Side-by-side

Compare

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

Market context

United States purchasing view

Premium Integrated

IQ Battery 5P

Enphase

78/ 100

Superior

Strong evidence coverage · 63%

Evidence checked 2026-07-15

Available in United States · checked 2026-07-14

Buyer evidence: Ready (63% direct coverage).

LFPUL9540A15yr WarrantyVPP-Ready
Full scorecard
Premium Integrated

aPower 2

FranklinWH

73/ 100

Very good

Moderate evidence coverage · 55%

Evidence checked 2026-07-15

Available in United States · checked 2026-07-14

Buyer evidence: Ready (55% direct coverage).

LFP100% UsableHigh Power 10kW+15yr Warranty
Full scorecard
Side by side

Score profile

MeasureIQ Battery 5PaPower 2
Capacity & Usability90 / 10096 / 100
Power & Efficiency82 / 10086 / 100
Longevity (verified)70 / 10064 / 100
Safety & Chemistry84 / 10078 / 100
Guarantee & Backbone72 / 10055 / 100
Energy Ecosystem72 / 10064 / 100

Capacity & Usability

IQ Battery 5P
90 / 100
aPower 2
96 / 100

Power & Efficiency

IQ Battery 5P
82 / 100
aPower 2
86 / 100

Longevity (verified)

IQ Battery 5P
70 / 100
aPower 2
64 / 100

Safety & Chemistry

IQ Battery 5P
84 / 100
aPower 2
78 / 100

Guarantee & Backbone

IQ Battery 5P
72 / 100
aPower 2
55 / 100

Energy Ecosystem

IQ Battery 5P
72 / 100
aPower 2
64 / 100
Side by side

Key specifications

MeasureIQ Battery 5PaPower 2
Published usable capacity range5 kWh15 kWh
ChemistryLFPLFP
Power3.84 kW10 kW
Round-trip96 %90 %
Cycle lifeNot recordedNot recorded

Published usable capacity range

IQ Battery 5P
5 kWh
aPower 2
15 kWh

Chemistry

IQ Battery 5P
LFP
aPower 2
LFP

Power

IQ Battery 5P
3.84 kW
aPower 2
10 kW

Round-trip

IQ Battery 5P
96 %
aPower 2
90 %

Cycle life

IQ Battery 5P
Not recorded
aPower 2
Not recorded
Local evidence

United States evidence

EvidenceIQ Battery 5PaPower 2
OutcomeAvailable in United StatesAvailable in United States
Checked2026-07-142026-07-14
CertificationsUL 1741 SA (CA Rule 21) & SB 3rd Ed. (IEEE 1547:2018/1547.1:2020), UL 9540 & UL 9540A, UL 1973, UL 1998, UL 991, UL 62109-1; per Enphase North America datasheet, corroborated by UL Solutions certification letter (SKU IQBATTERY-5P-1P-NA, UL File E488100)UL 9540, UL 9540A (unit-level test passed), UL 1973, UL 1741 (incl. SA/SB/PCS/CRD/Multimode), UL 60730-1, UL 3141, IEEE 1547 & 1547.1; per manufacturer datasheet Compliance Information section
Warranty scope15 years from Activation Date or 6,000 discharged cycles, whichever is first; must retain at least 60% of nameplate capacity through the warranty period. Covers the United States, Puerto Rico, and Canada.15-year limited warranty from date of installation (or 12 months from manufacture, whichever is first); rated 15 kWh capacity at warranty start with capacity retention not less than 70% at end of term or 60 MWh aggregate throughput. Applies to the United States, US Territories, and Canada.
Grid compatibility240 VAC or 208 VAC single-phase, 60 Hz. 120/240V split-phase residential service confirmed in Enphase's own system wiring diagrams; backup/off-grid not supported on 208V single-phase.120/240V and 120/208V split-phase, 60 Hz. Up to 10 kW continuous / 11.5 kVA / 15 kW peak (10s). Off-grid capable for backup use.
Buyer evidenceReady (63% direct coverage): Local availability, buyer evidence, and the publication threshold are confirmed.Ready (55% direct coverage): Local availability, buyer evidence, and the publication threshold are confirmed.
Safety noticeNo model-specific notice recordedNo model-specific notice recorded
Review noteEnphase Energy, Inc. is headquartered in Fremont, CA. US support: (877) 797-4743.FranklinWH Energy Storage Inc. is headquartered in San Jose, CA. The manufacturer reports a US installer network of over 2,000 companies, including Puerto Rico.
SourcesSource 1Source 2Source 3Source 1Source 2Source 3

Outcome

IQ Battery 5P
Available in United States
aPower 2
Available in United States

Checked

IQ Battery 5P
2026-07-14
aPower 2
2026-07-14

Certifications

IQ Battery 5P
UL 1741 SA (CA Rule 21) & SB 3rd Ed. (IEEE 1547:2018/1547.1:2020), UL 9540 & UL 9540A, UL 1973, UL 1998, UL 991, UL 62109-1; per Enphase North America datasheet, corroborated by UL Solutions certification letter (SKU IQBATTERY-5P-1P-NA, UL File E488100)
aPower 2
UL 9540, UL 9540A (unit-level test passed), UL 1973, UL 1741 (incl. SA/SB/PCS/CRD/Multimode), UL 60730-1, UL 3141, IEEE 1547 & 1547.1; per manufacturer datasheet Compliance Information section

Warranty scope

IQ Battery 5P
15 years from Activation Date or 6,000 discharged cycles, whichever is first; must retain at least 60% of nameplate capacity through the warranty period. Covers the United States, Puerto Rico, and Canada.
aPower 2
15-year limited warranty from date of installation (or 12 months from manufacture, whichever is first); rated 15 kWh capacity at warranty start with capacity retention not less than 70% at end of term or 60 MWh aggregate throughput. Applies to the United States, US Territories, and Canada.

Grid compatibility

IQ Battery 5P
240 VAC or 208 VAC single-phase, 60 Hz. 120/240V split-phase residential service confirmed in Enphase's own system wiring diagrams; backup/off-grid not supported on 208V single-phase.
aPower 2
120/240V and 120/208V split-phase, 60 Hz. Up to 10 kW continuous / 11.5 kVA / 15 kW peak (10s). Off-grid capable for backup use.

Buyer evidence

IQ Battery 5P
Ready (63% direct coverage): Local availability, buyer evidence, and the publication threshold are confirmed.
aPower 2
Ready (55% direct coverage): Local availability, buyer evidence, and the publication threshold are confirmed.

Safety notice

IQ Battery 5P
No model-specific notice recorded
aPower 2
No model-specific notice recorded

Review note

IQ Battery 5P
Enphase Energy, Inc. is headquartered in Fremont, CA. US support: (877) 797-4743.
aPower 2
FranklinWH Energy Storage Inc. is headquartered in San Jose, CA. The manufacturer reports a US installer network of over 2,000 companies, including Puerto Rico.

Sources

IQ Battery 5P
Source 1Source 2Source 3
aPower 2
Source 1Source 2Source 3
Decision snapshot

Where the comparison separates

OverallIQ Battery 5P leads the global score by 5 points.
Strongest dimensionsIQ Battery 5P: Capacity & Usability · aPower 2: Capacity & Usability
Largest differenceIQ Battery 5P has the largest pillar edge in Guarantee & Backbone (17 points).
Market evidenceIQ Battery 5P: buyer ready · aPower 2: buyer ready

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 Premium Integrated class, on the same rubric weighting. Scores are not comparable across classes or tiers. Full methodology.