growatt ark lv battery high frequency

{"cid":"91225503","title":"MUST EP3000 LV Series Low Frequency Power Inverter Charger 1\u20116KW Off\u2011Grid Solar Inverter with WIFI BAT\u2011CAN","imgUrl":"https:\/\/img.chinax.com\/nimg\/ce\/9f\/c23ac334fc61e71efd5334e798e7-200x200-1.jpg","attrs":{"Price":"USD 530.54-689.29","Brand Name":"Must","Model Number":"EP3000 LV","Minimum Order Quantity":"1 piece","Delivery Time":"10-15work days","Payment Terms":"D\/A,L\/C,D\/P,T\/T","Place of Origin":"Beijing, China"}}

{"cid":"91224780","title":"Growatt 220V 3500W 5000W Off-Grid Single Phase Inverter Low Voltage Battery 48V\/51.2V 100Ah 5kWh Lithium Battery","imgUrl":"https:\/\/img.chinax.com\/nimg\/fb\/fb\/f3277c41eb379c25fb9446b8ade9-200x200-1.jpg","attrs":{"Price":"$300-629 \/ piece","Brand Name":"Growatt","Model Number":"SPF-5000ES","Minimum Order Quantity":"1 piece","Place of Origin":"Anhui, China","Input Voltage":"120VDC ~ 430VDC","Output Voltage":"220\/230V","Output Current":"13-14.3A","Output Frequency":"50Hz\/60Hz","Output Type":"Single","Size":"330\/485\/135mm","Type":"DC\/AC Inverters","Inverter Efficiency":"97.60%","Weight":"12kg","Growatt Off-grid Inverter":"GROWATT SPF 3500-5000 ES OFF-GRID INVERTER","Feature":"IP20 | Integrated MPPT charge controller | Low Voltage Battery","MPPT range 120V~430V, 450Voc":"BMS communication with CAN\/RS485","Battery type":"Lithium-ion 5.1kWh Battery","48V 51.2V 100Ah 5.1kWh Lifepo4 Battery":"WingoSolar Low Voltage Storage Battery","Growatt Inverter SPF 3500-5000 ES":"Up to 6 units can be run in parallel","Solar MPPT lnverter":"Single Phase Hybrid Inverter","Installation Style":"Wall-mounted","Max Efficiency":"97.6%","Operating Temperature Range (\u2103)":"-45~60\u2103, >45\u2103 Derating"}}