Astronergy · Solar panels · n-type TOPCon bifacial
Astronergy ASTRO N5 CHSM72N(DG)/F-BH 580~600W Bifacial Solar Panel
Model CHSM72N(DG)/F-BH (ASTRO N5 Bifacial Series)
Astronergy ASTRO N5 Bifacial Series, model CHSM72N(DG)/F-BH, in 580 W to 600 W ratings. Built on n-type TOPCon 4.0 cells with SMBB design, the double-glass module reaches 23.2% maximum efficiency, holds a temperature coefficient of -0.29%/°C and 80 ± 5% bifaciality, and is sorted at 0~+3% power tolerance. First year power degradation is no more than 1.0% and 0.4% per year from year 2 to 30, backed by a 30-year linear power warranty and a 15-year product warranty underwritten by an international insurer.
Supplied and installed by Solar Works Pakistan across Punjab. For current pricing and availability, WhatsApp +92 336 6664321.

Key features
- n-type TOPCon 4.0 cells for higher module efficiency
- Better temperature coefficient: ≤ -0.29%/°C, suited to high temperatures
- Bifacial power generation maximising backside output
- SMBB design enhances current collection and minimises power loss
- 30-year linear power warranty and 15-year product warranty
- Tier 1 warranty underwritten by an international insurer
Headline performance
| Power range | 580 ~ 600 W |
|---|---|
| Power sorting | 0 ~ +3% |
| Max. module efficiency | 23.2% |
| First year power degradation | ≤ 1.0% |
| Year 2-30 power degradation | ≤ 0.4% |
| Bifaciality (Pmpp) | 80 ± 5% |
Electrical specifications - STC (1000 W/m², 25 °C, AM 1.5)
| 580 W | Vmpp 43.70 V · Impp 13.27 A · Voc 52.21 V · Isc 14.01 A · Efficiency 22.5% |
|---|---|
| 585 W | Vmpp 43.88 V · Impp 13.33 A · Voc 52.42 V · Isc 14.07 A · Efficiency 22.6% |
| 590 W | Vmpp 44.05 V · Impp 13.40 A · Voc 52.62 V · Isc 14.13 A · Efficiency 22.8% |
| 595 W | Vmpp 44.21 V · Impp 13.46 A · Voc 52.81 V · Isc 14.20 A · Efficiency 23.0% |
| 600 W | Vmpp 44.38 V · Impp 13.52 A · Voc 53.01 V · Isc 14.26 A · Efficiency 23.2% |
Electrical specifications - BNPI (front 1000 W/m², rear 135 W/m², 25 °C)
| 635 W | Vmpp 43.79 V · Impp 14.50 A · Voc 52.39 V · Isc 15.37 A |
|---|---|
| 640 W | Vmpp 43.96 V · Impp 14.56 A · Voc 52.58 V · Isc 15.43 A |
| 645 W | Vmpp 44.11 V · Impp 14.62 A · Voc 52.75 V · Isc 15.49 A |
| 650 W | Vmpp 44.26 V · Impp 14.69 A · Voc 52.93 V · Isc 15.56 A |
| 655 W | Vmpp 44.40 V · Impp 14.75 A · Voc 53.10 V · Isc 15.63 A |
Mechanical specifications
| Outer dimensions (L × W × H) | 2278 × 1134 × 30 mm |
|---|---|
| Cell type | n-type mono-crystalline |
| No. of cells | 144 (6 × 24) |
| Frame technology | Aluminum, silver anodized |
| Front / back glass | 2.0 + 2.0 mm |
| Cable length (including connector) | Portrait: (+) 350 mm, (-) 250 mm; customised length |
| Cable diameter (IEC/UL) | 4 mm² / 12 AWG |
| Maximum mechanical test load | 5400 Pa (front) / 2400 Pa (back) |
| Connector type (IEC/UL) | HCB40 (standard) / MC4-EVO2A (optional) |
| Module weight | 31.1 kg |
| Packing unit | 36 pcs / box · 720 pcs per 40' HQ container |
Temperature ratings and operating parameters
| Temperature coefficient (Pmpp) | -0.29% / °C |
|---|---|
| Temperature coefficient (Isc) | +0.043% / °C |
| Temperature coefficient (Voc) | -0.25% / °C |
| Junction box IP rating | IP68 |
| Max. series fuse rating | 30 A |
| Max. system voltage (IEC/UL) | 1500 VDC |