Yachu 400 W A‑Class Mono Crystalline Solar Panel
Yachu 400 W A‑Class Mono Crystalline Solar Panel is backordered and will ship as soon as it is back in stock.
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Delivery, Shipping & Returns
Delivery, Shipping & Returns
1. Delivery Policy
All orders are processed and delivered by our delivery team within 1 day within Kampala. If your location is out of Kampala, please allow an additional day in transit for delivery. If there will be a significant delay in shipment of your order, we will contact you via telephone.
2. Returns (refunds and exchanges)
If you are unhappy with your item, please let us know. We only replace items if they are defective or damaged. If you need to exchange an item for the same item, please inform us via telephone or send us an email at sales@kwttechmart.ug and bring your item to our store.
Our refund and returns policy lasts 14 days. If 14 days have passed since your purchase, we can’t offer you a full refund or exchange. To be eligible for a return, your item must be unused and in the same condition that you received it. It must also be in the original packaging.
Bring proof of purchase (receipt, order confirmation page, order details page) and payment method used to make the original purchase.
Yachu 400 W A‑Class Mono Crystalline Solar Panel
Electrical Performance (at STC)
Based on industry-standard 400 W mono panels with the same form factor:
- Pmax: 400 W nominal (with many models offering +3–5 W tolerance)
- Vmp: ~31.2 V
- Imp: ~12.8–13.0 A
- Voc: ~36.9–37.3 V
- Isc: ~13.7–13.9 A
- Efficiency: Typically ~20.5%–21% for modern half‑cell modules
📐 Mechanical & Environmental Specs
- Dims: 1722 × 1134 × 30 mm
- Weight: ~21–22 kg (noting your spec at 17.5 kg is lighter than typical but plausible with optimized framing)
- Glass: 3.2 mm tempered low-iron glass
- Frame: Anodized aluminum alloy, rated for ~2400 Pa wind and ~5400 Pa snow load
- Junction Box: Typically IP65–IP68 rated with MC4-compatible connectors
- Max System Voltage: Up to 1500 V DC depending on certification
🌡️ Temperature Characteristics
- Pmax Temperature Coefficient: ~–0.36% /°C
- Voc Coefficient: ~–0.26%–0.28% /°C
- Isc Coefficient: ~+0.048% /°C
- Operating Temperature Range: −40 °C to +85 °C
✅ Summary Table
|
Specification |
Value |
|
Rated Power |
~400 W (+0–+5 W tolerance) |
|
Vmp / Imp |
~31.2 V / ~12.8–13.0 A |
|
Voc / Isc |
~36.9–37.3 V / ~13.7–13.9 A |
|
Module Efficiency |
~20.5%–21% |
|
Dimensions |
1722 × 1134 × 30 mm |
|
Weight |
~17.5–22 kg (most commonly ~21–22 kg) |
|
Glass / Frame |
3.2 mm tempered glass; anodized aluminum |
|
Max System Voltage |
Up to ~1500 V DC |
|
Stability / Warranty |
Typically 12‑year product, 25‑year performance |
Payment & Security
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