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Fortress 16KW Duo 21

Model: KIT-FORT-DUO21K-32KWH-14.4KW-TIGO-F · SKU: KIT-FORT-DUO21K-32KWH-14.4KW-TIGO-F

Prepared Nov 12, 2026

Common specifications

Total panel outputNot documented
Panels includedNot documented
Panel modelNot documented
Battery energyNot documented
Battery optionsNot documented
BatteryNot documented
Inverter outputNot documented
InverterNot documented
Included components
Inverter: Fortress Power Envy Duo 21 Inverter – 1. Battery Storage: Fortress Power eBoost 16 kWh All Weather Battery – 2; Fortress Power eBoost eWay Battery Box Wire Management System – 1; Fortress Power eWay Lite Battery Box Wire Management System – 1. Solar Panels: 14.4KWH. Solar Wire / Solar Connectors: 10 AWG PV Wire Black – 100 ft; 10 AWG PV Wire Red – 100 ft; Solar Connectors Male and Female – 10 pairs. Rapid Shutdown: Tigo Rapid Shutdown TS4-A-F (725W, 22A, 1.2 m) – One per panelSource Paid link.[1]
Enclosure volumeNot documented
Warranty termNot documented

All recorded specifications

Included components
Inverter: Fortress Power Envy Duo 21 Inverter – 1. Battery Storage: Fortress Power eBoost 16 kWh All Weather Battery – 2; Fortress Power eBoost eWay Battery Box Wire Management System – 1; Fortress Power eWay Lite Battery Box Wire Management System – 1. Solar Panels: 14.4KWH. Solar Wire / Solar Connectors: 10 AWG PV Wire Black – 100 ft; 10 AWG PV Wire Red – 100 ft; Solar Connectors Male and Female – 10 pairs. Rapid Shutdown: Tigo Rapid Shutdown TS4-A-F (725W, 22A, 1.2 m) – One per panelDocumented claim
Conditions

The kit contents as SanTan Solar's listing "Fortress 16KW Duo 21 | 32KWH Storage | 14.4KW Array | Tigo Rapid Shutdown | Kit" prints them in its description, read October 27, 2026. Seller statement; the parts are listed one by one under included parts.

Location: Listing description, contents list

The kit contents as SanTan Solar's listing "Fortress 16KW Duo 21 | 32KWH Storage | 14.4KW Array | Tigo Rapid Shutdown | Kit" prints them in its description, read October 27, 2026. Seller statement; the parts are listed one by one under included parts.

Location: Listing description, contents list

[1]

Warranty

Certificate records

No records documented.

Sources and revisions

  1. SanTan Solar store catalog row for SKU KIT-FORT-DUO21K-32KWH-14.4KW-TIGO-F: Fortress 16KW Duo 21 | 32KWH Storage | 14.4KW Array | Tigo Rapid Shutdown | Kit (rows file store-rows-santan-solar-2026-10-27.json, read 2026-10-27T06:25:03.915Z)Paid link.Distributor product page · Checked https://www.santansolar.com/product/fortress-16kw-duo-21-32kwh-storage-14-4kw-array-tigo-rapid-shutdown-kit/