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

Market context

United States purchasing view

Premium Integrated

Powerwall 3

Tesla

77/ 100

Superior

Strong evidence coverage · 60%

Evidence checked 2026-06-16

Available in United States · checked 2026-07-14

Buyer evidence: Ready (60% direct coverage).

LFPUL9540A100% UsableHigh Power 10kW+
Full scorecard
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
Side by side

Score profile

MeasurePowerwall 3IQ Battery 5P
Capacity & Usability96 / 10090 / 100
Power & Efficiency79 / 10082 / 100
Longevity (verified)72 / 10070 / 100
Safety & Chemistry80 / 10084 / 100
Guarantee & Backbone68 / 10072 / 100
Energy Ecosystem70 / 10072 / 100

Capacity & Usability

Powerwall 3
96 / 100
IQ Battery 5P
90 / 100

Power & Efficiency

Powerwall 3
79 / 100
IQ Battery 5P
82 / 100

Longevity (verified)

Powerwall 3
72 / 100
IQ Battery 5P
70 / 100

Safety & Chemistry

Powerwall 3
80 / 100
IQ Battery 5P
84 / 100

Guarantee & Backbone

Powerwall 3
68 / 100
IQ Battery 5P
72 / 100

Energy Ecosystem

Powerwall 3
70 / 100
IQ Battery 5P
72 / 100
Side by side

Key specifications

MeasurePowerwall 3IQ Battery 5P
Published usable capacity range13.5 kWh5 kWh
ChemistryLFPLFP
Power11.5 kW3.84 kW
Round-trip89 %96 %
Cycle lifeNot recordedNot recorded

Published usable capacity range

Powerwall 3
13.5 kWh
IQ Battery 5P
5 kWh

Chemistry

Powerwall 3
LFP
IQ Battery 5P
LFP

Power

Powerwall 3
11.5 kW
IQ Battery 5P
3.84 kW

Round-trip

Powerwall 3
89 %
IQ Battery 5P
96 %

Cycle life

Powerwall 3
Not recorded
IQ Battery 5P
Not recorded
Local evidence

United States evidence

EvidencePowerwall 3IQ Battery 5P
OutcomeAvailable in United StatesAvailable in United States
Checked2026-07-142026-07-14
CertificationsUL 1741:2021 Ed.3 (incl. SA/SB/Multimode/PCS), UL 1973, ANSI/CAN/UL 9540:2020 Ed.2, UL 9540A (unit-level thermal runaway test), UL 1699B, UL 3741, UL 1998, UL 991, IEEE 1547:2018 & 1547.1:2020, CSA C22.3 No.9/C22.2 No.330/No.292; per Tesla's own Powerwall 3 Specifications compliance table and Authorization to Mark certificate (Doc Ref 104514208CRT-001, issued 2026-03-24)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)
Warranty scope10-year warranty, contingent on Powerwall 3 maintaining a reliable internet connection for remote firmware updates; may be limited to 4 years if connectivity cannot be established and Tesla cannot reach the customer.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.
Grid compatibility120/240 VAC split-phase, 60 Hz. Configurable continuous AC output 5.8/7.6/10/11.5 kW; load start capability 185 LRA (1s).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.
Buyer evidenceReady (60% direct coverage): Local availability, buyer evidence, and the publication threshold are confirmed.Ready (63% direct coverage): Local availability, buyer evidence, and the publication threshold are confirmed.
Safety noticeNo model-specific notice recordedNo model-specific notice recorded
Review noteTesla's US product page offers direct ordering and connects buyers with a Tesla Advisor or Tesla Certified Installer.Enphase Energy, Inc. is headquartered in Fremont, CA. US support: (877) 797-4743.
SourcesSource 1Source 2Source 3Source 1Source 2Source 3

Outcome

Powerwall 3
Available in United States
IQ Battery 5P
Available in United States

Checked

Powerwall 3
2026-07-14
IQ Battery 5P
2026-07-14

Certifications

Powerwall 3
UL 1741:2021 Ed.3 (incl. SA/SB/Multimode/PCS), UL 1973, ANSI/CAN/UL 9540:2020 Ed.2, UL 9540A (unit-level thermal runaway test), UL 1699B, UL 3741, UL 1998, UL 991, IEEE 1547:2018 & 1547.1:2020, CSA C22.3 No.9/C22.2 No.330/No.292; per Tesla's own Powerwall 3 Specifications compliance table and Authorization to Mark certificate (Doc Ref 104514208CRT-001, issued 2026-03-24)
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)

Warranty scope

Powerwall 3
10-year warranty, contingent on Powerwall 3 maintaining a reliable internet connection for remote firmware updates; may be limited to 4 years if connectivity cannot be established and Tesla cannot reach the customer.
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.

Grid compatibility

Powerwall 3
120/240 VAC split-phase, 60 Hz. Configurable continuous AC output 5.8/7.6/10/11.5 kW; load start capability 185 LRA (1s).
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.

Buyer evidence

Powerwall 3
Ready (60% direct coverage): Local availability, buyer evidence, and the publication threshold are confirmed.
IQ Battery 5P
Ready (63% direct coverage): Local availability, buyer evidence, and the publication threshold are confirmed.

Safety notice

Powerwall 3
No model-specific notice recorded
IQ Battery 5P
No model-specific notice recorded

Review note

Powerwall 3
Tesla's US product page offers direct ordering and connects buyers with a Tesla Advisor or Tesla Certified Installer.
IQ Battery 5P
Enphase Energy, Inc. is headquartered in Fremont, CA. US support: (877) 797-4743.

Sources

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

Where the comparison separates

OverallIQ Battery 5P leads the global score by 1 point.
Strongest dimensionsPowerwall 3: Capacity & Usability · IQ Battery 5P: Capacity & Usability
Largest differencePowerwall 3 has the largest pillar edge in Capacity & Usability (6 points).
Market evidencePowerwall 3: buyer ready · IQ Battery 5P: 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.