--- title: "Tongwei TWMNH-48HW455 vs Tongwei TWMNH-48HW465 - Solar Panel Comparison | ComparePV" description: "Compare Tongwei TWMNH-48HW455 vs Tongwei TWMNH-48HW465 side by side: what actually differs, output when it is hot, thirty-year production, and the full specification." source: "https://comparepv.com/compare/tongwei-solar-twmnh-48hw455/tongwei-solar-twmnh-48hw465" updated: 2026-09-11 --- # Tongwei TWMNH-48HW455 vs Tongwei TWMNH-48HW465 48HW465 leads on the differences that matter The largest is module efficiency: 0.50 pp more efficient. 16 of 19 comparable parameters are identical. ## The two panels | Attribute | A | B | | --- | --- | --- | | Panel | [Tongwei TWMNH-48HW455](https://comparepv.com/panel/tongwei-solar-twmnh-48hw455) | [Tongwei TWMNH-48HW465](https://comparepv.com/panel/tongwei-solar-twmnh-48hw465) | | Manufacturer | Tongwei | Tongwei | | Power | 455 Wp | 465 Wp | | Efficiency | 22.80 % | 23.30 % | | Technology | N-type | N-type | ## Where they differ Ranked by how much the difference matters, not by datasheet order. | Parameter | 48HW455 | 48HW465 | Difference | | --- | --- | --- | --- | | Module efficiency | 22.80 % | 23.30 % | +0.50 pp for 48HW465 | | Power density | 227.7 Wp/m² | 232.7 Wp/m² | +5.0 Wp/m² for 48HW465 | | Rated power | 455 Wp | 465 Wp | +10 W for 48HW465 | ## Every compared parameter | Parameter | 48HW455 | 48HW465 | | --- | --- | --- | | Rated power | 455 Wp | 465 Wp | | Module efficiency | 22.80 % | 23.30 % | | Power density | 227.7 Wp/m² | 232.7 Wp/m² | | Open-circuit voltage | 36.10 V | 36.40 V | | Voltage at max power | 30.06 V | 30.56 V | | Short-circuit current | 15.85 A | 15.92 A | | Current at max power | 15.14 A | 15.22 A | | Temperature coefficient | -0.280 %/°C | -0.280 %/°C | | Dimensions | 1762x1134x30 mm | 1762x1134x30 mm | | Module area | 1.998 m² | 1.998 m² | | Weight | 23.7 kg | 23.7 kg | | Weight per kWp | 52.1 kg/kWp | 51.0 kg/kWp | | Product warranty | 15 yrs | 15 yrs | | Performance warranty | 30 yrs | 30 yrs | | Annual degradation | 0.40 %/yr | 0.40 %/yr | | Cell technology | N-type | N-type | | Cell type | Monocrystalline | Monocrystalline | | Cell count | 96 | 96 | | 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 (-0.280 %/°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, 48HW455:** 15,266 kWh - **Cumulative output, 48HW465:** 15,602 kWh - **Gap:** 336 kWh ## Output when hot | Condition | Cell temperature | 48HW455 | 48HW465 | Retained | | --- | --- | --- | --- | --- | | Standard test conditions | 25 °C | 455 W | 465 W | 100.0% of rated power | | Cool, bright day | 40 °C | 436 W | 445 W | 95.8% of rated power | | Typical summer roof | 55 °C | 417 W | 426 W | 91.6% of rated power | | Hot roof | 70 °C | 398 W | 406 W | 87.4% of rated power | ## Against the whole database | Measure | 48HW455 | 48HW465 | Out of | Note | | --- | --- | --- | --- | --- | | Efficiency | #2,714 | #1,017 | 14,005 | 48HW465 leads by 1,697 places | | Power density | #2,888 | #1,115 | 14,005 | 48HW465 leads by 1,773 places | | Heat behaviour | #1,309 | #1,309 | 14,005 | Tied - the same position in the database | | Weight | #5,533 | #4,332 | 14,005 | 48HW465 leads by 1,201 places | | Warranty | #21 | #21 | 14,005 | Tied - the same position in the database | | Overall | #7,890 | #6,846 | 14,005 | 48HW465 leads by 1,044 places | ## Questions ### Which panel is better: Tongwei TWMNH-48HW455 or Tongwei TWMNH-48HW465? According to our database: **Tongwei TWMNH-48HW465** has higher module efficiency (**23.30%** vs **22.80%**). See the full spec comparison and 30-year energy simulation above for a complete picture. ### What is the efficiency of Tongwei TWMNH-48HW455 and Tongwei TWMNH-48HW465? **Tongwei TWMNH-48HW455** has a module efficiency of **22.80%**, while **Tongwei TWMNH-48HW465** is **23.30%**. Higher efficiency means more electricity from the same roof area - useful when space is limited. ### What cell technology does Tongwei TWMNH-48HW455 use vs Tongwei TWMNH-48HW465? **Tongwei TWMNH-48HW455** uses **N-type** cells; **Tongwei TWMNH-48HW465** uses **N-type**. 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 Tongwei TWMNH-48HW455 and Tongwei TWMNH-48HW465? **Tongwei TWMNH-48HW455** has a **30 years** power warranty; **Tongwei TWMNH-48HW465** 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 - [Tongwei TWMNH-48HW455 vs Tongwei TWMNH-48HW475](https://comparepv.com/compare/tongwei-solar-twmnh-48hw455/tongwei-solar-twmnh-48hw475) - 4 differences, the largest is module efficiency - [Tongwei TWMNH-48HW455 vs Tongwei TWMNH-48HW470](https://comparepv.com/compare/tongwei-solar-twmnh-48hw455/tongwei-solar-twmnh-48hw470) - 3 differences, the largest is module efficiency - [Tongwei TWMNH-48HW455 vs Tongwei TWMNH-48HW460](https://comparepv.com/compare/tongwei-solar-twmnh-48hw455/tongwei-solar-twmnh-48hw460) - One difference: module efficiency - [Tongwei TWMNH-48HW455 vs Tongwei TWMNF-66HD750](https://comparepv.com/compare/tongwei-solar-twmnh-48hw455/tongwei-solar-twmnf-66hd750) - 15 differences, the largest is module efficiency - [Tongwei TWMNH-48HW455 vs Tongwei TWMNF-66HD745](https://comparepv.com/compare/tongwei-solar-twmnh-48hw455/tongwei-solar-twmnf-66hd745) - 15 differences, the largest is module efficiency - [Tongwei TWMNH-48HW455 vs Tongwei TWMNF-66HD740](https://comparepv.com/compare/tongwei-solar-twmnh-48hw455/tongwei-solar-twmnf-66hd740) - 14 differences, the largest is module efficiency --- Source: https://comparepv.com/compare/tongwei-solar-twmnh-48hw455/tongwei-solar-twmnh-48hw465 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.