Heiwit
Heiwit S.p.A.: “Heiwit S.p.A. is an Italian company specialising in sodium-ion energy storage systems and hybrid inverters for photovoltaics, based in Varese. It sells exclusively through the Heiwit installer network.”
Which model should I choose: the Lybra 6K-T, 10K-T or 12K-T?
“The three models differ in terms of rated output power (6, 10 and 12 kW), maximum power (6.6, 11 and 13.2 kVA) and maximum output current (10, 16 and 20 A). They all support up to 18 kW of photovoltaic power across 3 MPPT channels and the same Heiwit sodium-ion batteries.”
View in the company profileHow many batteries can be connected to the Lybra?
“Up to 6 Heiwit sodium-ion batteries in parallel, 3 on each of the 2 battery inputs (30–60 V range, 125 A per input), for 60 kWh of storage.”
View in the company profileDoes it work during a power cut?
“Yes. The switchover time to backup mode is less than 10 ms, and the inverter can handle peaks of up to 20 kVA for 10 seconds.”
View in the company profileCan it be installed outdoors?
“The protection rating is IP65 and the operating temperature ranges from −25 °C to +60 °C, with a reduction in power output above 45 °C. Cooling is provided by an intelligent ventilation system, with a noise level of less than 45 dB(A).”
View in the company profile