Same hardware, quotes run $12K to $22K installed
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Product Range
Our FranklinWH aPower 2 Verdict
FranklinWH deserves early coverage because it shows up in whole-home backup quotes where buyers are comparing against Tesla. The commercial angle is strong: a big 15 kWh cabinet, aGate system design, and enough unfamiliarity that buyers need quote translation.
A FranklinWH quote is always aPower 2 plus the required aGate controller, and most single-unit installs land between $15,000 and $20,000 before incentives. EnergySage's marketplace median for FranklinWH was $1,197 per kWh in the second half of 2025, about $17,955 for the 15 kWh cabinet, and installer reviews cluster around $17,500 installed with aGate included. That per-kWh figure sits between Powerwall 3 at roughly $1,000 and Enphase at $1,419, but the big cabinet means the sticker is the highest of the three. The aGate is not optional, so make sure it shows as its own line item instead of being buried in the battery price. The spread comes from panel or service upgrades, load-management accessories, long conductor runs, and permitting; additional aPower 2 units cost less than the first because the aGate is already in place. The federal 25D residential credit ended for installations completed after December 31, 2025, so a 2026 cash purchase should not assume it, while California SGIP and Texas VPP enrollments still affect net cost where available. Verify program rules before signing - this is not tax advice.
energysage.com · Verified July 2026
Specs Snapshot
From official datasheets and product pages, verified Jul 12, 2026. Confirm the datasheet revision on your quote matches these numbers before you sign.
- Usable capacity
- 15 kWh per aPower 2
- Capacity range
- Up to 15 units per aGate in FranklinWH support materials
- Continuous power
- 10 kW product-page claim; support materials list output configurations up to 11.5 kVA
- Peak power
- Verify by inverter/output configuration
- Chemistry
- Lithium iron phosphate (LFP)
- Coupling
- AC home power system
- Scalability
- Large aGate-based stack for bigger homes
- Warranty
- FranklinWH materials reference 15 years or 60 MWh throughput for aPower 2
From FranklinWH aPower 2
Official product imagery and links, with the source page for every image.
Images courtesy of FranklinWH aPower 2. Source linked under each image.
Strengths & Considerations
Strengths
- +Large single-unit usable capacity.
- +Clear whole-home backup positioning.
- +Strong comparison intent against Tesla.
Watch Out For
- −Younger US ecosystem than Tesla or Enphase, so long-term support, parts availability, and resale recognition are less proven.
- −The certified-installer network is thinner in many markets, which limits competitive quotes and future service options.
- −Fewer independent, long-term field-reliability data points than the incumbents. Weight local installer depth over brochure specs.
Quote Risks
The patterns that inflate FranklinWH aPower 2 quotes or hide costs until after signing. Check every one against your quote line by line.
- !Newer ecosystem means local installer depth matters more than brochure specs.
- !aGate, load management, and panel work must be explicit in the quote.
- !Compare real backup loads, not just nominal battery capacity.
Before You Sign: Confirm These
These are FranklinWH aPower 2's own documented terms and open questions, not our test results. Get the specifics in writing before you sign anything.
- ?Register the system at installation and keep proof: FranklinWH's end-user warranty document states that systems not registered upon installation are only eligible for a four-year warranty instead of fifteen.
- ?The 15-year warranty is capped at 60 MWh of throughput per battery - if the installer pitches daily VPP or time-of-use cycling, ask for projected annual throughput so you know how fast that cap gets consumed.
- ?Confirm the exact model on the contract line item: aPower 2 and aPower S are both current 15 kWh cabinets, and the legacy 13.6 kWh aPower still shows up in quotes at similar-looking prices.
- ?Incentive eligibility in 2026 depends on ownership structure and equipment sourcing rules (FranklinWH publishes FEOC compliance guidance) - have the installer document program eligibility instead of assuming the expired 25D credit applies.
Your local market has few FranklinWH-certified installers or you need the longest possible public support track record.
