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Astronergy 635W N-Type Bifacial
Part of Astronergy’s ASTRO N-series compact platform — a 144-cell, 2278mm-length N-Type TOPCon bifacial module spanning roughly 580–635W, sized for standard residential and commercial rooftop rafter spacing.
Solar panel prices shift with USD/PKR and international module rates — WhatsApp or call for today’s confirmed price.
Overview
Part of Astronergy’s ASTRO N-series compact platform — a 144-cell, 2278mm-length N-Type TOPCon bifacial module spanning roughly 580–635W, sized for standard residential and commercial rooftop rafter spacing. This 635W bin sits within Astronergy’s published range for the ASTRO N5 / N7 series.
Where This Panel Fits
At 635W, the Astronergy 635W N-Type Bifacial is sized for residential rooftops and small-to-medium commercial net-metering systems. It’s light and compact enough for standard rafter-mounted racking, and its physical dimensions match the string voltage ranges most residential hybrid inverters sold in Pakistan are designed around — so pairing it with a common local inverter brand shouldn’t require any unusual string configuration.
Key Features
N-Type TOPCon 4.0
Lower degradation and stronger low-light performance than P-type PERC.
SMBB / Multi-Busbar Design
Improves current collection and micro-crack tolerance.
Compact 144-Cell Format
Suits standard rooftop rafter spacing better than 210mm large-format panels.
Bifacial Glass-Glass
2.0 + 2.0mm construction for durability and rear-side yield.
15-Year Product Warranty
Ahead of the 12-year industry standard on many competing brands.
Electrical Specifications (STC)
| Parameter | Value |
|---|---|
| Maximum Power (Pmax) | 605 W |
| Module Efficiency | 22.0% – 22.8% |
| Cell Type | N-Type TOPCon, 144 (6×24, half-cut) |
| Temp. Coefficient of Pmax | −0.29%/°C |
Mechanical Specifications
| Parameter | Value |
|---|---|
| Dimensions (L × W × H) | 2278 × 1134 × 30 mm |
| Weight | ≈ 32 kg |
| Junction Box | IP68, 3 bypass diodes (platform typical) |
| Max System Voltage | 1500V DC (platform typical) |
System Sizing Example
A rough guide to how many Astronergy 635W N-Type Bifacial panels a typical grid-tied or net-metering system would need, before accounting for shading, orientation losses, or inverter clipping:
| Target System Size | Panels Needed | Resulting Array Size |
|---|---|---|
| 3 kW system | 5 panels | 3.17 kW actual DC array size |
| 5 kW system | 8 panels | 5.08 kW actual DC array size |
| 10 kW system | 16 panels | 10.16 kW actual DC array size |
These figures are a starting estimate only — your installer should size the final array against your actual roof space, shading conditions, and inverter’s DC input limits. WhatsApp 0300-0644424 with your rough monthly electricity bill and we can help estimate the right system size for your usage.
Warranty
Product Warranty
15 years
Linear Power Warranty
30 years, first-year ≤1.0%, then ≤0.4%/year
Datasheet
Astronergy — Official Datasheet
Download the manufacturer’s full PDF for certified electrical curves, IEC certifications and packaging configuration before finalizing any order.
Frequently Asked Questions
What is the price of Astronergy 635W N-Type Bifacial in Pakistan?
Prices change daily with USD/PKR exchange rates and international module costs, so we don’t list a fixed price here. WhatsApp 0300-0644424 or call UAN 0304-1111988 and we’ll confirm today’s best price on this panel immediately.
Is the Astronergy 635W N-Type Bifacial bifacial or monofacial?
This is a bifacial N-Type solar panel rated at 635W under Standard Test Conditions (STC). Bifacial panels also generate power from their rear side when mounted with a reflective or elevated surface underneath.
What warranty does Astronergy offer on this panel?
Astronergy panels in this catalog typically carry a 12–15 year product warranty and a 25–30 year linear power output warranty. Exact terms depend on the specific model and import batch — confirm with your invoice.
How many units can a 635W panel generate per day in Pakistan?
As a rough estimate, a 635W panel produces around 2.72–3.33 kWh per day under typical Pakistani sun hours (4.5–5.5 peak sun hours), before system losses and inverter efficiency.
Where can I buy Astronergy 635W N-Type Bifacial in Pakistan with fast delivery?
Pakistan Solar Traders stocks and ships this panel nationwide. WhatsApp 0300-0644424 or call UAN 0304-1111988 to confirm current stock, price and delivery timeline to your city.
Why Buy This Panel from Pakistan Solar Traders
We stock the Astronergy 635W N-Type Bifacial alongside dozens of other Astronergy and competing-brand panels, so you get a genuine point of comparison rather than a single-brand sales pitch. Because bifacial panel prices move daily with USD/PKR exchange rates and international module costs, we don’t publish a fixed price on this page — WhatsApp 0300-0644424 or call UAN 0304-1111988 and we’ll confirm today’s rate, current stock, and a realistic delivery timeline to your city immediately.
Maintenance in Pakistani Conditions
Dust accumulation is the single biggest performance drag on solar panels in most of Pakistan, particularly in Punjab and Sindh during the dry pre-monsoon months — a heavily dust-coated Astronergy 635W N-Type Bifacial can lose 10–15% of its rated output before it becomes visibly obvious. A simple monthly rinse with water (avoid abrasive cleaning or harsh detergents that can degrade the anti-reflective glass coating) is usually enough to keep a rooftop array performing close to its 635W rated capacity. In coastal areas like Karachi, periodically check the frame and junction box for salt residue, since prolonged salt exposure can accelerate corrosion on lower-quality frame coatings over many years — one more reason Tier-1 branded panels with proper IP68-rated junction boxes are worth the price difference over unbranded alternatives.
More Astronergy Panels
Astronergy 580W N-Type Bifacial
580W · N-Type BifacialView Panel →
Astronergy 585W Bifacial (20BB)
585W · N-Type BifacialView Panel →
Astronergy 585W N-Type Bifacial
585W · N-Type BifacialView Panel →
Astronergy 620W N-Type Bifacial
620W · N-Type BifacialView Panel →
Astronergy 610W Bifacial
610W · BifacialView Panel →
Astronergy 615W N-Type Bifacial
615W · N-Type BifacialView Panel →
Explore Other Brands
Request a Quote
Tell us your city and how many panels you need — we’ll reply the same day with current stock and pricing.
Pakistan Solar Traders — Astronergy 635W N-Type Bifacial. Specifications summarized from Astronergy’s published datasheet data; confirm exact certified values against the official datasheet before publishing pricing or contracts.