JA Solar

JA Solar 400W Solar Panel 144 Cell PERC JAM72S10-400/MR

Name: JA Solar 400W Solar Panel 144 Cell PERC JAM72S10-400/MR
Brand: JA Solar

400 WPERC

Reviewed model match · retailer offers below

A1 SolarStore$100.80

Per panel · $0.252/W · min. 27

Stock and observation dates shown belowCompare 1 retailers Dated retailer observations below · USD

Review in a system plan

SHOP THE SAME EQUIPMENT

Compare retailer prices.

One exact price collected per panel

1 retailer · 2 offers collected. Prices exclude shipping, tax, and installation. Panel quantities and minimum orders differ; the unit-price range is per panel.

Retailer price observations for JA Solar 400W Solar Panel 144 Cell PERC JAM72S10-400/MR
Retailer	Listed price & quantity	Availability & condition	Observed	Shop
A1 SolarStoreStore policies & support	$100.80Per panel · minimum 27 panels · $2,721.60 minimum order · $100.80/panel	Limited stock when checkedNew	2026-11-07Source date 2026-11-07	View offer
A1 SolarStoreStore policies & support	Price not listed648-panel pack	Out of stock when checkedCondition not recorded	2026-11-07Source date 2026-11-07	View offer

How these offers were matched

Exact manufacturer part number, same manufacturer and 400.0W bin, and identical source technical title after removing only terminal package/clearance sale labels. No fuzzy-title merge. Matching known electrical/design specs were checked; source collision flags and conflicting wattages/specs are excluded. Purchase units and minimum orders remain separate on each offer.

WHAT WE ACTUALLY OBSERVED

Prices have a history.

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.

A1 SolarStore · 27 items · price & stock history

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

A1 SolarStore · 648 items · 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.

How to verify the model and scope

Rated power is a starting point.

Conceptual panel-energy map, not a prediction for this product. A watt rating does not establish daily watt-hours; location, season, shade, orientation, temperature and system losses still matter. Explore seasonal solar assumptions

THE DETAILS THAT MATTER

A clearer look at the specifications.

Published specifications and their source
Specification	Listed value	Source
Crystal structure	Monocrystalline	Retailer specificationsReviewed 2026-11-07
Cell technology	PERC	Retailer specificationsReviewed 2026-11-07
Frame color	Silver frame	Retailer specificationsReviewed 2026-11-07
Panel length (in)	79.3	Retailer specificationsReviewed 2026-11-07
Module efficiency (%)	19.9	Retailer specificationsReviewed 2026-11-07
Module construction	Glass / backsheet	Retailer specificationsReviewed 2026-11-07
Panel power w	400	Retailer listing title
Open-circuit voltage, Voc (V)	49.58	Retailer specificationsReviewed 2026-11-07
Weight (kg)	22.68	Retailer specificationsReviewed 2026-11-07
Panel width (in)	39.2	Retailer specificationsReviewed 2026-11-07