LG Chem RESU10H Li-ION battery The LG Chem RESU10H-SEG and RESU10H-SEG2 are lithium-ion battery systems used for solar systems requiring energy storage with daily cycling. They have the ability to cycle daily for up to 10 years as needed for self-consumption, peak load shaving, backup power and other similar systems. The RESU10H-SEG is the primary battery and the RESU10H-SEG2 is the second battery to couple to selected grid tie inverters, with compatible controls, at 400 VDC