--- title: "Tongwei TWMNH-48HC430 vs Tongwei TWMNH-48HC435 - Solar Panel Comparison | ComparePV" description: "Compare Tongwei TWMNH-48HC430 vs Tongwei TWMNH-48HC435 side by side: what actually differs, output when it is hot, thirty-year production, and the full specification." source: "https://comparepv.com/compare/tongwei-twmnh-48hc430/tongwei-twmnh-48hc435" updated: 2026-09-11 --- # Tongwei TWMNH-48HC430 vs Tongwei TWMNH-48HC435 48HC435 leads on the differences that matter The largest is module efficiency: 0.30 pp more efficient. 18 of 19 comparable parameters are identical. ## The two panels | Attribute | A | B | | --- | --- | --- | | Panel | [Tongwei TWMNH-48HC430](https://comparepv.com/panel/tongwei-twmnh-48hc430) | [Tongwei TWMNH-48HC435](https://comparepv.com/panel/tongwei-twmnh-48hc435) | | Manufacturer | Tongwei | Tongwei | | Power | 430 Wp | 435 Wp | | Efficiency | 21.50 % | 21.80 % | | Technology | TOPCon | TOPCon | ## Where they differ Ranked by how much the difference matters, not by datasheet order. | Parameter | 48HC430 | 48HC435 | Difference | | --- | --- | --- | --- | | Module efficiency | 21.50 % | 21.80 % | +0.30 pp for 48HC435 | ## Every compared parameter | Parameter | 48HC430 | 48HC435 | | --- | --- | --- | | Rated power | 430 Wp | 435 Wp | | Module efficiency | 21.50 % | 21.80 % | | Power density | 215.2 Wp/m² | 217.7 Wp/m² | | Open-circuit voltage | 34.31 V | 34.49 V | | Voltage at max power | 29.36 V | 29.54 V | | Short-circuit current | 15.85 A | 15.90 A | | Current at max power | 14.65 A | 14.73 A | | Temperature coefficient | -0.280 %/°C | -0.280 %/°C | | Dimensions | 1762x1134x30 mm | 1762x1134x30 mm | | Module area | 1.998 m² | 1.998 m² | | Weight | 20.9 kg | 20.9 kg | | Weight per kWp | 48.6 kg/kWp | 48.0 kg/kWp | | Product warranty | 15 yrs | 15 yrs | | Performance warranty | 30 yrs | 30 yrs | | Annual degradation | 0.40 %/yr | 0.40 %/yr | | Cell technology | TOPCon | TOPCon | | Cell type | Monocrystalline | Monocrystalline | | Cell count | 96 | 96 | | Bifacial | Yes | Yes | ## 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, 48HC430:** 14,427 kWh - **Cumulative output, 48HC435:** 14,595 kWh - **Gap:** 168 kWh ## Output when hot | Condition | Cell temperature | 48HC430 | 48HC435 | Retained | | --- | --- | --- | --- | --- | | Standard test conditions | 25 °C | 430 W | 435 W | 100.0% of rated power | | Cool, bright day | 40 °C | 412 W | 417 W | 95.8% of rated power | | Typical summer roof | 55 °C | 394 W | 398 W | 91.6% of rated power | | Hot roof | 70 °C | 376 W | 380 W | 87.4% of rated power | ## Against the whole database | Measure | 48HC430 | 48HC435 | Out of | Note | | --- | --- | --- | --- | --- | | Efficiency | #7,958 | #7,022 | 14,005 | 48HC435 leads by 936 places | | Power density | #7,816 | #7,066 | 14,005 | 48HC435 leads by 750 places | | Heat behaviour | #1,309 | #1,309 | 14,005 | Tied - the same position in the database | | Weight | #2,370 | #2,031 | 14,005 | 48HC435 leads by 339 places | | Warranty | #21 | #21 | 14,005 | Tied - the same position in the database | | Overall | #9,962 | #9,574 | 14,005 | 48HC435 leads by 388 places | ## Questions ### Which panel is better: Tongwei TWMNH-48HC430 or Tongwei TWMNH-48HC435? According to our database: **Tongwei TWMNH-48HC435** has higher module efficiency (**21.80%** vs **21.50%**). See the full spec comparison and 30-year energy simulation above for a complete picture. ### What is the efficiency of Tongwei TWMNH-48HC430 and Tongwei TWMNH-48HC435? **Tongwei TWMNH-48HC430** has a module efficiency of **21.50%**, while **Tongwei TWMNH-48HC435** is **21.80%**. Higher efficiency means more electricity from the same roof area - useful when space is limited. ### What cell technology does Tongwei TWMNH-48HC430 use vs Tongwei TWMNH-48HC435? **Tongwei TWMNH-48HC430** uses **TOPCon** cells; **Tongwei TWMNH-48HC435** 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 Tongwei TWMNH-48HC430 and Tongwei TWMNH-48HC435? **Tongwei TWMNH-48HC430** has a **30 years** power warranty; **Tongwei TWMNH-48HC435** 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 Tongwei TWMNH-48HC430 and Tongwei TWMNH-48HC435 bifacial panels? Both **Tongwei TWMNH-48HC430** and **Tongwei TWMNH-48HC435** 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 - [Tongwei TWMNH-48HC430 vs Tongwei TWMNH-48HC450](https://comparepv.com/compare/tongwei-twmnh-48hc430/tongwei-twmnh-48hc450) - 4 differences, the largest is module efficiency - [Tongwei TWMNH-48HC430 vs Tongwei TWMNH-48HC445](https://comparepv.com/compare/tongwei-twmnh-48hc430/tongwei-twmnh-48hc445) - 3 differences, the largest is module efficiency - [Tongwei TWMNH-48HC430 vs Tongwei TWMNH-48HC440](https://comparepv.com/compare/tongwei-twmnh-48hc430/tongwei-twmnh-48hc440) - 3 differences, the largest is module efficiency - [Tongwei TWMNH-48HC430 vs Tongwei TWMNF-66HD750](https://comparepv.com/compare/tongwei-twmnh-48hc430/tongwei-solar-twmnf-66hd750) - 12 differences, the largest is module efficiency - [Tongwei TWMNH-48HC430 vs Tongwei TWMNF-66HD745](https://comparepv.com/compare/tongwei-twmnh-48hc430/tongwei-solar-twmnf-66hd745) - 12 differences, the largest is module efficiency - [Tongwei TWMNH-48HC430 vs Tongwei TWMNF-66HD740](https://comparepv.com/compare/tongwei-twmnh-48hc430/tongwei-solar-twmnf-66hd740) - 12 differences, the largest is module efficiency --- Source: https://comparepv.com/compare/tongwei-twmnh-48hc430/tongwei-twmnh-48hc435 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.