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Premium ClassNMCDC CoupledWhole-Home Backup CapableData Confidence: High

LG Energy Solution

RESU16H Prime

The LG RESU16H Prime leverages NMC chemistry to pack a massive 16 kWh of storage into a relatively compact footprint. It is a high-voltage DC-coupled battery favored for its energy density and whole-home backup potential.
Size This System for Your Home
Data verified 2026-05-12
Best Considered For
  • Homes requiring maximum capacity in limited physical space
  • Pairing with SolarEdge or SMA hybrid inverters
  • High-demand backup scenarios
May Be Less Suitable When
  • Hot environments where LFP chemistry is preferred
  • Installations requiring frequent deep-cycling

Engineering Verdict

While much of the industry has shifted to LFP chemistry for its thermal stability, LG utilizes NMC cells in the RESU16H Prime to achieve superior energy density. This allows for 16 kWh of capacity in a surprisingly slim profile. The 7.0 kW continuous output provides excellent backup capability. However, the inherent degradation curve of NMC means it is generally rated for fewer cycles (approx. 4,000) than LFP competitors, making it less suitable for aggressive daily cycling.

Real-World Considerations

This battery is ideal for regions with infrequent but prolonged grid outages, where raw capacity outweighs daily cycle longevity. It integrates tightly with SolarEdge Energy Hub inverters, offering a highly polished app experience.

Installation Notes

Despite its slim profile, the unit is heavy (159 kg) and requires proper mounting hardware. LG has implemented a modular design allowing the battery blocks to be carried separately from the control unit, easing the installation burden.

Technical Specifications

Usable Capacity

16 kWh

Continuous Output

7 kW

Peak Output

11 kW (10s)

Chemistry

NMC

Official Sources

Links lead directly to official manufacturer or regulator documentation. BatteryBlueprint does not use affiliate links for hardware specifications.

Economics

Estimated Cost

$7,000 - $9,500

Reliability

Warranty

10 Years

Cycle Life (Est.)

4,000

End of Life Capacity

60% Retention

Certifications

UL 1642UL 1973
Physical Specs
Weight159 kg
Dimensions1086h x 504w x 295d mm
IP RatingIP55
Temp Range-10°C to 50°C
LocationBoth

Disclaimer: Battery specifications are provided for planning and educational purposes only. Always verify compatibility, certification, warranty terms, and installation requirements with the manufacturer and a qualified installer before purchasing. BatteryBlueprint compiles this data from publicly available datasheets and official manufacturer releases; specifications may change without notice or vary by local grid regulations.