master slave bms with active balance

{"cid":"91207808","title":"480V 512V 400A 500A High Voltage BMS Master Slave BMS Overall Solution Battery Management System 3A Active Balance BMS For BESS UPS HV LFP Systems","imgUrl":"https:\/\/img.chinax.com\/nimg\/9c\/46\/6cc711823073bed29f209300f30f-200x200-1.jpg","attrs":{"Price":"negotiable email with bruceliu@hngce.com","Brand Name":"GCE","Model Number":"RBMS-S20-500A-480V","Minimum Order Quantity":"1set","Delivery Time":"15-25 workdays","Place of Origin":"China,Hunan","Certification":"CE\/RoHS\/SGS\/MSDS","Packaging Details":"Corrugated Carton, bundles, pallets, wooden box","Payment Terms":"100% Adv.","Supply Ability":"1000 sets\/month","Operating Temperature":"-20\u2103~60\u2103","Product Name":"Battery Management System","Rated Current":"400A 500A","Power consumption":"\u226415W","Application":"UPS, Solar Energy Storage System, Battery Energy Storage System","Battery Type":"Lithium-ion(LFP)\/NMC\/LTO","Color":"RAL9005 Black Sand Grain","Voltage":"480V"}}

{"cid":"91220860","title":"Enerkey Smart Active Balance BMS EK-B24S8E300A 16S-24S 15A-300A BMS with Active Equalization 1A-8A Support CAN\/RS485","imgUrl":"https:\/\/img.chinax.com\/nimg\/b3\/ce\/b40133f67001398c63ce53b3254e-200x200-1.jpg","attrs":{"Price":"$157.5-$172.8","Brand Name":"Enerkey","Model Number":"EK-B24S8E300A","Minimum Order Quantity":"5 pieces","Delivery Time":"3-5days","Certification":"ISO9001\/CE\/ROHS","Place of Origin":"Shenzhen, China","Payment Terms":"L\/C, D\/A, D\/P, T\/T, Western Union, MoneyGram","Supply Ability":"10000pcs per day","Packaging Details":"Strong paper box +EVA Foam","Product name":"16s-24s 300A Smart Active Balancer BMS","Active balance current":"1A-8A (Adjustable)","Application":"high-power energy storage, base station backup power supply","Continuous charge\/discharge current":"15A-300A(Adjustable)","Battery Type":"Lithium\/Lifepo4\/Lto\/SIB Battery Pack","Single cell voltage collection range":"1.5V\uff5e4.5V","Communication port":"CAN\/RS485","Balanced voltage accuracy":"1mV\uff08Adjustable\uff09","Base material":"AL\/PC\/FR-4\/HASL","Battery strings":"16S-24S(NCM\/LFP) 20S-24S(LTO\/SIB","Product Size":"L237 x W107 x T24.5\uff08mm\uff09","Weight with Package":"1.5kg"}}