SolarEdge Home Hub Battery 10kWh vs Franklin WH aPower
The Franklin WH aPower wins this battery comparison by a decisive margin. It delivers 13.6 kWh of usable storage with 5 kW continuous output and a 6,000-cycle rating, backed by a longer 12-year warranty. The 3.9 kWh capacity advantage provides 5 additional hours of essential-load backup.
Key Differences
- • Franklin WH aPower provides 13.6 kWh vs 9.7 kWh usable capacity.
- • SolarEdge Home Hub Battery 10kWh achieves 94.5% round-trip efficiency vs 89%.
- • Franklin WH aPower offers a longer 12-year warranty vs 10 years.
Specifications Breakdown
Usable Storage Capacity
The SolarEdge Home Hub Battery 10kWh provides 9.7 kWh of usable capacity (10 kWh total, 100% DoD), while the Franklin WH aPower offers 13.6 kWh usable (13.6 kWh total, 100% DoD). At an average essential-load consumption rate of 750 watts, the SolarEdge Home Hub Battery 10kWh provides approximately 12.9 hours of backup versus 18.1 hours for the Franklin WH aPower. The Franklin WH aPower's 3.9 kWh capacity advantage translates to roughly 5 additional hours of essential-load backup during a grid outage. The SolarEdge Home Hub Battery 10kWh is scalable up to 3 units (29 kWh total), while the Franklin WH aPower scales up to 15 units (204 kWh total).
Power Output
The SolarEdge Home Hub Battery 10kWh delivers 5 kW continuous and 7.5 kW peak power, while the Franklin WH aPower provides 5 kW continuous and 10 kW peak. Matched power output means both can run the same combination of appliances simultaneously. Peak power rating matters for motor-driven loads with high startup current, such as air conditioners, well pumps, and sump pumps. The Franklin WH aPower's 10 kW peak is capable of starting most residential HVAC systems.
Battery Chemistry & Cycle Life
The SolarEdge Home Hub Battery 10kWh uses LFP chemistry with a rated cycle life of 6,000 cycles (approximately 16.4 years of daily cycling), while the Franklin WH aPower uses LFP with 6,000 cycles (approximately 16.4 years). Both use LFP chemistry, which is considered the gold standard for residential energy storage due to its inherent safety, long cycle life, and environmental friendliness. Identical cycle ratings mean both batteries have the same expected operational lifespan under daily cycling.
Round-Trip Efficiency
The SolarEdge Home Hub Battery 10kWh achieves 94.5% round-trip efficiency versus 89% for the Franklin WH aPower. This means for every 10 kWh of solar energy stored in the SolarEdge Home Hub Battery 10kWh, 9.4 kWh is recoverable, compared to 8.9 kWh for the other. Over 10 years of daily cycling with 15 kWh average daily throughput, the more efficient battery saves approximately $452 in energy that would otherwise be lost as heat (at $0.15/kWh average retail rate). Higher round-trip efficiency is especially valuable in time-of-use rate environments where you are storing cheap off-peak energy for expensive peak-hour consumption.
Warranty & Long-Term Protection
The SolarEdge Home Hub Battery 10kWh carries a 10-year warranty, while the Franklin WH aPower offers 12 years and 43 MWh throughput. The Franklin WH aPower provides 2 additional years of manufacturer protection against capacity degradation and defects. Battery warranties typically guarantee the unit will retain 60-70% of original capacity by end of warranty, so the length of coverage directly impacts your financial risk over the system's lifetime.
Specification Comparison
| Specification | SolarEdge Home Hub Battery 10kWh | Franklin WH aPower |
|---|---|---|
| Capacity | 10 kWh | 13.6 kWh |
| Usable Capacity | 9.7 kWh | 13.6 kWh |
| Power Output | 5 kW | 5 kW |
| Chemistry | LFP (Lithium Iron Phosphate) | LFP (Lithium Iron Phosphate) |
| Efficiency | 94.5% | 89% |
| Cycle Life | 6,000 | 6,000 |
| Weight | 107 kg | 130 kg |
| Warranty | 10 years | 12 years |
| Scalable | Yes | Yes |
5-Dimension Head-to-Head Analysis
1. Storage Capacity
Winner: Franklin WH aPowerThe Franklin WH aPower provides 13.6 kWh versus 9.7 kWh — 3.9 kWh more usable storage. At typical essential-load consumption of 0.75 kW, this equals approximately 5 additional hours of backup power. This is a substantial capacity gap.
2. Power Output
Winner: TieBoth deliver 5 kW continuous output — identical ability to power household loads simultaneously.
3. Chemistry & Longevity
Winner: TieBoth use LFP chemistry with identical 6,000-cycle ratings. LFP chemistry provides excellent thermal stability, long cycle life, and no cobalt dependency.
