JA Solar
JA Solar Deep Blue 4.0
4.3 440W
Tier-1 N-type panel offering a strong balance of efficiency, reliability and price.
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Specifications
| Power | 440 W |
|---|---|
| Efficiency | 22.5 % |
| Cell technology | N-type TOPCon |
| Type | Monocrystalline |
| Warranty | 25 yrs |
Our verdict
A dependable mainstream choice that most installers can source easily, with efficiency close to premium panels at a lower price.
Pros
- Great value
- Widely available
- Solid warranty
Cons
- Not the absolute highest efficiency