Tesla Powerwall 3 1807000-10-y 13.5kWh Expansion Lithium Iron Phosphate Battery Tesla
Tesla Powerwall 3 1807000-10-y 13.5kWh Expansion Lithium Iron Phosphate Battery Tesla

Tesla Powerwall 3 1807000-20-y 13.5kWh Expansion Lithium Iron Phosphate Battery - Newer Model US made

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Tesla Powerwall 3 1807000-10-y 13.5kWh Expansion Lithium Iron Phosphate Battery Tesla

Tesla

Tesla Powerwall 3 1807000-20-y 13.5kWh Expansion Lithium Iron Phosphate Battery - Newer Model US made

$8,500.00 $7,100.00
Tesla Powerwall 3 1807000-10-y 13.5kWh Expansion Lithium Iron Phosphate Battery Tesla

Tesla

Tesla Powerwall 3 1807000-20-y 13.5kWh Expansion Lithium Iron Phosphate Battery - Newer Model US made

$8,500.00 $7,100.00
  • Description

Tesla Powerwall 3 Expansion Unit 13.5kWh (1807000-20-Y)

Add 13.5kWh of lithium iron phosphate (LFP) storage to your Tesla Powerwall 3 system. The Expansion Unit connects to a Powerwall 3 leader unit through the Tesla Expansion Harness (DC-coupled), extending backup time and solar self-consumption. It requires a Powerwall 3 to operate and has no inverter of its own.

Key Features

  • 13.5kWh capacity added to an existing Powerwall 3
  • Compatibility: Powerwall 3 only (model 1707000-xx-J or later)
  • Expandable: up to 3 Expansion Units per Powerwall 3, for up to 54kWh of total storage
  • Indoor/outdoor rated: IP67 / NEMA 3R enclosure, operates from –4°F to 122°F (–20°C to 50°C)
  • 10-year warranty with 70% minimum capacity retention

Installation & Integration

  • Requires installation by a Tesla-certified installer
  • Connects via Tesla Expansion Harness (0.5m, 2m, or 4m lengths)
  • Floor or wall mount; up to 3 Expansion Units can be stacked (floor mount only)
  • Not field-serviceable; faulty units are exchanged

Specifications

  • Model: 1807000-20-Y
  • Capacity: 13.5kWh
  • Chemistry: Lithium iron phosphate (LFP)
  • Operating temperature: –20°C to 50°C (–4°F to 122°F)
  • Operating humidity: up to 100%, condensing
  • Maximum elevation: 3,000 m (9,843 ft)
  • Enclosure rating: IP67 / NEMA 3R
  • Dimensions (H x W x D): 43.5 x 24 x 6.6 in (1105 x 609 x 168 mm)
  • Weight: 242.5 lb (110 kg)
  • Certifications: UL 1973, UL 9540

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