LG Energy Solution RESU Prime Price & Review (2026)
16 kWh · 7 kW · Nickel Manganese Cobalt (NMC) · 10-year warranty · 4.1/5
The LG Energy Solution RESU Prime costs $9,500–$13,000 installed in 2026, or about $7,875 after the 30% federal tax credit.
- Installed price: $9,500–$13,000 (unit only: $8,000–$11,000).
- After the 30% federal Investment Tax Credit, the net cost is about $7,875.
- Stores 16 kWh usable and delivers 7 kW continuous (11 kW peak).
- Backed by a 10-year warranty (70% retention or 31.5 MWh throughput); two units (resu16h prime).
How much does the LG Energy Solution RESU Prime cost?
The LG Energy Solution RESU Prime costs $9,500–$13,000 installed in 2026. The battery unit alone runs $8,000–$11,000; the rest covers labor, electrical work, and permitting. The 30% federal Investment Tax Credit applies when the battery is charged by solar, bringing the net cost to about $7,875.
The LG RESU Prime comes in 10 kWh and 16 kWh models with strong power output (up to 7 kW continuous, 11 kW peak) for its size. It is a compact, high-density option that pairs with many third-party hybrid inverters, giving installers flexibility.
LG Energy Solution RESU Prime specs
| Usable capacity | 16 kWh |
|---|---|
| Continuous power | 7 kW |
| Peak power | 11 kW |
| Chemistry | Nickel Manganese Cobalt (NMC) |
| Round-trip efficiency | 90% |
| Warranty | 10 years (70% retention or 31.5 MWh throughput) |
| Scalability | Two units (RESU16H Prime) |
| Integrated inverter | No |
| Unit price (equipment) | $8,000–$11,000 |
| Installed price | $9,500–$13,000 |
Pros
- High power-to-size ratio (up to 11 kW peak)
- Compact, high energy density
- Works with many third-party hybrid inverters
Cons
- Requires a separate compatible inverter
- Earlier LG RESU lines had a battery recall (Prime is newer)
Is the LG Energy Solution RESU Prime worth it?
Best for: Compact installs needing high power with a third-party inverter. With a 90% round-trip efficiency and a 10-year warranty, the LG Energy Solution RESU Prime suits homeowners who want high backup power and plan to pair the battery with solar to claim the 30% tax credit.
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LG Energy Solution RESU Prime FAQ
The LG Energy Solution RESU Prime costs $9,500–$13,000 fully installed in 2026. The battery unit alone is $8,000–$11,000. After the 30% federal tax credit, the net cost is about $7,875.
Yes. The 30% federal Investment Tax Credit (ITC) applies to the LG Energy Solution RESU Prime when it is charged by on-site solar, and standalone storage also qualifies under current rules. On a typical installed price that is roughly $3,375 back.
The LG Energy Solution RESU Prime stores 16 kWh of usable energy and delivers 7 kW of continuous power (11 kW peak). Two units (RESU16H Prime).
The LG Energy Solution RESU Prime carries a 10-year warranty (70% retention or 31.5 MWh throughput). Its Nickel Manganese Cobalt (NMC) chemistry is rated for a 90% round-trip efficiency.
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