410 W panel for your own electricity production, with 21,0% efficiency over 1,95 m2 and a 25 year warranty on both the product and the performance.
This is a classic solar panel, from the category used on most houses: it captures light, turns it into direct current and sends it on to the inverter. The cells are of the PERC type, the established technology of recent years, cut in half to reduce the energy losses inside the panel. The two halves work in parallel, so a shadow falling on the bottom row does not completely stop the top part as well.
One panel gives 410 W under standard conditions, so ten pieces mean 4,1 kW of installed power over about 19,5 m2 of roof. The surface of one panel is 1,95 m2, and the efficiency of 21,0% shows how much of the light falling on it is effectively turned into current. When it heats up, the panel loses 0,341% of its power for each degree above the reference, and the usual working temperature on the roof is around 45 degrees C (NOCT) - normal behaviour for this class. The manufacturer grants a 25 year product warranty and a 25 year linear performance warranty, and maintenance is limited to periodic checks and cleaning. The version with a black frame and a white backsheet suits roofs where appearance also matters.
STC: 410 Wp, Vmp 31,30 V, Imp 13,10 A, Voc 37,79 V, Isc 13,81 A; coefficients -0,341 %/degree C (Pmax) and -0,262 %/degree C (Voc), NOCT 45 degrees C, maximum string fuse 25 A. Laminate with 108 half-cells 6x18 from M10 wafer (182 mm), overall size 1722 x 1134 x 30 mm - compatible with mounting systems using clamps for a 30-35 mm frame. It is sized for the usual string inverters, with an MPPT start-up voltage below 120 V, checking Voc at the minimum temperature of the site.
Suitable for a house or an SME that wants a self-consumption installation on a controlled budget, on a roof with no special space constraints.
| Rated power (STC) | 410 Wp |
|---|---|
| Module efficiency | 21,0% |
| Vmp / Imp | 31,30 V / 13,10 A |
| Voc / Isc | 37,79 V / 13,81 A |
| Cell technology | monocristalin PERC tip P, 108 semi-celule (6x18), format M10 |
| Dimensions | 1722 x 1134 x 30 mm |
| NOCT | 45 grade C |
| Pmax temperature coefficient | -0,341 %/grad C |
| Voc temperature coefficient | -0,262 %/grad C |
| Maximum string fuse | 25 A |
25 year product warranty and 25 year linear performance warranty
Series-level specifications — valid for the product family
TW410MAP-M10-108-H belongs to the Tongwei TW400-420MAP M10-108-H series, built on monocrystalline PERC cells in M10 format (182 mm), cut in half and arranged in 108 half-cells (6x18). Cutting the cells reduces the current through each half of the laminate and thus the resistive losses, and the two sections connected in parallel limit the losses under partial shading on the bottom row.
At STC the module delivers 410 Wp, with Vmp 31,30 V, Imp 13,10 A, Voc 37,79 V and Isc 13,81 A, which corresponds to a module efficiency of 21,0% over a surface of 1,95 m2. The nominal operating cell temperature (NOCT) is 45 degrees C, the power temperature coefficient is -0,341 %/degree C, and the open circuit voltage one -0,262 %/degree C - usual values for P type PERC technology.
With 1722 x 1134 mm and a 30 mm frame, the module fits the standard size of 108 half-cell panels, being compatible with most mounting systems using clamps for a 30-35 mm frame and with the usual string inverters (MPPT with a start-up voltage below 120 V). The maximum string fuse is 25 A. The model is available in the version with a black frame and a white backsheet.
More energy from the same roof area: 600 W from a single module, at 23.2% efficiency, with the contacts moved to the back for a fully active front face.
Fewer parts and faster installation for the same power: 615 W per module, at 23.8% efficiency, in a panel of 27 kg and 2278x1134x30 mm.
455 W and 22.8% efficiency in a 21.5 kg panel, with cells without metal contacts on the front and low losses in heat.
The front of the panel has no metal stripes: 450 W, 22,6% efficiency and only 21,5 kg, with good behaviour under partial shading.
