[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"layout:en:out":3,"product:bess-max-pb-4-8-8-mw-37-5-mwh-726:en:guest":65,"product-vendor-preview:freqcon:en":162},{"header":4,"footer":51},{"header":5},{"nav":6,"languageSwitcher":16},[7,10,13],{"label":8,"href":9},"Vendors","/vendors",{"label":11,"href":12},"Storage Products","/products",{"label":14,"href":15},"Guides","/guides",{"defaultLocale":17,"locales":18},"en",[19,21,24,27,30,33,36,39,42,45,48],{"code":17,"label":20},"English - Global",{"code":22,"label":23},"fr","French - Français",{"code":25,"label":26},"de","German - Deutsch",{"code":28,"label":29},"id","Indonesian - Bahasa",{"code":31,"label":32},"it","Italian - Italiano",{"code":34,"label":35},"ja","Japanese - 日本語",{"code":37,"label":38},"ko","Korean - 한국어",{"code":40,"label":41},"ne","Nepali - नेपाली",{"code":43,"label":44},"es","Spanish - Español",{"code":46,"label":47},"tr","Turkish - Türkçe",{"code":49,"label":50},"vi","Vietnamese - Tiếng Việt",{"footer":52},{"tagline":53,"nav":54,"copyright":64},"Your trusted database of battery energy storage systems",[55,58,61],{"label":56,"href":57},"Contact","/contact/",{"label":59,"href":60},"About","/about/",{"label":62,"href":63},"Terms of Use","/terms-of-use/","BESSBASE.com. All rights reserved.",{"product":66,"seotags":120,"vendorProducts":121},{"id":67,"languages_code":68,"slug":69,"vendor_id":70,"vendor_slug_folder":71,"brand_name":72,"system_name":73,"application_segment":74,"prod_type":75,"ac_dc_block":76,"containerized_bool":77,"container_size_ft":78,"container_size_uom":78,"modular_bool":77,"pcs_bundled":77,"bms_inhouse":79,"clearance_default_m":78,"area_sqm":78,"area_sqm_uom":78,"area_ha":78,"area_ha_uom":78,"area_acres":78,"area_acres_uom":78,"seo_title":80,"seo_description":81,"seo_no_index":79,"cms_is_new":77,"status":82,"prod_intro":83,"btm_ftm_usage":84,"capabilities_flags":85,"date_created":86,"date_updated":86,"nom_energy_mwh":87,"nom_energy_mwh_uom":88,"nom_energy_kwh":89,"nom_energy_kwh_uom":90,"rated_dc_power_mw":78,"rated_dc_power_mw_uom":78,"rated_dc_power_kw":78,"rated_dc_power_kw_uom":78,"rated_ac_power_mw":91,"rated_ac_power_mw_uom":92,"rated_ac_power_kw":93,"rated_ac_power_kw_uom":94,"duration":95,"duration_uom":97,"flex_duration":79,"c_p_rate":98,"c_p_rate_uom":100,"round_trip_efficiency_ac_val":101,"round_trip_efficiency_uom":102,"round_trip_efficiency_dc_val":103,"container_count":104,"indoor_outdoor":105,"nominal_dc_voltage_val":78,"nominal_dc_voltage_uom":78,"dc_voltage_range_min":78,"dc_voltage_range_max":78,"dc_voltage_range_uom":78,"ac_voltage_val":106,"ac_voltage_uom":107,"ac_voltage_params":78,"ac_voltage_range":78,"rated_ac_current":108,"rated_ac_50hz_frequency_bool":77,"rated_ac_60hz_frequency_bool":77,"auxiliary_power":78,"dim_width_mm":78,"dim_depth_mm":78,"dim_height_mm":78,"dim_mm_uom":78,"dim_width_ft":78,"dim_depth_ft":78,"dim_height_ft":78,"dim_ft_uom":78,"dim_width_in":78,"dim_depth_in":78,"dim_height_in":78,"dim_in_uom":78,"weight_tonne":78,"weight_tonne_uom":78,"weight_kg":78,"weight_kg_uom":78,"weight_lb":78,"weight_lb_