--- title: "Leapton LP210*210-M-66-NH-690W vs Leapton LP210*210-M-66-NH-705W - Solar Panel Comparison | ComparePV" description: "Compare Leapton LP210*210-M-66-NH-690W vs Leapton LP210*210-M-66-NH-705W side by side: what actually differs, output when it is hot, thirty-year production, and the full specification." source: "https://comparepv.com/compare/leapton-lp210-210-m-66-nh-690w/leapton-lp210-210-m-66-nh-705w" updated: 2026-09-11 --- # Leapton LP210\*210-M-66-NH-690W vs Leapton LP210\*210-M-66-NH-705W 705W leads on the differences that matter The largest is module efficiency: 0.49 pp more efficient. 16 of 19 comparable parameters are identical. ## The two panels | Attribute | A | B | | --- | --- | --- | | Panel | [Leapton LP210\*210-M-66-NH-690W](https://comparepv.com/panel/leapton-lp210-210-m-66-nh-690w) | [Leapton LP210\*210-M-66-NH-705W](https://comparepv.com/panel/leapton-lp210-210-m-66-nh-705w) | | Manufacturer | Leapton | Leapton | | Power | 690 Wp | 705 Wp | | Efficiency | 22.21 % | 22.70 % | | Technology | TOPCon | TOPCon | ## Where they differ Ranked by how much the difference matters, not by datasheet order. | Parameter | 690W | 705W | Difference | | --- | --- | --- | --- | | Module efficiency | 22.21 % | 22.70 % | +0.49 pp for 705W | | Power density | 222.1 Wp/m² | 227.0 Wp/m² | +4.8 Wp/m² for 705W | | Rated power | 690 Wp | 705 Wp | +15 W for 705W | ## Every compared parameter | Parameter | 690W | 705W | | --- | --- | --- | | Rated power | 690 Wp | 705 Wp | | Module efficiency | 22.21 % | 22.70 % | | Power density | 222.1 Wp/m² | 227.0 Wp/m² | | Open-circuit voltage | 47.80 V | 48.40 V | | Voltage at max power | 39.80 V | 40.40 V | | Short-circuit current | 18.30 A | 18.52 A | | Current at max power | 17.34 A | 17.45 A | | Temperature coefficient | -0.300 %/°C | -0.300 %/°C | | Dimensions | 2384x1303x33 mm | 2384x1303x33 mm | | Module area | 3.106 m² | 3.106 m² | | Weight | 34.0 kg | 34.0 kg | | Weight per kWp | 49.3 kg/kWp | 48.2 kg/kWp | | Product warranty | 25 yrs | 25 yrs | | Performance warranty | 30 yrs | 30 yrs | | Annual degradation | 0.40 %/yr | 0.40 %/yr | | Cell technology | TOPCon | TOPCon | | Cell type | Monocrystalline | Monocrystalline | | Cell count | 132 | 132 | | Bifacial | No | No | ## Thirty-year yield Each panel's own declared degradation curve, at 1,200 kWh/kWp a year Same temp coeff. for both panels (-0.300 %/°C), so a warmer roof scales both curves by the same factor: the totals fall together and neither panel gains on the other. - **Cumulative output, 690W:** 23,151 kWh - **Cumulative output, 705W:** 23,654 kWh - **Gap:** 503 kWh ## Output when hot | Condition | Cell temperature | 690W | 705W | Retained | | --- | --- | --- | --- | --- | | Standard test conditions | 25 °C | 690 W | 705 W | 100.0% of rated power | | Cool, bright day | 40 °C | 659 W | 673 W | 95.5% of rated power | | Typical summer roof | 55 °C | 628 W | 642 W | 91.0% of rated power | | Hot roof | 70 °C | 597 W | 610 W | 86.5% of rated power | ## Against the whole database | Measure | 690W | 705W | Out of | Note | | --- | --- | --- | --- | --- | | Efficiency | #5,754 | #3,307 | 14,005 | 705W leads by 2,447 places | | Power density | #5,734 | #3,361 | 14,005 | 705W leads by 2,373 places | | Heat behaviour | #6,093 | #6,093 | 14,005 | Tied - the same position in the database | | Weight | #2,835 | #2,121 | 14,005 | 705W leads by 714 places | | Warranty | #21 | #21 | 14,005 | Tied - the same position in the database | | Overall | #369 | #165 | 14,005 | 705W leads by 204 places | ## Questions ### Which panel is better: Leapton LP210\*210-M-66-NH-690W or Leapton LP210\*210-M-66-NH-705W? According to our database: **Leapton LP210\*210-M-66-NH-**705 W**** has higher module efficiency (**22.70%** vs **22.21%**). See the full spec comparison and 30-year energy simulation above for a complete picture. ### What is the efficiency of Leapton LP210\*210-M-66-NH-690W and Leapton LP210\*210-M-66-NH-705W? **Leapton LP210\*210-M-66-NH-**690 W**** has a module efficiency of **22.21%**, while **Leapton LP210\*210-M-66-NH-**705 W**** is **22.70%**. Higher efficiency means more electricity from the same roof area - useful when space is limited. ### What cell technology does Leapton LP210\*210-M-66-NH-690W use vs Leapton LP210\*210-M-66-NH-705W? **Leapton LP210\*210-M-66-NH-**690 W**** uses **TOPCon** cells; **Leapton LP210\*210-M-66-NH-**705 W**** 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 Leapton LP210\*210-M-66-NH-690W and Leapton LP210\*210-M-66-NH-705W? **Leapton LP210\*210-M-66-NH-**690 W**** has a **30 years** power warranty; **Leapton LP210\*210-M-66-NH-**705 W**** 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. ## Related comparisons - [Leapton LP210\*210-M-66-NH-690W vs Leapton LP210\*210-M-66-NH-720W](https://comparepv.com/compare/leapton-lp210-210-m-66-nh-690w/leapton-lp210-210-m-66-nh-720w) - 6 differences, the largest is module efficiency - [Leapton LP210\*210-M-66-NH-690W vs Leapton LP210\*210-M-66-NH-715W](https://comparepv.com/compare/leapton-lp210-210-m-66-nh-690w/leapton-lp210-210-m-66-nh-715w) - 5 differences, the largest is module efficiency - [Leapton LP210\*210-M-66-NH-690W vs Leapton LP210\*210-M-66-NH-710W](https://comparepv.com/compare/leapton-lp210-210-m-66-nh-690w/leapton-lp210-210-m-66-nh-710w) - 3 differences, the largest is module efficiency - [Leapton LP210\*210-M-66-NH-690W vs Leapton LP210\*210-M-66-NH-700W](https://comparepv.com/compare/leapton-lp210-210-m-66-nh-690w/leapton-lp210-210-m-66-nh-700w) - 3 differences, the largest is module efficiency - [Leapton LP210\*210-M-66-NH-690W vs Leapton LP210\*210-M-66-NH-695W](https://comparepv.com/compare/leapton-lp210-210-m-66-nh-690w/leapton-lp210-210-m-66-nh-695w) - The same specification on paper - [Leapton LP210\*210-M-66-NH-690W vs Leapton LP210\*210-M-66-NB-720W](https://comparepv.com/compare/leapton-lp210-210-m-66-nh-690w/leapton-lp210-210-m-66-nb-720w) - 8 differences, the largest is module efficiency --- Source: https://comparepv.com/compare/leapton-lp210-210-m-66-nh-690w/leapton-lp210-210-m-66-nh-705w 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.