FranklinWH aPower Price & Review (2026)
13.6 kWh · 5 kW · Lithium Iron Phosphate (LFP) · 12-year warranty · 4.5/5
The FranklinWH aPower costs $13,000–$16,000 installed in 2026, or about $10,150 after the 30% federal tax credit.
- Installed price: $13,000–$16,000 (unit only: $9,000–$11,000).
- After the 30% federal Investment Tax Credit, the net cost is about $10,150.
- Stores 13.6 kWh usable and delivers 5 kW continuous (10 kW peak).
- Backed by a 12-year warranty (12 years or 60 MWh throughput); up to 15 units (204 kwh).
How much does the FranklinWH aPower cost?
The FranklinWH aPower costs $13,000–$16,000 installed in 2026. The battery unit alone runs $9,000–$11,000; the rest covers labor, electrical work, and permitting. The 30% federal Investment Tax Credit applies when the battery is charged by solar, bringing the net cost to about $10,150.
The FranklinWH aPower pairs a 13.6 kWh LFP battery with the aGate smart controller, which manages solar, grid, battery, and even a generator in one system. It supports very large installs (up to 15 units) and is a popular Powerwall alternative for whole-home backup with generator integration.
FranklinWH aPower specs
| Usable capacity | 13.6 kWh |
|---|---|
| Continuous power | 5 kW |
| Peak power | 10 kW |
| Chemistry | Lithium Iron Phosphate (LFP) |
| Round-trip efficiency | 89% |
| Warranty | 12 years (12 years or 60 MWh throughput) |
| Scalability | Up to 15 units (204 kWh) |
| Integrated inverter | No |
| Unit price (equipment) | $9,000–$11,000 |
| Installed price | $13,000–$16,000 |
Pros
- Manages solar, grid, generator, and battery from one controller
- Scales to 204 kWh for large or off-grid homes
- 10 kW peak handles heavy startup loads
Cons
- Requires the separate aGate controller
- Smaller installer network than Tesla or Enphase
Is the FranklinWH aPower worth it?
Best for: Whole-home backup where a generator is also part of the system. With a 89% round-trip efficiency and a 12-year warranty, the FranklinWH aPower suits homeowners who want flexible, modular storage and plan to pair the battery with solar to claim the 30% tax credit.

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FranklinWH aPower FAQ
The FranklinWH aPower costs $13,000–$16,000 fully installed in 2026. The battery unit alone is $9,000–$11,000. After the 30% federal tax credit, the net cost is about $10,150.
Yes. The 30% federal Investment Tax Credit (ITC) applies to the FranklinWH aPower when it is charged by on-site solar, and standalone storage also qualifies under current rules. On a typical installed price that is roughly $4,350 back.
The FranklinWH aPower stores 13.6 kWh of usable energy and delivers 5 kW of continuous power (10 kW peak). Up to 15 units (204 kWh).
The FranklinWH aPower carries a 12-year warranty (12 years or 60 MWh throughput). Its Lithium Iron Phosphate (LFP) chemistry is rated for a 89% round-trip efficiency.
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