uom":78,"battery_chemistry_val":109,"cell_capacity_val":78,"cell_capacity_uom":78,"cell_type":78,"cell_supplier":110,"cycle_life_val":111,"cycle_life_uom":112,"cycle_life_qualifier":113,"cycle_life_conditions":78,"design_life_val":78,"design_life_uom":78,"enclosure_protection":114,"corrosion_protection":116,"seismic_rating":78,"safety_fire_protection":78,"products_id":118,"vendor_slug":71},"ebfde84a-1281-5b8b-a2fc-4c044c1275f6","EN","bess-max-pb-4-8-8-mw-37-5-mwh-726","302e1d4f-e6bc-5472-964d-bdf52955bc97","freqcon","Freqcon","BESS MAX PB.4 8.8 MW / 37.5 MWh","Grid-Scale","GS AC Block","AC Block",true,null,false,"BESS MAX PB.4 8.8 MW / 37.5 MWh - Grid-Scale Storage System by Freqcon","4.26-hour 8.8MW/37.5MWh Modular Battery Storage ESS BESS MAX PB.4 8.8 MW by FREQCON for Grid-Scale application","active","Utility-scale Freqcon BESS MAX PB.4 8.8 MW / 37.5 MWh is a containerized LFP battery energy storage system supplied as an AC block. It uses liquid cooling and has about a 4.26-hour duration. Its round-trip efficiency is 98.3% AC and 99.4% DC.","Freqcon BESS MAX PB.4 8.8 MW / 37.5 MWh has nominal energy in the utility-scale size class and certification to medium- or high-voltage grid connection rules (VDE 4110). It ships as a block of 7 containers. These specifications indicate use in front of the meter.","Freqcon BESS MAX PB.4 8.8 MW / 37.5 MWh lists a 4.26 h configuration. That configuration points to capacity value, being counted on as supply when the network is tight, and energy shifting, charging at one time and discharging hours later. Its AC block includes the inverter, which suggests renewable colocation, storing output from a wind or solar plant on the same site.","2026-09-28T12:05:42",37.5,"MWh",37500,"kWh",8.8,"MW",8800,"kW",[96],4.26,"hour",[99],"0.25P","P",98.3,"%",99.4,7,"Outdoor-capable",690,"V","Up to 4 x 2,200 A","LFP","CATL, Hithium, EVE",10000,"cycles",">",[115],"IP54",[117],"C3",{"id":119,"vendor_id":70,"status":82},"85b1bac6-c883-54e5-b51d-dba9fcfe0726",{"title":80,"description":81,"no_index":79},[122,127,140,152],{"id":119,"products_id":119,"languages_code":68,"slug":69,"brand_name":72,"system_name":73,"application_segment":74,"prod_type":75,"ac_dc_block":76,"nom_energy_mwh":87,"nom_energy_mwh_uom":88,"nom_energy_kwh":89,"nom_energy_kwh_uom":90,"rated_ac_power_mw":91,"rated_dc_power_mw":78,"duration":123,"duration_uom":97,"c_p_rate":124,"flex_duration":79,"battery_chemistry_val":109,"cell_capacity_val":78,"cell_capacity_uom":78,"cell_type":78,"cell_supplier":110,"vendor_slug_folder":71,"indoor_outdoor":105,"area_sqm":78,"containerized_bool":77,"container_size_ft":78,"container_count":104,"pcs_bundled":77,"modular_bool":77,"enclosure_protection":125,"corrosion_protection":126,"round_trip_efficiency_ac_val":101,"round_trip_efficiency_dc_val":103,"date_updated":86},[96],[99],[115],[117],{"id":128,"products_id":128,"languages_code":68,"slug":129,"brand_name":72,"system_name":130,"application_segment":74,"prod_type":75,"ac_dc_block":76,"nom_energy_mwh":131,"nom_energy_mwh_uom":88,"nom_energy_kwh":132,"nom_energy_