Savant Power Storage system installed in a home garage

Buyer-first brand directory

Home battery brands, sorted by quote risk.

13 brands researched from official product pages, datasheets, and support docs. Use this to shortlist the hardware, then check the installed quote.

Brands
13
Sources
29
Updated
07-04

Best starting points

The brands most likely to show up in real quotes

Read the battery shortlist
Tesla Powerwall 3 battery cabinet from Tesla datasheet
Whole-home

Best mainstream battery to benchmark

Tesla Powerwall 3

The quote every serious buyer should benchmark against, especially in California and Texas.

Capacity
13.5 kWh per Powerwall 3
Power
11.5 kW AC continuous
Enphase IQ Battery 5P front-view product image from Enphase product page
Modular AC

Best fit for Enphase solar owners

Enphase IQ Battery 5P

The cleanest shortlist item for Enphase microinverter homes and modular backup designs.

Capacity
5.0 kWh per IQ Battery 5P
Power
3.84 kW per unit
FranklinWH aPower 2 battery cabinet product image
Whole-home

Best high-capacity Powerwall alternative

FranklinWH aPower 2

A serious whole-home backup contender when single-unit capacity and high-load support matter.

Capacity
15 kWh per aPower 2
Power
10 kW product-page claim; support materials list output configurations up to 11.5 kVA
Generac PWRcell 2 battery system installed on a home exterior
Whole-home

Best generator crossover brand

Generac PWRcell 2

The brand to cover for buyers deciding whether battery backup or generator backup fits their outage risk.

Capacity
9-18 kWh per PWRcell 2 cabinet in 3 kWh modules
Power
10 kW to 11.5 kW depending on source and inverter configuration
SolarEdge Home Battery 400V product image
DC-coupled

Best for existing SolarEdge systems

SolarEdge Home Battery

A strong shortlist item when the home already sits in the SolarEdge inverter ecosystem.

Capacity
9.7 kWh per battery
Power
5 kW
Panasonic EVERVOLT home battery system installed beside a modern home
Whole-home

Best recognizable legacy hardware brand

Panasonic EVERVOLT

Worth covering for brand-trust searches, but every quote needs availability and installer-channel verification.

Capacity
9 kWh, 13.5 kWh, and 18 kWh cabinet sizes referenced in Panasonic materials
Power
Up to 7.6 kW continuous backup power with a single 18 kWh cabinet in Panasonic materials

Categories

Sort brands by the job they actually do.

A California NEM 3.0 buyer, a Texas outage buyer, and a New England VPP buyer should not start with the same shortlist. The brand pages make that difference explicit.

Whole-home (4)Portable bridge (2)All-in-one (1)Budget/DIY (1)DC-coupled (1)Modular AC (1)Modular home energy (1)Premium controls (1)VPP-ready (1)
Tesla Powerwall 3 battery cabinet from Tesla datasheet
Whole-home

Whole-home

Tesla Powerwall 3

100

Solar-plus-storage buyers who want a common installer ecosystem, a high-power single-unit battery, and possible VPP participation.

Watch the quote:

Gateway, load panel, MPU, and backup-load design can move the installed price more than the battery hardware line item.

CaliforniaTexasHawaii
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Enphase IQ Battery 5P front-view product image from Enphase product page
Modular AC

Modular AC

Enphase IQ Battery 5P

96

Buyers with Enphase solar, buyers who want modular capacity, and buyers who value field-serviceable AC-coupled architecture.

Watch the quote:

One unit is rarely enough for broad backup; compare total installed cost at the number of units quoted.

CaliforniaMassachusettsConnecticut
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FranklinWH aPower 2 battery cabinet product image
Whole-home

Whole-home

FranklinWH aPower 2

93

Buyers who want a larger single cabinet, whole-home backup framing, and a strong alternative to Powerwall 3.

Watch the quote:

Newer ecosystem means local installer depth matters more than brochure specs.

CaliforniaTexasFlorida
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Generac PWRcell 2 battery system installed on a home exterior
Whole-home

Whole-home

Generac PWRcell 2

90

Homeowners comparing battery storage with generator integration and whole/partial-home backup.

Watch the quote:

System design can get complex when battery, inverter, disconnect, load management, and generator options appear together.

TexasFloridaNew England
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SolarEdge Home Battery 400V product image
DC-coupled

DC-coupled

SolarEdge Home Battery

84

SolarEdge solar owners who want integrated storage, DC coupling, and app-level system control.

Watch the quote:

Poor fit if the home is not already aligned with SolarEdge hardware.

CaliforniaNew England
View brand profile
Panasonic EVERVOLT home battery system installed beside a modern home
Whole-home

Whole-home

Panasonic EVERVOLT

78

Buyers who value a familiar electronics brand and are quoted a complete Panasonic storage system by a local installer.

Watch the quote:

Current product availability and installer support must be confirmed.

CaliforniaNew EnglandHawaii
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EP Cube 2.0 battery system installed on a home exterior
All-in-one

All-in-one

EP Cube 2.0

75

Buyers comparing modular all-in-one systems for new solar or retrofit projects.

Watch the quote:

Local installer depth matters more than headline capacity.

CaliforniaTexasFlorida
View brand profile
Savant Power Storage system installed in a home garage
Premium controls

Premium controls

Savant Power Storage 20

72

Premium homes where storage, load management, and smart-home control are part of the same purchase.

Watch the quote:

Premium system design can obscure the battery-only economics.

CaliforniaNew EnglandTexas
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EcoFlow DELTA Pro Ultra whole-home backup battery stack
Portable bridge

Portable bridge

EcoFlow DELTA Pro Ultra

70

Outage-focused buyers who want modular backup, portable flexibility, and a faster path than a full solar-storage install.

Watch the quote:

Do not present it as the same thing as a utility-interconnected home ESS.

TexasFloridaCalifornia
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Anker SOLIX X1 home energy system installed on a modern home
Modular home energy

Modular home energy

Anker SOLIX X1

68

Buyers who already trust Anker and want a modular home energy system with a consumer-friendly app story.

Watch the quote:

Installer availability and service model need verification.

CaliforniaTexasFlorida
View brand profile
BLUETTI EP900 home battery stack product image
Portable bridge

Portable bridge

BLUETTI EP900

64

Backup-focused shoppers comparing direct-purchase systems before calling installers.

Watch the quote:

Equipment price is not installed price.

TexasFloridaCalifornia
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EG4 PowerPro WallMount all-weather battery product image
Budget/DIY

Budget/DIY

EG4 PowerPro

62

Technically involved buyers, rural backup projects, and budget-conscious shoppers working with qualified installers.

Watch the quote:

DIY-friendly does not mean permit-free or risk-free.

TexasFloridaoff-grid and rural US
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sonnenCore+ home battery system with a solar home
VPP-ready

VPP-ready

sonnenCore+

60

Buyers evaluating VPP participation, builder channels, and AC-coupled storage with community-energy positioning.

Watch the quote:

Power output can be the limiting factor even when capacity looks adequate.

MassachusettsConnecticutRhode Island
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A brand page is not a quote check.

Two buyers can choose the same battery and still be thousands apart after gateway hardware, panel work, labor, incentives, and backup-load design. Brand research tells you what to compare. Quote review tells you whether the install makes sense.