LG Chem RESU is a series of residential energy storage batteries designed for storing surplus solar energy. The key models include the RESU10 and RESU16 Prime, with capacities ranging from around 9.8 kWh to 16 kWh of usable energy. These lithium-ion batteries are known for compact size, easy installation, high efficiency (around 95-97.5% DC round-trip efficiency), and durability with capacity retention of about 70-80% after 10 years. Highlights:
- RESU10 offers about 9.8 kWh total energy with approximately 8.8-9.3 kWh usable energy, depending on the model variant.
- RESU16 Prime provides up to 16 kWh usable capacity with higher power output.
- They use LG's L&S Lamination & Stacking technology for durability.
- Designed to work with various solar inverter brands and come with a Battery Management System.
- Offer reliable backup during grid outages and help in energy self-consumption and independence.
- Warranty generally covers 10 years or a certain amount of total energy throughput, guaranteeing usable capacity retention.
Pricing for LG RESU batteries usually ranges from around $9,000 to $16,000 including installation, depending on the model and capacity. The batteries are designed for wall-mounted or floor-standing installation indoors or outdoors. Overall, LG Chem RESU batteries are highly regarded in the energy storage market for their reliability, efficiency, and scalability in residential solar setups.