Key Models
15 kWh usable, 10 kW continuous, LFP, IP67 rated, starts a 5-ton AC; about $17,500 installed with aGate in installer reviews
newer 15 kWh cabinet with up to 8 kW charging and support for up to 20 kW of solar input; same 15-year or 60 MWh warranty
the required control hub for backup, load management, and stacking; supports up to 15 batteries (225 kWh) on one system
13.6 kWh usable, 5 kW continuous; still circulating in some quotes, so confirm which generation you are actually buying
Support & Warranty
The aPower 2 is warrantied for 15 years or 60 MWh of throughput per unit, whichever comes first, per FranklinWH's product page and its end-user warranty document effective November 2025; that document also requires registration at installation, with unregistered systems dropping to four years of coverage. Warranty service goes through FranklinWH-certified installers with factory support behind them, and the certified network is younger and thinner than Tesla's or Enphase's, so local installer depth matters.
FranklinWH materials reference 15 years or 60 MWh throughput for aPower 2
Warranty terms change by market and contract. Get coverage, throughput or cycle limits, and who actually services the system in writing before you sign.
Alternatives to Compare
Tesla Powerwall 3
mid rangeThe quote every serious buyer should benchmark against, especially in California and Texas.
Generac PWRcell 2
premiumThe brand to cover for buyers deciding whether battery backup or generator backup fits their outage risk.
Savant Power Storage 20
luxuryA premium brand to cover when the buyer is really shopping load control and whole-home energy management.
Comparing a few brands?
Tell us your state, outage goal, and any quotes you have. We will tell you whether FranklinWH aPower 2 or one of these fits better, and check the numbers so you do not overpay.
FAQ
Is FranklinWH aPower 2 worth it in 2026?
FranklinWH deserves early coverage because it shows up in whole-home backup quotes where buyers are comparing against Tesla. The commercial angle is strong: a big 15 kWh cabinet, aGate system design, and enough unfamiliarity that buyers need quote translation.
How much does FranklinWH aPower 2 cost installed?
FranklinWH aPower 2 installs typically run $15,000 to $20,000 based on energysage.com as of July 2026. A FranklinWH quote is always aPower 2 plus the required aGate controller, and most single-unit installs land between $15,000 and $20,000 before incentives. EnergySage's marketplace median for FranklinWH was $1,197 per kWh in the second half of 2025, about $17,955 for the 15 kWh cabinet, and installer reviews cluster around $17,500 installed with aGate included. That per-kWh figure sits between Powerwall 3 at roughly $1,000 and Enphase at $1,419, but the big cabinet means the sticker is the highest of the three. The aGate is not optional, so make sure it shows as its own line item instead of being buried in the battery price. The spread comes from panel or service upgrades, load-management accessories, long conductor runs, and permitting; additional aPower 2 units cost less than the first because the aGate is already in place. The federal 25D residential credit ended for installations completed after December 31, 2025, so a 2026 cash purchase should not assume it, while California SGIP and Texas VPP enrollments still affect net cost where available. Verify program rules before signing - this is not tax advice.
Who is FranklinWH aPower 2 best for?
Buyers who want a larger single cabinet, whole-home backup framing, and a strong alternative to Powerwall 3.
What should buyers watch out for in a FranklinWH aPower 2 quote?
Register the system at installation and keep proof: FranklinWH's end-user warranty document states that systems not registered upon installation are only eligible for a four-year warranty instead of fifteen.
What brands should you compare against FranklinWH aPower 2?
Most buyers should compare FranklinWH aPower 2 with Tesla Powerwall 3, Generac PWRcell 2 and Savant Power Storage 20 before signing anything. That gives you a real read on installed price per usable kWh, backup design, and installer depth.
How strong is FranklinWH aPower 2 on warranty and support?
The aPower 2 is warrantied for 15 years or 60 MWh of throughput per unit, whichever comes first, per FranklinWH's product page and its end-user warranty document effective November 2025; that document also requires registration at installation, with unregistered systems dropping to four years of coverage. Warranty service goes through FranklinWH-certified installers with factory support behind them, and the certified network is younger and thinner than Tesla's or Enphase's, so local installer depth matters.
Sources (9) · Verified Jul 12, 2026
Research quality score /100, from official product pages, datasheets, and support documents.
Methodology
Brand verdicts are based on buyer fit, usable capacity, output, installer depth, support path, price pressure, and the risks that tend to show up after installation. A strong reply from a manufacturer can improve factual clarity, but it does not improve placement.
Specs come from official datasheets, product pages, and support documents, with the verified date shown next to the sources. Any price we publish carries its source and an as-of date. Quote risks are grounded in the quotes buyers send us for review and the patterns that repeat in them.
If support coverage, warranty language, or dealer access are thin, we would rather say that plainly than hide it behind marketing copy.
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