Certified BESS Datasheet & Electrochemical Reliability Analysis

LG Energy Solution RESU 16H Prime (16 kWh) Battery

Stationary storage specifications, C-rate continuous load discharge capability, and UL 9540 fire safety compliance.

Usable Capacity
16 kWh
100% Depth of Discharge
Continuous Power
7 kW
0.44C continuous discharge
Round-Trip Efficiency
90.0%
AC-to-Battery-to-AC yield
Cell Chemistry
NMC
5000+ cycles to 80% SOH

Solerz Energy Storage Engineering Evaluation

1. Electrochemistry & Thermal Runaway Mitigation

The LG Energy Solution RESU 16H Prime utilizes high-stability NMC chemistry, providing intrinsically superior thermal runaway tolerance compared to conventional cobalt-rich NMC cells. With an oxygen release temperature well exceeding 270°C, the cell structure prevents violent self-oxidizing fires under mechanical puncture or electrical overcharge abuse. Fully certified to UL 9540 and UL 9540A fire propagation standards, this unit complies with NFPA 855 residential garage capacity limitations (max 20 kWh per discrete enclosure).

2. C-Rate Dynamics & Heavy Motor Surge Handling

Featuring a rated continuous power output of 7 kW (0.44C continuous discharge rate) and a 10-second peak surge rating of 11 kW, this storage unit is capable of supporting essential inductive household loads (including well pumps, central air conditioning compressors, and refrigeration units) without tripping inverter breaker overcurrent protection during grid outages.

3. Round-Trip Efficiency & 10-Year Lifecycle Degradation

Demonstrating an exceptional round-trip efficiency (RTE) of 90.0%, thermal conversion losses are minimized to less than 10.0% per charge-discharge cycle. Backed by a verified 5000 cycle lifecycle warranty, daily 100% cycling ensures over 10 years of reliable operation, retaining $ge 70%sim80%$ of nominal nameplate usable energy capacity over its operating lifespan.

Battery System Specifications & Operational Limits
Usable Energy Capacity16 kWh
Continuous Output Power7 kW
Peak Surge Power11 kW (10s)
Nominal Operating DC Voltage400 V
Round-Trip AC Efficiency90.0 %
Cell ChemistryNMC
Warranty & Cycle Life10 Years / 5000 Cycles
Ingress Protection RatingIP55
System Weight & Form159 kg
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