--- title: "BYD HSBK-33-730 vs BYD NSBK-33-710 - Solar Panel Comparison | ComparePV" description: "Compare BYD HSBK-33-730 vs BYD NSBK-33-710 side by side: what actually differs, output when it is hot, thirty-year production, and the full specification." source: "https://comparepv.com/compare/byd-hsbk-33-730/byd-nsbk-33-710" image: "https://comparepv.com/og/compare/panels/byd-hsbk-33-730/byd-nsbk-33-710.png" updated: 2026-09-11 --- # BYD HSBK-33-730 vs BYD NSBK-33-710 HSBK-33-730 leads on the differences that matter The largest is temperature coefficient: 0.038 %/°C better in heat. 12 of 19 comparable parameters are identical. ## The two panels | Attribute | A | B | | --- | --- | --- | | Panel | [BYD HSBK-33-730](https://comparepv.com/panel/byd-hsbk-33-730) | [BYD NSBK-33-710](https://comparepv.com/panel/byd-nsbk-33-710) | | Manufacturer | BYD | BYD | | Power | 730 Wp | 710 Wp | | Efficiency | 23.50 % | 22.86 % | | Technology | HJT | TOPCon | ## Where they differ Ranked by how much the difference matters, not by datasheet order. | Parameter | HSBK-33-730 | NSBK-33-710 | Difference | | --- | --- | --- | --- | | Temperature coefficient | -0.240 %/°C | -0.278 %/°C | +0.038 %/°C for HSBK-33-730 | | Module efficiency | 23.50 % | 22.86 % | +0.64 pp for HSBK-33-730 | | Power density | 235.0 Wp/m² | 228.6 Wp/m² | +6.4 Wp/m² for HSBK-33-730 | | Rated power | 730 Wp | 710 Wp | +20 W for HSBK-33-730 | | Cell technology | HJT | TOPCon | HJT vs TOPCon | | Open-circuit voltage | 50.37 V | 49.00 V | 1.37 V apart | | Voltage at max power | 42.32 V | 41.16 V | 1.16 V apart | ## Every compared parameter | Parameter | HSBK-33-730 | NSBK-33-710 | | --- | --- | --- | | Rated power | 730 Wp | 710 Wp | | Module efficiency | 23.50 % | 22.86 % | | Power density | 235.0 Wp/m² | 228.6 Wp/m² | | Open-circuit voltage | 50.37 V | 49.00 V | | Voltage at max power | 42.32 V | 41.16 V | | Short-circuit current | 18.35 A | 18.20 A | | Current at max power | 17.26 A | 17.25 A | | Temperature coefficient | -0.240 %/°C | -0.278 %/°C | | Dimensions | 2384x1303x33 mm | 2384x1303x33 mm | | Module area | 3.106 m² | 3.106 m² | | Weight | 38.3 kg | 38.3 kg | | Weight per kWp | 52.5 kg/kWp | 53.9 kg/kWp | | Product warranty | 12 yrs | 12 yrs | | Performance warranty | 30 yrs | 30 yrs | | Annual degradation | 0.40 %/yr | 0.40 %/yr | | Cell technology | HJT | TOPCon | | Cell type | Monocrystalline | Monocrystalline | | Cell count | 132 | 132 | | Bifacial | Yes | Yes | ## Thirty-year yield Each panel's own declared degradation curve, at 1,200 kWh/kWp a year - **Cumulative output, HSBK-33-730:** 24,493 kWh - **Cumulative output, NSBK-33-710:** 23,822 kWh - **Gap:** 671 kWh ## Output when hot | Condition | Cell temperature | HSBK-33-730 | NSBK-33-710 | Retained | | --- | --- | --- | --- | --- | | Standard test conditions | 25 °C | 730 W | 710 W | 100.0% of rated power | | Cool, bright day | 40 °C | 704 W | 680 W | 95.8% of rated power | | Typical summer roof | 55 °C | 677 W | 651 W | 91.7% of rated power | | Hot roof | 70 °C | 651 W | 621 W | 87.5% of rated power | ## Against the whole database | Measure | HSBK-33-730 | NSBK-33-710 | Out of | Note | | --- | --- | --- | --- | --- | | Efficiency | #749 | #2,591 | 14,129 | HSBK-33-730 leads by 1,842 places | | Power density | #836 | #2,529 | 14,129 | HSBK-33-730 leads by 1,693 places | | Heat behaviour | #13 | #1,333 | 14,129 | HSBK-33-730 leads by 1,320 places | | Weight | #6,040 | #8,201 | 14,129 | HSBK-33-730 leads by 2,161 places | | Warranty | #21 | #21 | 14,129 | Tied - the same position in the database | | Overall | #316 | #869 | 14,129 | HSBK-33-730 leads by 553 places | ## Questions ### Which panel is better: BYD HSBK-33-730 or BYD NSBK-33-710? According to our database: **BYD HSBK-33-730** has higher module efficiency (**23.50%** vs **22.86%**); **BYD HSBK-33-730** tolerates heat better (temp coeff **-0.240%/°C** vs **-0.278%/°C**). See the full spec comparison and 30-year energy simulation above for a complete picture. ### What is the efficiency of BYD HSBK-33-730 and BYD NSBK-33-710? **BYD HSBK-33-730** has a module efficiency of **23.50%**, while **BYD NSBK-33-710** is **22.86%**. Higher efficiency means more electricity from the same roof area - useful when space is limited. ### What cell technology does BYD HSBK-33-730 use vs BYD NSBK-33-710? **BYD HSBK-33-730** uses **HJT** cells; **BYD NSBK-33-710** uses **TOPCon**. Modern **n-type** technologies (**TOPCon**, **HJT**, BC) typically deliver higher efficiency and lower degradation compared to older **PERC** (p-type) cells. ### What is the warranty on BYD HSBK-33-730 and BYD NSBK-33-710? **BYD HSBK-33-730** has a **30 years** power warranty; **BYD NSBK-33-710** has a **30 years** power warranty. The power warranty guarantees a minimum percentage of rated output at the end of the warranty period (typically 80**-87%**). Product (materials) warranties are usually shorter. ### Are BYD HSBK-33-730 and BYD NSBK-33-710 bifacial panels? Both **BYD HSBK-33-730** and **BYD NSBK-33-710** are bifacial - they capture reflected light from the ground, which can add 5**-15%** more annual energy on ground-mount or elevated rooftop installations with a light surface beneath. ## Related comparisons - [BYD HSBK-33-730 vs BYD HSBK-33-735](https://comparepv.com/compare/byd-hsbk-33-730/byd-hsbk-33-735) - The same specification on paper - [BYD HSBK-33-730 vs BYD HSBK-33-725](https://comparepv.com/compare/byd-hsbk-33-730/byd-hsbk-33-725) - The same specification on paper - [BYD HSBK-33-730 vs BYD HSBK-33-720](https://comparepv.com/compare/byd-hsbk-33-730/byd-hsbk-33-720) - 3 differences, the largest is module efficiency - [BYD HSBK-33-730 vs BYD HSBK-33-715](https://comparepv.com/compare/byd-hsbk-33-730/byd-hsbk-33-715) - 3 differences, the largest is module efficiency - [BYD HSBK-33-730 vs BYD HSBK-33-710](https://comparepv.com/compare/byd-hsbk-33-730/byd-hsbk-33-710) - 3 differences, the largest is module efficiency - [BYD HSBK-33-730 vs BYD HSBK-33-705](https://comparepv.com/compare/byd-hsbk-33-730/byd-hsbk-33-705) - 3 differences, the largest is module efficiency --- Source: https://comparepv.com/compare/byd-hsbk-33-730/byd-nsbk-33-710 Not in this file, on the page: the thirty-year yield curve year by year at a cell temperature you pick and a written summary generated on request.