Side-by-side

Compare

Compare like with like. Aligned scores, specifications and local evidence within one scoring class or tier.

Market context

Global benchmark

Inverter

15K-2P15 kW

Sol-Ark | 15K-2P-LV / 15K-2P-N; UL and California Energy Commission listing name Limitless 15K-LV

HybridWhole-home backup3 MPPTs208/240 V

73/ 100

Very good

Strong evidence coverage · 100%

Evidence checked 2026-08-05

AFCI IntegratedVPP-ReadyWhole-Home Backup
Full scorecard
Inverter

18kPV12 kW

EG4 | 18KPV-12LV (part number IV-12000-HYB-AW-XX, where XX is 00 to 99)

HybridEssential-load backup3 MPPTs208/240 V

71/ 100

Very good

Strong evidence coverage · 100%

Evidence checked 2026-08-05

AFCI IntegratedVPP-Ready
Full scorecard
Side by side

Score profile

Measure15K-2P18kPV
Efficiency58 / 10060 / 100
Design & Flexibility89 / 10092 / 100
Thermal & Physical Resilience76 / 10064 / 100
Features & Integration91 / 10090 / 100
Safety & Compliance65 / 10065 / 100
Guarantee & Backbone68 / 10064 / 100
Energy Ecosystem64 / 10062 / 100

Efficiency

15K-2P
58 / 100
18kPV
60 / 100

Design & Flexibility

15K-2P
89 / 100
18kPV
92 / 100

Thermal & Physical Resilience

15K-2P
76 / 100
18kPV
64 / 100

Features & Integration

15K-2P
91 / 100
18kPV
90 / 100

Safety & Compliance

15K-2P
65 / 100
18kPV
65 / 100

Guarantee & Backbone

15K-2P
68 / 100
18kPV
64 / 100

Energy Ecosystem

15K-2P
64 / 100
18kPV
62 / 100
Side by side

Key specifications

Measure15K-2P18kPV
Published rated AC power range15 kW12 kW
PowerNot recordedNot recorded
TypeHybridHybrid
Peak eff97.5 %97.5 %
MPPTs33

Published rated AC power range

15K-2P
15 kW
18kPV
12 kW

Power

15K-2P
Not recorded
18kPV
Not recorded

Type

15K-2P
Hybrid
18kPV
Hybrid

Peak eff

15K-2P
97.5 %
18kPV
97.5 %

MPPTs

15K-2P
3
18kPV
3
Decision snapshot

Where the comparison separates

Overall15K-2P leads the global score by 2 points.
Strongest dimensions15K-2P: Features & Integration · 18kPV: Design & Flexibility
Largest difference15K-2P has the largest pillar edge in Thermal & Physical Resilience (12 points).
Evidence coverage15K-2P: strong evidence coverage (100%) · 18kPV: strong evidence coverage (100%)

A score lead is only meaningful inside this shared class or tier. Weigh it against the specification and evidence rows above before deciding.

Both products are scored in the Inverter class, on the same rubric weighting. Scores are not comparable across classes or tiers. Full methodology.