Home Battery Comparison
Compare the top home batteries side by side. Tesla Powerwall 3, BYD, Sungrow, and Enphase - see which is right for your home.
Specifications Compared
| Spec | Tesla Powerwall 3 | BYD Battery-Box Premium | Sungrow SBR | Enphase IQ Battery |
|---|---|---|---|---|
| Capacity | 13.5 kWh | 10.2-20.5 kWh | 9.6-25.6 kWh | 3.36-10.08 kWh |
| Continuous Power | 11.5 kW continuous | 10.2 kW | 6.4-12.8 kW | 1.28 kW per unit |
| Chemistry | LFP | LFP | LFP | LFP |
| Warranty | 10 years | 10 years | 10 years | 15 years |
| Cycle Life | 4,000+ | 6,000+ | 6,000+ | 4,000+ |
| Round-trip Efficiency | 90% | 96% | 96% | 89% |
| Backup Ready | Yes (built-in) | With compatible inverter | With Sungrow hybrid | Yes (with IQ System) |
| Inverter | Built-in hybrid | AC-coupled (needs inverter) | DC-coupled (Sungrow) | Microinverter system |
| Price (installed) | $12,000-$16,000 | $8,500-$14,000 | $7,500-$15,000 | $12,000-$18,000 |
| After Federal Rebate | $8,000-$11,950 | $5,440-$9,940 | $4,620-$10,500 | $8,976-$14,976 |
| Our Rating | star4.8 | star4.6 | star4.5 | star4.4 |
Detailed Breakdown
Tesla Powerwall 3
Whole-home backup seekers
thumb_upPros
- checkAll-in-one solution
- checkWhole-home backup
- checkStorm Watch feature
- checkSleek design
- checkHigh power output
thumb_downCons
- removePremium pricing
- removeLimited installer network
- removeProprietary ecosystem
BYD Battery-Box Premium
Value-focused buyers
thumb_upPros
- checkModular/stackable
- checkExcellent value
- checkHigh efficiency
- checkCompatible with many inverters
- checkCobalt-free
thumb_downCons
- removeRequires separate inverter
- removeLess polished software
- removeBasic monitoring app
Sungrow SBR
Budget-conscious buyers
thumb_upPros
- checkBest value per kWh
- checkModular 3.2kWh modules
- checkHigh efficiency
- checkPairs perfectly with Sungrow inverters
thumb_downCons
- removeTied to Sungrow ecosystem
- removeLower power output
- removeLess brand recognition
Enphase IQ Battery
Enphase solar owners
thumb_upPros
- check15-year warranty
- checkNo single point of failure
- checkWorks with microinverters
- checkIndoor/outdoor rated
thumb_downCons
- removeLower power output
- removeHigher cost per kWh
- removeRequires Enphase ecosystem
Our Recommendations
emoji_eventsBest Overall: Tesla Powerwall 3
If budget allows, the Powerwall 3 offers the most complete solution with built-in inverter, whole-home backup, and polished software. The 11.5kW continuous output handles large loads that other batteries can't.
savingsBest Value: Sungrow SBR + Hybrid Inverter
For the budget-conscious, Sungrow offers the lowest cost per kWh without sacrificing quality. Pair with their hybrid inverter for a seamless, affordable system.
extensionMost Flexible: BYD Battery-Box Premium
BYD's modular design works with almost any inverter brand. Start with 10kWh and expand to 20+ kWh as your needs grow. Great for existing solar systems.
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