--- title: "Avaada AVN66G12G vs Avaada AVN66G12TB - Solar Panel Comparison | ComparePV" description: "Compare Avaada AVN66G12G vs Avaada AVN66G12TB side by side: what actually differs, output when it is hot, thirty-year production, and the full specification." source: "https://comparepv.com/compare/avaada-avn66g12g/avaada-avn66g12tb" updated: 2026-09-13 --- # Avaada AVN66G12G vs Avaada AVN66G12TB Identical on every published parameter All 19 comparable parameters agree. Two records this alike are usually one panel sold under two names, or two bins of the same production line - decide on price and on who you would rather buy from. ## The two panels | Attribute | A | B | | --- | --- | --- | | Panel | [Avaada AVN66G12G](https://comparepv.com/panel/avaada-avn66g12g) | [Avaada AVN66G12TB](https://comparepv.com/panel/avaada-avn66g12tb) | | Manufacturer | Avaada | Avaada | | Power | 720 Wp | 720 Wp | | Efficiency | 23.18 % | 23.18 % | | Technology | TOPCon | TOPCon | ## Every compared parameter | Parameter | AVN66G12G | AVN66G12TB | | --- | --- | --- | | Rated power | 720 Wp | 720 Wp | | Module efficiency | 23.18 % | 23.18 % | | Power density | 231.8 Wp/m² | 231.8 Wp/m² | | Open-circuit voltage | 49.00 V | 49.00 V | | Voltage at max power | 41.30 V | 41.30 V | | Short-circuit current | 18.48 A | 18.48 A | | Current at max power | 17.43 A | 17.43 A | | Temperature coefficient | -0.300 %/°C | -0.300 %/°C | | Dimensions | 2384x1303x35 mm | 2384x1303x35 mm | | Module area | 3.106 m² | 3.106 m² | | Weight | 38.0 kg | 38.0 kg | | Weight per kWp | 52.8 kg/kWp | 52.8 kg/kWp | | Product warranty | 12 yrs | 12 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 | 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 (-0.300 %/°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, AVN66G12G:** 24,157 kWh - **Cumulative output, AVN66G12TB:** 24,157 kWh - **Gap:** No difference ## Output when hot | Condition | Cell temperature | AVN66G12G | AVN66G12TB | Retained | | --- | --- | --- | --- | --- | | Standard test conditions | 25 °C | 720 W | 720 W | 100.0% of rated power | | Cool, bright day | 40 °C | 688 W | 688 W | 95.5% of rated power | | Typical summer roof | 55 °C | 655 W | 655 W | 91.0% of rated power | | Hot roof | 70 °C | 623 W | 623 W | 86.5% of rated power | ## Against the whole database | Measure | AVN66G12G | AVN66G12TB | Out of | Note | | --- | --- | --- | --- | --- | | Efficiency | #1,424 | #1,424 | 14,005 | Tied - the same position in the database | | Power density | #1,347 | #1,347 | 14,005 | Tied - the same position in the database | | Heat behaviour | #6,093 | #6,093 | 14,005 | Tied - the same position in the database | | Weight | #6,459 | #6,459 | 14,005 | Tied - the same position in the database | | Warranty | #21 | #21 | 14,005 | Tied - the same position in the database | | Overall | #540 | #540 | 14,005 | Tied - the same position in the database | ## Questions ### Which panel is better: Avaada AVN66G12G or Avaada AVN66G12TB? According to our database: both panels are closely matched on key specs - the decision often comes down to price and local availability. See the full spec comparison and 30-year energy simulation above for a complete picture. ### What is the efficiency of Avaada AVN66G12G and Avaada AVN66G12TB? **Avaada AVN66G12G** has a module efficiency of **23.18%**, while **Avaada AVN66G12TB** is **23.18%**. Higher efficiency means more electricity from the same roof area - useful when space is limited. ### What cell technology does Avaada AVN66G12G use vs Avaada AVN66G12TB? **Avaada AVN66G12G** uses **TOPCon** cells; **Avaada AVN66G12TB** 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 Avaada AVN66G12G and Avaada AVN66G12TB? **Avaada AVN66G12G** has a **30 years** power warranty; **Avaada AVN66G12TB** 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 Avaada AVN66G12G and Avaada AVN66G12TB bifacial panels? Both **Avaada AVN66G12G** and **Avaada AVN66G12TB** 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 - [Avaada AVN66G12G vs Avaada AVN66G12RG-630](https://comparepv.com/compare/avaada-avn66g12g/avaada-avn66g12rg-630) - 6 differences, the largest is rated power - [Avaada AVN66G12G vs Avaada AVN66G12RTB](https://comparepv.com/compare/avaada-avn66g12g/avaada-avn66g12rtb) - 6 differences, the largest is rated power - [Avaada AVN66G12G vs Avaada AVN66G12RG-625](https://comparepv.com/compare/avaada-avn66g12g/avaada-avn66g12rg-625) - 6 differences, the largest is rated power - [Avaada AVN66G12G vs Avaada AVN66G12RG-620](https://comparepv.com/compare/avaada-avn66g12g/avaada-avn66g12rg-620) - 7 differences, the largest is rated power - [Avaada AVN66G12G vs Avaada AVN66G12RG-615](https://comparepv.com/compare/avaada-avn66g12g/avaada-avn66g12rg-615) - 10 differences, the largest is rated power - [Avaada AVN66G12G vs Avaada AVN66G12RG-610](https://comparepv.com/compare/avaada-avn66g12g/avaada-avn66g12rg-610) - 10 differences, the largest is rated power --- Source: https://comparepv.com/compare/avaada-avn66g12g/avaada-avn66g12tb 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.