Rated Output Power: 20kW/30KW/50KW Rated Energy: 51. 2 kWh/ 60 kWh/107 kWh Cooling Way: air cooling Warranty: 60-month warranty from the delivery date Certifications: CE, FCC, UN38. 3, UN3480, ISO Datasheet Info Collection FormSTS, DTS, SACU, and Smart PV Management System (SmartPVMS). receives a service request for the product, whichever is earlier. When contract is directly signed with Huawei. When contract is signed with. LondianESS, a pioneering energy storage system provider in China, offers cutting-edge Outdoor Energy Storage All-in-One Cabinet designed for durability, scalability, and high performance.