Light for its output, weak in heat
The Renesola 210M Split Cell series, with a power output of 180W-200W, is designed for maximum operational stability under real-world conditions, from extreme heat to intermittent shading. The use of split cell technology minimizes internal resistance losses and reduces the risk of overheating, resulting in more predictable energy yields throughout the year. The modules utilize a multi-busbar architecture, which improves current collection from the cell and better handles micro-cracks that may occur during transport or installation. In practice, this means greater resistance to power drops over a longer period.
The EL tests performed before and after lamination also deserve attention, as they help identify defects that are not visible to the naked eye. Additionally, the anti-PID protection is particularly important in installations operating in humid conditions or at higher system voltages. This makes it a good choice for homes, patios, RVs, off-grid installations, and small commercial systems, where reliability, compact size, and ease of installation are key.
Ranking
Signals from the data
Residential, off-grid, shaded-installations and commercial.
Hot climates.
Top 3% of the TOPCon 100-300 W segment, against a median of 69.5. Ranked 6,043rd in the whole database.
Top 11% of the TOPCon 100-300 W segment, against a median of 15.69%.
Top 11% of the TOPCon 100-300 W segment, against a median of 156.7.
Bottom 17% of the TOPCon 100-300 W segment, against a median of -0.290.
Using TOPCon instead of legacy PERC delivers efficiency up to 20.16% - identical to the direct peer Isola New Energy (210M Split Cell, 20.16%) and significantly higher than RMCIP's RZMP-220-T (12.4%).
Renesola offers 30 years of both product and power output warranty - well beyond the market-standard 12/25 years, positioning the series in the premium tier for project bankability.
Split-cell (half-cut) design lowers internal resistive losses, while the multi-busbar interconnection architecture improves current collection and increases resistance to microcracks caused during transport or installation, resulting in more stable long-term yield.
Dual electroluminescence (EL) testing before and after lamination catches defects invisible to the naked eye, and built-in anti-PID protection guards against potential-induced degradation in humid installations or higher system voltages.
Renesola has operated in the PV market since 2005 and appeared on BloombergNEF's Tier 1 list across multiple recent quarters (Q1-Q2 2026), confirming mature manufacturing processes and a track record of financial credibility.
Renesola did not appear on the BloombergNEF Tier 1 list for Q3 2026 (after being listed in Q1 and Q2 2026), which under BNEF's methodology signals a failure to meet financial or documentary criteria - worth verifying the manufacturer's current financial standing before a large order.
Peak efficiency of 20.16% trails Gamko New Energy's GKA182M (23%) within the same sub-200 Wp power class, meaning lower power density per m² and potentially more roof area needed for the same target system capacity.
The series is monofacial only (is_bifacial: false), forgoing the extra rear-side yield (typically 5-15% depending on ground albedo) that competing bifacial modules in the same power class can capture.
- At 20.2% efficiency, this panel is 4.2pp above typical TOPCon 0-400W modules (median: 16.0%)
- At 201.6 W/m² power density, this panel generates 41.8 W/m² more per unit area than TOPCon 0-400W median (159.8 W/m²)
- -0.34%/°C temperature coefficient - 0.05pp worse than TOPCon 0-400W median (-0.29%/°C), expect higher hot weather losses
- At 10.5 kg, this panel is 13.0 kg lighter than TOPCon 0-400W median (23.5 kg) - easier handling during installation
- In the top 86% for efficiency among all TOPCon panels
Specifications
Simulations
Degradation from this panel's own datasheet figures. No inverter, soiling or shading losses.
Found 64 panels of the same or similar size to this one, within ±10 mm. See them here Found 94 panels of the same or similar size to this one, within ±25 mm. See them here Found 94 panels of the same or similar size to this one, within ±50 mm. See them here Found 118 panels of the same or similar size to this one, within ±100 mm. See them here