JA Solar DeepBlue 4.0 Pro vs LONGi Hi-MO X6
A side-by-side look at the JA Solar DeepBlue 4.0 Pro and LONGi Hi-MO X6. Winning figures are highlighted.
| JA Solar JA Solar DeepBlue 4.0 Pro | LONGi LONGi Hi-MO X6 | |
|---|---|---|
| Price from | n/a | n/a |
| Power | 440 W | 430 W |
| Efficiency | 22 % | 22.8 % |
| Cell technology | N-type TOPCon | HPBC (back-contact) |
| Type | Monocrystalline | Monocrystalline |
| Warranty | 15 yrs | 15 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 reviewLONGi Hi-MO X6
LONGi's residential back-contact panel pushes efficiency into premium territory while backing it with the scale and bankability of the biggest name in modules.
Full LONGi Hi-MO X6 review