JA Solar DeepBlue 4.0 Pro vs REC Alpha Pure-R
A side-by-side look at the JA Solar DeepBlue 4.0 Pro and REC Alpha Pure-R. Winning figures are highlighted.
| JA Solar JA Solar DeepBlue 4.0 Pro | REC REC Alpha Pure-R | |
|---|---|---|
| Price from | n/a | n/a |
| Power | 440 W | 430 W |
| Efficiency | 22 % | 22.3 % |
| Cell technology | N-type TOPCon | HJT |
| Type | Monocrystalline | Monocrystalline |
| Warranty | 15 yrs | 20 yrs |
Best value per row highlighted. Prices last checked 15 October 2026.
JA Solar DeepBlue 4.0 Pro
A dependable mainstream choice that most installers can source easily, with efficiency close to premium panels at a lower price. The safe, widely-available pick.
Full JA Solar DeepBlue 4.0 Pro reviewREC Alpha Pure-R
REC's HJT flagship packs high power into a compact, elegant panel with a lead-free build, a premium pick where quality, aesthetics and low degradation matter most.
Full REC Alpha Pure-R review