--- title: "Techwise Solar TW-555HC 555W Solar Panel - Specs & Review | ComparePV" description: "Techwise Solar TW-555HC 555W solar panel. Specs: 21.48% efficiency, Monocrystalline cells, dimensions, warranty and temperature coefficient." source: "https://comparepv.com/panel/techwise-solar-tw-555hc" updated: 2026-09-11 --- # Techwise Solar TW-555HC Warranty pick, no clear weak spot 589 panels in the segment PERC 550-600 W ## Identity - **Manufacturer:** Techwise Solar - **Model:** TW-555HC - **Series:** Sun-Pursuit Series - **Rated power:** 555 W - **Cell technology:** PERC - **Bifacial:** yes ## How it compares Compared against segment PERC 550-600 W (589 panels). | Measure | This panel | Segment median | Standing | Rank | | --- | --- | --- | --- | --- | | Power (Wp) | 555 W | 560 W | Typical | | | Module efficiency | 21.48% | 21.29% | Typical | 8,152 | | Power density | 214.8 | 212.9 | Typical | 8,148 | | Temperature coefficient | -0.350 | -0.350 | Typical | 10,419 | | Weight (kg) | 31.0 kg | 30.8 kg | Typical | | | Performance warranty | 30 yrs | 27 yrs | Strong - top 25% | 21 | ### Full peer table | Measure | This panel | Segment median | Standing | Rank | | --- | --- | --- | --- | --- | | Module efficiency | 21.48% | 21.29% | Typical | 8,152 | | Power density | 214.8 | 212.9 | Typical | 8,148 | | Temperature coefficient | -0.350 | -0.350 | Typical | 10,419 | | Weight per kWp | 55.9 | 52.7 | Typical | 10,236 | | Performance warranty | 30 yrs | 27 yrs | Strong - top 25% | 21 | ### Strengths - **30 year performance warranty** - Top 25% of the PERC 550-600 W segment, against a median of 27 yrs. - **Best for:** Residential, commercial and shaded-installations. ## Specification ### Electrical - **Rated power (Pmax):** 555 W - **Efficiency:** 21.48 % - **Voltage at Pmax (Vmp):** 42.57 V - **Current at Pmax (Imp):** 13.02 A - **Open-circuit voltage (Voc):** 50.45 V - **Short-circuit current (Isc):** 13.74 A - **Max system voltage:** 1500 V ### Temperature - **Temperature coefficient of Pmax:** -0.350 %/degC - **Temperature coefficient of Voc:** -0.275 %/degC - **Temperature coefficient of Isc:** 0.050 %/degC - **NOCT:** 44 degC ### Cell and construction - **Cell type:** Monocrystalline - **Cell technology:** PERC - **Cell count:** 144 - **Bifacial:** yes - **Bifacial gain:** 25.00 ### Physical - **Length:** 2279 mm - **Width:** 1134 mm - **Thickness:** 35 mm - **Weight:** 31.0 kg - **Area:** 2.58 m2 - **Power density:** 214.8 Wp/m2 ### Warranty and degradation - **Product warranty:** 15 years - **Performance warranty:** 30 years - **Output guaranteed at end of warranty:** 87.4 % - **Output after 30 years:** 485 W ## Rank in the whole catalogue | Measure | Position | | --- | --- | | Efficiency | 8152 of 14005 | | Power density | 8148 of 14005 | | Temperature coefficient | 10419 of 14005 | | Weight | 10236 of 14005 | | Warranty | 21 of 14005 | ## About this series The Techwise Solar Sun-Pursuit series consists of monocrystalline modules designed for stable operation in real rooftop and ground-mounted conditions. The use of **half-cut cells** helps minimize losses due to partial shading and minor damage, resulting in more predictable annual energy yields. In practice, this makes it a good choice where resilience to harsh operating conditions is important - from high temperatures to variable mechanical loads. A key feature of the series is the **multi-busbar architecture**, which supports more efficient current collection and better module performance in low-light conditions. For investors who value aesthetics, **FULL BLACK** variants are available, particularly desirable on residential and modern commercial rooftops. The Sun-Pursuit is suitable for prosumer installations, warehouses and halls, as well as larger projects where **parameter consistency and easy integration** with popular inverters and mounting systems are important. ## Notable figures - Efficiency of 21.5% matches the \*\*PERC 550-600W\*\* median - At 214.8 W/m² power density, roof space requirements are typical for \*\*PERC 550-600W\*\* panels - Temperature coefficient of -0.35%/°C matches the \*\*PERC 550-600W\*\* median - Ranked #8152 out of 14005 panels for efficiency in the database ## Questions ### What is the warranty on Techwise Solar Sun-Pursuit panels? The Sun-Pursuit series comes with a 15-year product warranty and a 30-year linear power output warranty. This covers both manufacturing defects and the