Batteries
Home battery storage: capacity, power, warranties and backup.
Compare home battery specs
| Enphase IQ Battery 5P (IQBATTERY-5P-1P-NA) · US warranty 240 VAC. Warranty registration within 45 days required (US warranty doc). | LFP; AC-coupled (6 embedded IQ8D-BAT microinverters) | 5 | 3.84 | 7.68 (3 s) | 90 AC / 96 DC | 15 yrs or 6,000 cycles | 70% at yr 10 / 60% at yr 15† |
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| FranklinWH aPower 2 (APR-10K15V2-US) Charge 8 kW. Up to 15 units per aGate (225 kWh). | LFP; AC-coupled | 15 | 10 (11.5 kVA) | 15 (10 s) | 90 (grid → battery → load) | 15 yrs or 60 MWh throughput | Not confirmed (in end-user warranty doc) |
| SolarEdge Home Battery 400V (BAT-10K1P) | Lithium-ion; DC-coupled to SolarEdge Home Hub | 9.7 | 5 | 7.5 (10 s) | 94.5 (peak) | 10 yrs | 70%† |
| Tesla Powerwall 3 (1707000-xx-y) · Warranty (PDF) Rated at 25 °C, beginning of life. Charge 5 kW (8 kW with expansions). Warranty may drop to 4 yrs without reliable internet (owner's manual). | Lithium-ion (chemistry not stated on datasheet); integrated hybrid inverter, up to 20 kW DC PV | 13.5 | 11.5 (configurable 5.8 / 7.6 / 10 / 11.5); 15.4 off-grid PV-only | Not stated in kW (185 A LRA motor start) | 89 (solar → battery → home) | 10 yrs | 70% at yr 10 |