Lithium Iron-Phosphate (LFP) Fortress Power Lithium Ferro Phosphate Battery, eFlex 5.4 Mfr. Part # EFLEX 5.4 Capacity 5.4 kWh Voltage 51 V
Lithium Iron-Phosphate (LFP) sonnen ecoLinx Additional Ndure 2kWh LFP Battery Mfr. Part # ECONDBATT Capacity 2 kWh Technology Lithium Battery