Franklin WH Review 2026
Franklin WH manufactures 2 models across batteries.
Headquartered in International · Manufacturing in Various
Founded 2019 · Headquartered in Sunnyvale, California, United States
Parent company: Franklin Whole Home (private)
Franklin WH at a glance
Certifications: UL 9540 · UL 9540A · UL 1973
Warranty: 12-yr product · 12-yr performance
Key milestones
- 2019 Founded in Sunnyvale, California
- 2022 Launched aPower whole-home battery system
Source: www.franklinwh.com/about-us · Last updated 2026-05-27
Franklin WH Pros & Cons (data-driven)
+ Pros
- ✓ Battery warranty averages 13.5yr (above industry 10yr)
- ✓ 100% of SKUs triple-verified against manufacturer datasheets
− Cons
- ✗ Distributor and installer pricing varies — direct retail rarely available
- ✗ Some 2026 models depend on regional distributor availability
Pros and cons calculated against industry baselines: 21% panel efficiency, 12yr panel warranty, -0.32%/°C temp coeff, 90% battery RTE.
Current Franklin WH Product List (2)
Batteries (2)
| Model | Capacity | Power | Chemistry | Warranty | Verified | Details |
|---|---|---|---|---|---|---|
| aPower Plus | 15 kWh | 10 kW | LFP | 15 yr | ✓ | View → |
| aPower | 13.6 kWh | 5 kW | LFP | 12 yr | ✓ | View → |
Spec Sheet Downloads
2 manufacturer-published datasheets available for Franklin WH products. All links go to the official PDF on the manufacturer's website.
- PDF Franklin WH aPower datasheet →https://www.franklinwh.com/document/apower-datasheet
- PDF Franklin WH aPower Plus datasheet →https://www.franklinwh.com/document/apower-2-datasheet
Recent Franklin WH News
SolarSpec does not republish third-party news. For the latest Franklin WH news — product launches, financial filings, recalls, supply-chain updates — search Google News directly.
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Frequently Asked Questions
What is the SolarSpec Score for Franklin WH?
Franklin WH earns a SolarSpec Score of 84/100 (Grade B+) based on the weighted average of all 2 models in their 2026 lineup. The score combines efficiency, warranty, temperature coefficient, and verification status. See our /methodology/ page for the full formula.
How many solar products does Franklin WH offer in 2026?
Franklin WH offers 2 products in their 2026 lineup: 2 batteries.
Where can I download Franklin WH datasheets?
We have direct manufacturer-published datasheet links for 2 of 2 Franklin WH products. See the Spec Sheet Downloads section below for direct PDF links.
How we score brands
Every Franklin WH model in our catalog is scored 0-100 using a transparent formula: efficiency (25 pts), product warranty (20 pts), performance warranty bonus (3 pts), temperature coefficient (12 pts), and datasheet verification (5 pts), on a 50-point baseline. The brand-level score is the simple average across all 2 models.
Read the full SolarSpec methodology →