4. Round-Trip Efficiency
Winner: SolarEdge Home Hub Battery 10kWhThe SolarEdge Home Hub Battery 10kWh achieves 94.5% round-trip efficiency versus 89%. Over 10 years of daily cycling with 15 kWh throughput per day, the more efficient battery saves approximately 452 dollars in energy that would otherwise be lost as heat (at $0.15/kWh). This efficiency gap is significant and meaningfully impacts lifetime economics.
5. Warranty Coverage
Winner: Franklin WH aPowerThe Franklin WH aPower offers a 12-year warranty versus 10 years. Consider the remaining warranty period when evaluating total cost of ownership.
SolarEdge Home Hub Battery 10kWh
The SolarEdge Home Hub Battery 10kWh is the 48V variant of SolarEdge's residential battery lineup, designed to pair with the SolarEdge Home Hub inverter for a complete energy management system. It provides 9.7 kWh of usable LFP storage with the same 94.5% round-trip efficiency as its higher-voltage sibling. The DC-coupled design maximizes solar self-consumption by reducing conversion losses, while the integrated thermal management system ensures consistent performance across a wide temperature range. Three units can be stacked for up to 29.1 kWh of usable capacity.
Pros
- + Seamless integration with SolarEdge Home Hub inverter ecosystem
- + 94.5% round-trip efficiency with built-in thermal management
- + LFP chemistry provides long cycle life with 100% usable capacity
- + SolarEdge monitoring platform provides detailed energy analytics
Cons
- - Requires SolarEdge Home Hub inverter, limiting flexibility
- - 5 kW continuous output may bottleneck high-demand appliances
Franklin WH aPower
The Franklin WH aPower is a 13.6 kWh LFP battery designed to work with the Franklin aGate energy management gateway for comprehensive whole-home energy control. Its 10 kW peak power capability handles demanding startup surges from appliances like air conditioners and well pumps. With support for up to 15 units, the system scales to 204 kWh for commercial-grade residential applications. The inverter-agnostic AC-coupled design makes it compatible with virtually any existing solar installation, making it one of the most flexible battery options available. Franklin backs it with a 12-year warranty and 43 MWh throughput guarantee.
Pros
- + Exceptional scalability with up to 15 units for 204 kWh total capacity
- + 10 kW peak power handles heavy appliance startup surges
- + Inverter-agnostic AC-coupled design works with any solar system
- + 12-year warranty with 43 MWh throughput guarantee exceeds industry standard
Cons
- - Requires the separate aGate unit for full backup and management features
- - 89% round-trip efficiency is below average for LFP batteries
- - 5 kW continuous output per unit is modest for the capacity
Choose SolarEdge Home Hub Battery 10kWh If...
- ✓ You want to minimize energy losses during daily charge/discharge cycling
- ✓ Homeowners with SolarEdge Home Hub inverters who want an integrated DC-coupled battery with reliable performance
Choose Franklin WH aPower If...
- ✓ You need more backup storage to cover overnight consumption or extended outages
- ✓ A 12-year warranty gives you the confidence you need
- ✓ You want the flexibility to expand storage capacity over time (up to 15 units)
- ✓ Homeowners who need massive scalability and inverter-agnostic compatibility with a focus on whole-home backup
Our Recommendation
The Franklin WH aPower is the decisive winner in this battery comparison, outperforming the SolarEdge Home Hub Battery 10kWh in 2 of 5 dimensions. Unless you have a specific requirement that the SolarEdge Home Hub Battery 10kWh uniquely addresses, the Franklin WH aPower is the stronger choice for virtually every installation scenario.
Frequently Asked Questions
Which is better, SolarEdge Home Hub Battery 10kWh or Franklin WH aPower?
The Franklin WH aPower wins this battery comparison by a decisive margin. It delivers 13.6 kWh of usable storage with 5 kW continuous output and a 6,000-cycle rating, backed by a longer 12-year warranty. The 3.9 kWh capacity advantage provides 5 additional hours of essential-load backup.
Which battery lasts longer?
The SolarEdge Home Hub Battery 10kWh is rated for 6,000 cycles versus 6,000 for the Franklin WH aPower. Both have identical expected cycle life. LFP chemistry generally outlasts NMC in cycle life testing.
Which battery provides more backup power?
The SolarEdge Home Hub Battery 10kWh provides 5 kW continuous (7.5 kW peak) versus 5 kW continuous (10 kW peak) for the Franklin WH aPower. Both deliver identical continuous power. A central AC typically needs 3-5 kW, a refrigerator 0.2 kW, and an EV charger 7-11 kW.
Can I expand SolarEdge Home Hub Battery 10kWh or Franklin WH aPower storage later?
SolarEdge Home Hub Battery 10kWh: Yes, up to 3 units for 29 kWh total. Franklin WH aPower: Yes, up to 15 units for 204 kWh total. Franklin WH aPower offers more expansion potential.
Which battery chemistry is safer?
Both use LFP (Lithium Iron Phosphate) chemistry, which is the safest lithium battery chemistry for residential use. LFP does not undergo thermal runaway, uses no cobalt, and is inherently stable.
Related Resources
Last updated: February 2026