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Tesla Powerwall 3 (13.5 kWh LFP)
Next-generation integrated residential storage system with 13.5 kWh usable capacity, built-in 11.5 kW solar inverter with 6 MPPTs, and 185A continuous off-grid surge.
97.5% rated efficiency
10-year product warranty
$622/kWh usable (from rated capacity)
no certifications published · DCR
Methodology 2026.10-v1 · Not yet verified — scores use unconfirmed catalogue data · Ranked, not sponsored
- Certifications: None of NF C 15-100, UTE C 15-712-1, CE, QualiPV found in published specs — confirm with the datasheet.
- Grid interconnection: Enedis-NOI-RES_13E / DIN V VDE V 0126-1-1 / EN 50549-1
- Legal register: Unverified
Register merge of jurisdiction, policy, and legal-seed data. Unmatched items stay unverified — confirm with the datasheet and local authority before purchase.
Buy on Amazon
www.amazon.comPrice index: $3780 / panel (indicative)
Buy on Amazon USRegional distributor channels
Affiliate disclosure: SolarQna may earn a verified referral commission. Prices are indicative.
Comprehensive Technical Specifications
Standard Test Conditions (STC): Irradiance 1000 W/m², Cell Temperature 25°C, AM1.5
| Usable Energy | 13.5 kWh |
| Continuous Power Output | 11.5 kW |
| Peak Output Surge | 30 kW (10s) |
| Solar MPPT Inputs | 6 Trackers Built-in |
| Battery Chemistry | Lithium Iron Phosphate (LiFePO4) |
| Operating Temperature | -20°C to 50°C (Active Liquid Thermal) |
| Enclosure Protection | NEMA 3R / IP67 Indoor/Outdoor |
Hardware Compatibility & System Pairing
Physics-based sizing rules (NEC 690, UL 1741): MPPT voltage windows, cold Voc safety margins, and closed-loop CAN/RS485 handshake.