Home battery · FranklinWH
aPower 2
Current model: aPower 2
High-capacity, high-output storage built around flexible whole-home energy management.
Manufacturer specs, reviewed July 2026
15 kWhUsable energy
10 kWContinuous power
15 yearsManufacturer warranty
What it brings to the design
High-capacity, high-output storage built around flexible whole-home energy management.
The FranklinWH aPower 2 is a 15 kWh LFP battery designed to work with the aGate energy-management controller. FranklinWH supports solar, grid, generator, and selected EV energy inputs within its broader home-power ecosystem.
Your proposal names the exact model and setup we’ll install.
Published specifications
aPower 2 at a glance.
Straight from the manufacturer’s spec sheet.
| Specification | Published value |
|---|---|
| Model | aPower 2 |
| Usable energy | 15 kWh |
| Continuous output | 10 kW |
| Solar input / architecture | AC-coupled battery · managed through FranklinWH aGate |
| Battery chemistry | Lithium iron phosphate (LFP) |
| Manufacturer warranty | 15 years / 60 MWh throughput |
Why homeowners consider it
Key strengths
- Large capacity in a single battery
- LFP chemistry and passive cooling
- Generator integration within supported designs
- Scalable architecture for larger homes and projects
Often a fit for
Best suited for
- Homeowners prioritizing long backup duration
- Projects that benefit from generator coordination
- Larger homes or systems that may expand later
Before we recommend it
What we’ll figure out with you
- Is generator integration part of the resilience plan?
- How many large loads may operate together?
- Where can the battery and aGate be located?
- Does the home need circuit-level load controls?
It has to fit your whole system
Specs narrow the field. We also make sure it fits your roof, your electrical panel, your permit and your utility’s rules.
If a model ever has to change, we tell you before installation.