SolarEdge Home Hub Battery 10kWh vs BYD Battery-Box Premium HVM 13.8

Our Verdict Winner: BYD Battery-Box Premium HVM 13.8

The BYD Battery-Box Premium HVM 13.8 wins this battery comparison by a decisive margin. It delivers 13.8 kWh of usable storage with 5.12 kW continuous output and a 6,000-cycle rating. The 4.1 kWh capacity advantage provides 5 additional hours of essential-load backup.

Power / Capacity
10 kWh
vs
13.8 kWh
Efficiency
94.5%
vs
96%
Warranty
10 yrs
vs
10 yrs

Key Differences

  • BYD Battery-Box Premium HVM 13.8 provides 13.8 kWh vs 9.7 kWh usable capacity.
  • BYD Battery-Box Premium HVM 13.8 achieves 96% round-trip efficiency vs 94.5%.

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 BYD Battery-Box Premium HVM 13.8 offers 13.8 kWh usable (13.8 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 18.4 hours for the BYD Battery-Box Premium HVM 13.8. The BYD Battery-Box Premium HVM 13.8's 4.1 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 BYD Battery-Box Premium HVM 13.8 scales up to 3 units (41 kWh total).

Power Output

The SolarEdge Home Hub Battery 10kWh delivers 5 kW continuous and 7.5 kW peak power, while the BYD Battery-Box Premium HVM 13.8 provides 5.12 kW continuous and 5.12 kW peak. The BYD Battery-Box Premium HVM 13.8'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 SolarEdge Home Hub Battery 10kWh's 7.5 kW peak is suitable for lighter startup loads.

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 BYD Battery-Box Premium HVM 13.8 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 96% for the BYD Battery-Box Premium HVM 13.8. This means for every 10 kWh of solar energy stored in the BYD Battery-Box Premium HVM 13.8, 9.6 kWh is recoverable, compared to 9.4 kWh for the other. Over 10 years of daily cycling with 15 kWh average daily throughput, the more efficient battery saves approximately $123 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 BYD Battery-Box Premium HVM 13.8 offers 10 years. Both offer identical warranty duration. 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 BYD Battery-Box Premium HVM 13.8
Capacity 10 kWh 13.8 kWh
Usable Capacity 9.7 kWh 13.8 kWh
Power Output 5 kW 5.12 kW
Chemistry LFP (Lithium Iron Phosphate) LFP (Lithium Iron Phosphate)
Efficiency 94.5% 96%
Cycle Life 6,000 6,000
Weight 107 kg 148 kg
Warranty 10 years 10 years
Scalable Yes Yes

5-Dimension Head-to-Head Analysis

1. Storage Capacity

Winner: BYD Battery-Box Premium HVM 13.8

The BYD Battery-Box Premium HVM 13.8 provides 13.8 kWh versus 9.7 kWh — 4.1 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: BYD Battery-Box Premium HVM 13.8

The BYD Battery-Box Premium HVM 13.8 delivers 5.12 kW continuous versus 5 kW. Sufficient for most essential backup loads including a small AC unit. The power difference is modest for most backup scenarios.

3. Chemistry & Longevity

Winner: Tie

Both 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: BYD Battery-Box Premium HVM 13.8

The BYD Battery-Box Premium HVM 13.8 achieves 96% round-trip efficiency versus 94.5%. Over 10 years of daily cycling with 15 kWh throughput per day, the more efficient battery saves approximately 123 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: Tie

Both carry 10-year warranties — equal long-term manufacturer protection.

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
View full SolarEdge Home Hub Battery 10kWh specs →

BYD Battery-Box Premium HVM 13.8

The BYD Battery-Box Premium HVM 13.8 offers 13.8 kWh of storage using 5 HVM modules. This capacity directly competes with the Tesla Powerwall's 13.5 kWh, providing a comparable storage option for homeowners using compatible high-voltage hybrid inverters.

Pros

  • + 13.8 kWh directly competes with Tesla Powerwall capacity
  • + LFP chemistry offers longer cycle life than Powerwall 2 NMC
  • + Stackable up to 3 towers for 41.4 kWh total storage
  • + Compatible with 30+ hybrid inverter brands worldwide

Cons

  • - 148kg — significantly heavier than Powerwall 3 (130kg) with less power output
  • - 5.12 kW continuous power is well below Powerwall 3's 11.5 kW
  • - Requires separate hybrid inverter — no integrated solar conversion
View full BYD Battery-Box Premium HVM 13.8 specs →

Choose SolarEdge Home Hub Battery 10kWh If...

  • Homeowners with SolarEdge Home Hub inverters who want an integrated DC-coupled battery with reliable performance

Choose BYD Battery-Box Premium HVM 13.8 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
  • You want to minimize energy losses during daily charge/discharge cycling
  • Homeowners seeking Tesla Powerwall-class storage with BYD's modular flexibility and LFP longevity

Our Recommendation

Recommended BYD Battery-Box Premium HVM 13.8

The BYD Battery-Box Premium HVM 13.8 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 BYD Battery-Box Premium HVM 13.8 is the stronger choice for virtually every installation scenario.

Frequently Asked Questions

Which is better, SolarEdge Home Hub Battery 10kWh or BYD Battery-Box Premium HVM 13.8?

The BYD Battery-Box Premium HVM 13.8 wins this battery comparison by a decisive margin. It delivers 13.8 kWh of usable storage with 5.12 kW continuous output and a 6,000-cycle rating. The 4.1 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 BYD Battery-Box Premium HVM 13.8. 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 5.12 kW continuous (5.12 kW peak) for the BYD Battery-Box Premium HVM 13.8. BYD Battery-Box Premium HVM 13.8 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 BYD Battery-Box Premium HVM 13.8 storage later?

SolarEdge Home Hub Battery 10kWh: Yes, up to 3 units for 29 kWh total. BYD Battery-Box Premium HVM 13.8: Yes, up to 3 units for 41 kWh total. Both offer the same scalability.

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