FranklinWH aPower S
The FranklinWH aPower S is an all-in-one hybrid energy storage system designed to provide whole-home backup power, maximize solar self-consumption, and simplify solar-plus-storage installations. Combining a high-capacity LFP battery with a built-in inverter and MPPT solar inputs, it supports both new and retrofit solar projects. The system delivers high output power capable of running major household loads while offering strong safety, durability, and long-term reliability. Its scalable architecture allows expansion for larger energy demands and future electrification.
Specifications
Energy Capacity
15 kWh usable
Continuous Power Output
10 kW discharge, up to 8 kW charge
Peak Power Output
15 kW (10 seconds)
Battery Chemistry
Lithium Iron Phosphate (LFP)
Round-Trip Efficiency
Up to 90.5%
System Type
Hybrid battery with integrated inverter and solar MPPT inputs
Solar Integration
Supports direct DC solar input with up to four MPPT channels
Operating Temperature Range
-4°F to 131°F
Protection Rating
IP67 outdoor-rated enclosure
Scalability
Up to 15 batteries (225 kWh total system capacity)
Warranty
15-year limited warranty or 60 MWh throughput
Benefits
- Provides whole-home backup capable of powering high-demand appliances
- Maximizes solar energy utilization with integrated hybrid inverter design
- Enhances safety and longevity with stable LFP battery chemistry
- Simplifies installation by combining battery, inverter, and solar inputs into one unit
- Enables flexible system expansion for growing energy needs
- Supports rapid charging and automatic solar black-start recovery after outages
- Improves energy economics with high efficiency and virtual power plant compatibility