kwh_uom":90,"rated_ac_power_mw":91,"rated_dc_power_mw":78,"duration":133,"duration_uom":97,"c_p_rate":135,"flex_duration":79,"battery_chemistry_val":109,"cell_capacity_val":78,"cell_capacity_uom":78,"cell_type":78,"cell_supplier":110,"vendor_slug_folder":71,"indoor_outdoor":105,"area_sqm":78,"containerized_bool":77,"container_size_ft":78,"container_count":137,"pcs_bundled":77,"modular_bool":77,"enclosure_protection":138,"corrosion_protection":139,"round_trip_efficiency_ac_val":101,"round_trip_efficiency_dc_val":103,"date_updated":86},"56f83a91-1f54-5596-b216-f540008c4f7b","bess-max-pb-2-8-8-mw-20-mwh-f7b","BESS MAX PB.2 8.8 MW / 20 MWh",20,20000,[134],2.27,[136],"0.5P",5,[115],[117],{"id":141,"products_id":141,"languages_code":68,"slug":142,"brand_name":72,"system_name":143,"application_segment":74,"prod_type":75,"ac_dc_block":76,"nom_energy_mwh":144,"nom_energy_mwh_uom":88,"nom_energy_kwh":145,"nom_energy_kwh_uom":90,"rated_ac_power_mw":146,"rated_dc_power_mw":78,"duration":147,"duration_uom":97,"c_p_rate":148,"flex_duration":79,"battery_chemistry_val":109,"cell_capacity_val":78,"cell_capacity_uom":78,"cell_type":78,"cell_supplier":110,"vendor_slug_folder":71,"indoor_outdoor":105,"area_sqm":78,"containerized_bool":77,"container_size_ft":78,"container_count":149,"pcs_bundled":77,"modular_bool":77,"enclosure_protection":150,"corrosion_protection":151,"round_trip_efficiency_ac_val":101,"round_trip_efficiency_dc_val":103,"date_updated":86},"1570f652-4cb4-5b0c-a941-d48bc8d0300b","bess-max-p4-4-4-4-mw-18-75-mwh-00b","BESS MAX P4.4 4.4 MW / 18.75 MWh",18.75,18750,4.4,[96],[99],4,[115],[117],{"id":153,"products_id":153,"languages_code":68,"slug":154,"brand_name":72,"system_name":155,"application_segment":74,"prod_type":75,"ac_dc_block":76,"nom_energy_mwh":156,"nom_energy_mwh_uom":88,"nom_energy_kwh":111,"nom_energy_kwh_uom":90,"rated_ac_power_mw":146,"rated_dc_power_mw":78,"duration":157,"duration_uom":97,"c_p_rate":158,"flex_duration":79,"battery_chemistry_val":109,"cell_capacity_val":78,"cell_capacity_uom":78,"cell_type":78,"cell_supplier":110,"vendor_slug_folder":71,"indoor_outdoor":105,"area_sqm":78,"containerized_bool":77,"container_size_ft":78,"container_count":159,"pcs_bundled":77,"modular_bool":77,"enclosure_protection":160,"corrosion_protection":161,"round_trip_efficiency_ac_val":101,"round_trip_efficiency_dc_val":103,"date_updated":86},"509591e0-cb9c-5d3a-817c-b410e47be153","bess-max-p4-2-4-4-mw-10-mwh-153","BESS MAX P4.2 4.4 MW / 10 MWh",10,[134],[136],3,[115],[117],{"languages_code":68,"vendors_id":70,"id":163,"date_created":78,"cms_is_new":77,"brand_name":72,"domain":164,"vendor_slug":71,"vendor_tier":165,"bb_company_type":166,"date_updated":167,"production_scale_val":168,"production_scale_uom":169,"bankability_influence":170,"bb_employee_range":171,"vertical_int":172,"intro_narrative":173,"li_hq_city":174,"bb_hq_country":175,"ticker_legal_name":176,"ipp_customers":177,"integration_country":175,"other_prod_line":178,"reg_n_america":179,"reg_latam":180,"reg_europe":181,"reg_cenasia_cis":179,"reg_mena":179,"reg_subsafrica":