Aiko Neostar 2S vs JA Solar DeepBlue 4.0 Pro
A side-by-side look at the Aiko Neostar 2S and JA Solar DeepBlue 4.0 Pro. Winning figures are highlighted.
| Aiko Aiko Neostar 2S | JA Solar JA Solar DeepBlue 4.0 Pro | |
|---|---|---|
| Price from | n/a | n/a |
| Power | 445 W | 440 W |
| Efficiency | 22.3 % | 22 % |
| Cell technology | ABC | N-type TOPCon |
| Type | Monocrystalline | Monocrystalline |
| Warranty | 25 yrs | 15 yrs |
Best value per row highlighted. Prices last checked 15 October 2026.
Aiko Neostar 2S
If roof space is tight, Aiko's ABC cells squeeze more generation per square metre than almost anything else, with strong shade tolerance and a clean all-black look.
Full Aiko Neostar 2S reviewJA 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 review