Fortress Power Envy Duo 21 Inverter

Inverters

Fortress Power Envy Duo 21 Inverter

InvertersSourced specifications

Retailer listing · 1 offer collected

SanTan Solar$5,449.00

Listed equipment price

In stock when checkedView retailer offer Price observation: 2026-11-04 · USD
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One exact price collected

1 retailer · 1 offer collected. Prices exclude shipping, tax, and installation. Compare the stock, condition, and date for each offer.

Retailer price observations for Fortress Power Envy Duo 21 Inverter
RetailerListed price & quantityAvailability & conditionObservedShop
SanTan SolarStore policies & support $5,449.00Single itemIn stock when checkedCondition not recordedSource date 2026-11-04View offer

WHAT WE ACTUALLY OBSERVED

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Observations keep their original source dates and purchase scopes. Historical lows are separate from current availability. Unpriced and configuration-dependent offers are never treated as exact-price lows.

SanTan Solar · Single item · price & stock history

Open to load this exact offer’s dated source observations.

Standards evidence.

No exact-model certification record has been reviewed for this listing in our evidence collection. This does not establish whether the product is certified.

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THE DETAILS THAT MATTER

A clearer look at the specifications.

Published specifications and their source
SpecificationListed valueSource
Maximum solar input (W)25000Retailer specifications
MPPT trackers3Retailer specifications
Weight (kg)57Retailer specifications

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