gradual decline in power output over time, matching the standard offered by leading manufacturers in the solar market. ### How do half-cut cells in the Sun-Pursuit panels differ from standard full-size cells? Half-cut PERC cells are cut in half, which reduces current losses under partial shading and makes microcracks less likely to cause permanent power loss. In practice, the panel performs more consistently when part of the module is shaded by leaves, a chimney, or clouds, resulting in higher real-world annual energy yield. ### What is the maximum power output of the Sun-Pursuit series panels? The flagship variant of the series reaches a maximum power output of 560 Wp. This is a high value for a monocrystalline PERC module, allowing fewer panels to be used to reach a target system size and reducing installation and cabling costs per kilowatt of capacity. ### Is the Sun-Pursuit series available in Full Black for residential rooftops? Yes, the series offers FULL BLACK variants, which are particularly popular on sloped residential rooftops due to their uniform, aesthetic appearance without a visible white frame or backsheet. This variant is also well-suited for modern commercial buildings where facade appearance matters. ### What is multi-busbar architecture and is it worth choosing? Multi-busbar is a design with a higher number of thin conductive pathways on the cell surface, which shortens the current path and reduces resistive losses compared to conventional 3-4 busbar layouts. In Sun-Pursuit panels, this improves performance in low-light conditions, such as early morning, evening, or overcast days, meaningfully increasing annual energy yield. ### Are Sun-Pursuit panels suitable for warehouse or industrial hall installations? Yes, the series is designed for both residential prosumer installations and larger commercial projects on warehouse and industrial hall roofs. Consistent electrical parameters across the series make it easy to combine multiple modules into a single string without mismatch risk, and the panels integrate well with popular inverters and standard mounting systems used on flat and trapezoidal roofs. ## Datasheet [Manufacturer datasheet (PDF)](https://comparepv.com/datasheets/tw-560hc-en-4f5422217f27.pdf) ## Alternatives | Panel | Power | How it differs | | --- | --- | --- | | [Longi Solar LR7-54HJD-510M](https://comparepv.com/panel/longi-lr7-54hjd-510m) | 510 W | Cooler, lighter, +3.5 pp | | [Longi Solar LR7-60HVH-560M](https://comparepv.com/panel/longi-lr7-60hvh-560m) | 560 W | Cooler, lighter, +3.3 pp | | [Longi Solar LR7-54HJD-505M](https://comparepv.com/panel/longi-lr7-54hjd-505m) | 505 W | Cooler, lighter, +3.2 pp | | [Longi Solar LR7-60HVH-555M](https://comparepv.com/panel/longi-lr7-60hvh-555m) | 555 W | Cooler, lighter, +3.1 pp | | [Longi Solar LR7-60HVHL-550M](https://comparepv.com/panel/longi-lr7-60hvhl-550m) | 550 W | Cooler, lighter, +2.9 pp | | [JA Solar JAT60S40-540/LR](https://comparepv.com/panel/ja-solar-jat60s40-540-lr) | 540 W | Cooler, lighter, +2.9 pp | | [Techwise Solar TW-530HT](https://comparepv.com/panel/techwise-solar-tw-530ht) | 530 W | Lighter, -1.0 pp, -5 yr warranty | | [Techwise Solar TW-535HT](https://comparepv.com/panel/techwise-solar-tw-535ht) | 535 W | Lighter, -0.8 pp, -5 yr warranty | | [Techwise Solar TW-560HC-540W](https://comparepv.com/panel/techwise-solar-tw-560hc-540w) | 540 W | -15 W, heavier, -1.4 pp | | [Techwise Solar TW-545HT](https://comparepv.com/panel/techwise-solar-tw-545ht) | 545 W | Lighter, -0.4 pp, -5 yr warranty | | [Techwise Solar TW-550HT](https://comparepv.com/panel/techwise-solar-tw-550ht) | 550 W | Lighter, -5 yr warranty | | [AIKO AIKO-A650-MAE72Mw](https://comparepv.com/panel/aiko-aiko-a650-mae72mw) | 650 W | +95 W, cooler, +3.7 pp | | [AIKO AIKO-A645-MAE72Mw](https://comparepv.com/panel/aiko-aiko-a645-mae72mw) | 645 W | +90 W, cooler, +3.5 pp | | [AIKO AIKO-A640-MAE72Mw](https://comparepv.com/panel/aiko-aiko-a640-mae72mw) | 640 W | +85 W, cooler, +3.3 pp | | [AIKO AIKO-A635-MAE72Mw](https://comparepv.com/panel/aiko-aiko-a635-mae72mw) | 635 W | +80 W, cooler, +3.1 pp | | [AIKO AIKO-A630-MAH72Dw](https://comparepv.com/panel/aiko-aiko-a630-mah72dw) | 630 W | +75 W, cooler, +2.9 pp | --- Source: https://comparepv.com/panel/techwise-solar-tw-555hc Not in this file, on the page: a thirty-year output simulator, a bifacial gain calculator and alternatives filtered by how closely they match these dimensions.