181,"reg_south_asia":179,"reg_east_asia":179,"reg_se_asia":179,"reg_oceania":179,"bs_strength":182,"profitability":183,"leverage":182,"liquidity":183,"cf_risk":181,"key_project":184,"key_project_geo":185,"lithium_cell_chemistry":77,"sodium_cell_chemistry":77,"prismatic_cells":79,"pouch_cells":79,"cylindrical_cells":79,"battery_chemistry_summ":186,"ac_dc_block_summ":187,"application_segment_summ":188,"bms_software":189,"bb_ownership":190,"parent_company":191,"ticker":192,"key_investor":191,"notable_investor":78,"latest_news":193,"iso_9001":77,"iso_14001":77,"iso_45001":79,"iso_17025":79,"iso_27001":79,"iso_50001":79,"iso_56005":79,"iso_55001":79,"iso_20000":79,"iso_22301":79,"iso_31000":79,"iso_37301":79,"iso_45003":79,"iso_56002":79,"iso_27701":79,"certifications_summ":194,"esg_highlights":211,"seo_title":212,"seo_description":213},"82a29c71-4cb1-56db-ac7f-d0abc44978c2","freqcon.com","Tier-2","Listed Company","2026-09-26T09:22:52","0.2-1","GWh","Neutral","Small (1-300)","Medium","Founded in 1988, Freqcon is a German BESS and power-conversion maker based in Rethem, Germany. It focuses on energy storage, frequency converters, and ultracapacitors, and its Freqcon BESS FQ platform works with more than 20 battery types from 350 kW to more than 50 MW, including a 900 kWh installation that used Audi e-tron batteries.","Rethem","Germany","Freqcon Amper Group GmbH","EnBW Energie Baden-Württemberg AG","ultracapacitor systems, hybrid converter/inverter, microgrids, solar PV, O&M / services","Not Present","Minor","Moderate","Suboptimal","Healthy","Freqcon GmbH; Bürgerwiesenweg 5, 27336 Rethem, Germany","52.76770, 9.39125",[109],[76],[74],"Freqcon’s BESS includes a BMS that monitors and protects all battery modules and shuts down individual modules when it detects a fault. Its BESS Custom platform connects second-life batteries with different SoH values to one inverter, while BESS PRO uses an in-house BMS designed to support long battery life.","Notable Shareholder","Grupo Amper, S.A.","AMP.MC","FREQCON updated its BESS portfolio with turnkey systems based on lithium-ion, sodium-ion, and second-life batteries, and it highlights the BESS MAX platform for industrial and utility-scale projects from 10 MWh to 100 MWh.",[195,196,197,198,199,200,201,202,203,204,205,206,207,208,209,210],"EN 62109-1:2010","EN 62109-2:2011","EN IEC 63000:2018","IEC 61000-6-2:2005","IEC 61000-6-4:2006","A1:2010","VDE 4110","4120","IEC 62619","IEC 62477","IEC 63056","IEC 61000","UL 1973","UL 9540A","NFPA 855","UN 38.3","Freqcon reports waste separation, an electric vehicle fleet, and hybrid converters that work with renewable energy sources. Its supplier code calls for resource efficiency, lower environmental and climate impacts, and safe waste recycling, and the company supports reusing electric vehicle batteries in new storage applications.","Freqcon BESS Energy Storage specs, metrics, price comparison","Explore Freqcon's BESS (battery energy storage) solutions: bankability, technical benchmarks and prices. Freqcon's Grid-Scale storage runs FREQCON Energy Manag EMS"]