power module, with high power fast adjustment capability6. BMS battery management system with SOC automatic calibration and high current active balance function, combined with the perfect operation control and management strategies to achieve accurate and efficient management7. The combination of software and hardware protection, with alarm protection and automatic diagnostic functions, improve the protection strategy to ensure safe and efficient operation of the system8. Product communicates with the monitoring platform in real time through RS232, CAN communication interface, and reports various records in time to ensure real-time monitoring of the battery pack of the monitoring platform9. PV charge controller adopts three charging stages (buck charging, equalize charging and float charging) which can maximize the utilization of PV modules and batteries10. Colorful LCD display all module working information and statusPerformance characteristics：Small size and light weight, Maintenance-free；Environmental protection and pollution-free materials, no heavy；Accurately estimate the state of charge of the battery pack, that is, the remaining power of the battery, to ensure that the power of the battery pack is maintained within a reasonable range；Built-in BMS management system with comprehensive protection and monitoring control functions；5" LCD screen display, easy to operate, can check the temperature, voltage, working status, discharge current, dynamic and static SOC algorithm of a single cell, local display of alarm info, alarm level distinction, accurate positioning of abnormal cells；Main control MCU can be centrally controlled and manage peripheral settings (AC charging module, inverter module, solar charging module) to adjust the charging current and voltage of peripheral devices according to the battery charging curve, making the system more reliable；BMS battery management system, with SOC automatic calibration and high current passive balance function, combined with perfect operation control and management strategy, to achieve accurate and efficient management；EMS energy management system, BMS with solar controller/AC charger, inverter centrally manages charge and discharge, effectively controls the charge and discharge current within the cell usage conditions, protects the cell and extend its service life；SpecificationLithium battery 128kWh Lifepo4 Battery pack 280Ah with BMS for Solar Energy Storage SystemModel SPVLI-128KWHType of cell LiFePO4 (Lithium iron phosphate)Battery cell configuration 3.2V 280AH 144PCSRated capacity (KWH) 128kwhNominal capacity (AH) 280AHNominal voltage (VDC) 460VOperating voltage range (VDC) 375-540VRecommended Charge Voltage (VDC) 504VRecommended discharge cutoff voltage (VDC) 382VRecommended charge current(A) 140AMax Charge Current (A) 280ARecommended discharge current (A) 140AMax Discharge Current (A) 280ACharge temp range 1~45℃Discharge temp range -10～45℃MPPT Solar Charge Controller InputMaximum. Input voltage of solar array（Vdc） <900VdcBattery system voltage 460VDCMaximum power of solar array 64KWMaximum charge current（A） 140AEqualization charging voltage (Vdc) 511.2VEqualize charging recovery voltage (Vdc) 486.72VOver voltage disconnect voltage (Vdc) 525.6VOver voltage recovery (Vdc) 518.4VWorking temperature -20~50℃Protection level IP20Communication interface CAN2.0, BMSDisplay 5" LCD, EnglishCooling system Fan coolingWorking Altitude (m) ≤3000mReference Weight (Kg) 1530KgReference size (W*D*H mm) 1200*1120*1950mm
