SolarEdge Home Hub Battery 10kWh vs Franklin WH aPower Plus
The Franklin WH aPower Plus wins this battery comparison by a decisive margin. It delivers 15 kWh of usable storage with 10 kW continuous output and a 6,000-cycle rating, backed by a longer 15-year warranty. The 5.3 kWh capacity advantage provides 7 additional hours of essential-load backup.
Key Differences
- • Franklin WH aPower Plus provides 15 kWh vs 9.7 kWh usable capacity.
- • SolarEdge Home Hub Battery 10kWh achieves 94.5% round-trip efficiency vs 90%.
- • Franklin WH aPower Plus offers a longer 15-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 Plus offers 15 kWh usable (15 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 20.0 hours for the Franklin WH aPower Plus. The Franklin WH aPower Plus's 5.3 kWh capacity advantage translates to roughly 7 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 Plus scales up to 15 units (225 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 Plus provides 10 kW continuous and 15 kW peak. The Franklin WH aPower Plus's higher continuous output means it can simultaneously power more demanding appliances during an outage. A central air conditioner typically draws 3-5 kW, a refrigerator 0.1-0.2 kW, and an EV Level 2 charger 7-11 kW. 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 Plus's 15 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 Plus 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 90% for the Franklin WH aPower Plus. This means for every 10 kWh of solar energy stored in the SolarEdge Home Hub Battery 10kWh, 9.4 kWh is recoverable, compared to 9.0 kWh for the other. Over 10 years of daily cycling with 15 kWh average daily throughput, the more efficient battery saves approximately $370 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 Plus offers 15 years. The Franklin WH aPower Plus provides 5 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 Plus |
|---|---|---|
| Capacity | 10 kWh | 15 kWh |
| Usable Capacity | 9.7 kWh | 15 kWh |
| Power Output | 5 kW | 10 kW |
| Chemistry | LFP (Lithium Iron Phosphate) | LFP (Lithium Iron Phosphate) |
| Efficiency | 94.5% | 90% |
| Cycle Life | 6,000 | 6,000 |
| Weight | 107 kg | 136 kg |
| Warranty | 10 years | 15 years |
| Scalable | Yes | Yes |
5-Dimension Head-to-Head Analysis
1. Storage Capacity
Winner: Franklin WH aPower PlusThe Franklin WH aPower Plus provides 15 kWh versus 9.7 kWh — 5.3 kWh more usable storage. At typical essential-load consumption of 0.75 kW, this equals approximately 7 additional hours of backup power. This is a substantial capacity gap.
2. Power Output
Winner: Franklin WH aPower PlusThe Franklin WH aPower Plus delivers 10 kW continuous versus 5 kW. This is enough to run a central AC unit, refrigerator, and general household loads simultaneously. The 5.0 kW power gap significantly impacts what appliances you can run during outages.
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 90%. Over 10 years of daily cycling with 15 kWh throughput per day, the more efficient battery saves approximately 370 dollars in energy that would otherwise be lost as heat (at $0.15/kWh). The difference is moderate but compounds over the battery's lifespan.
5. Warranty Coverage
Winner: Franklin WH aPower PlusThe Franklin WH aPower Plus offers a 15-year warranty versus 10 years. This is among the longest battery warranties in the residential market.
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 Plus
The Franklin WH aPower Plus is the enhanced version of the aPower battery, featuring 15 kWh of LFP storage with a significant power upgrade to 10 kW continuous and 15 kW peak output. It supports both AC-coupled and DC-coupled configurations, meaning it can be installed with new solar arrays using direct DC connection or retrofitted onto existing systems in AC-coupled mode. The aPower Plus maintains the same exceptional scalability as the original aPower, supporting up to 15 units for 225 kWh of total capacity. It features improved round-trip efficiency at 90%, a 15-year warranty, and works with the Franklin aGate for intelligent energy management.
Pros
- + AC/DC-coupled flexibility supports both new installs and retrofits
- + 15 kWh capacity with 10 kW continuous and 15 kW peak power is a major upgrade over the aPower
- + Same exceptional 15-unit scalability up to 225 kWh total
- + 15-year warranty with LFP chemistry for long-term reliability
Cons
- - Still requires aGate gateway for full system management
- - Relatively new product with less field history than the original aPower
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 Plus If...
- ✓ You need more backup storage to cover overnight consumption or extended outages
- ✓ You need to power demanding appliances (AC, EV charger) simultaneously during outages
- ✓ A 15-year warranty gives you the confidence you need
- ✓ You want the flexibility to expand storage capacity over time (up to 15 units)
- ✓ Homeowners wanting maximum flexibility with both AC and DC coupling options in a highly scalable battery system
Our Recommendation
The Franklin WH aPower Plus is the decisive winner in this battery comparison, outperforming the SolarEdge Home Hub Battery 10kWh in 3 of 5 dimensions. Unless you have a specific requirement that the SolarEdge Home Hub Battery 10kWh uniquely addresses, the Franklin WH aPower Plus is the stronger choice for virtually every installation scenario.
Frequently Asked Questions
Which is better, SolarEdge Home Hub Battery 10kWh or Franklin WH aPower Plus?
The Franklin WH aPower Plus wins this battery comparison by a decisive margin. It delivers 15 kWh of usable storage with 10 kW continuous output and a 6,000-cycle rating, backed by a longer 15-year warranty. The 5.3 kWh capacity advantage provides 7 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 Plus. 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 10 kW continuous (15 kW peak) for the Franklin WH aPower Plus. Franklin WH aPower Plus can run more appliances simultaneously during an outage. 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 Plus storage later?
SolarEdge Home Hub Battery 10kWh: Yes, up to 3 units for 29 kWh total. Franklin WH aPower Plus: Yes, up to 15 units for 225 kWh total. Franklin WH aPower Plus 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