SPR-A450-COM overview
Rated power
450 watts
Efficiency
22.2
Number of Cells
72
Cell type
Mono-crystalline Silicon
Manufactured
US
SPR-A440-COM overview
Rated power
440 watts
Efficiency
21.7
Number of Cells
72
Cell type
Mono-crystalline Silicon
Manufactured
US
SPR-A430-COM overview
Rated power
430 watts
Efficiency
21.2
Number of Cells
72
Cell type
Mono-crystalline Silicon
Manufactured
US
SPR-A390-G-AC overview
Rated power
390 watts
Efficiency
20.9
Number of Cells
66
Cell type
Mono-crystalline Silicon
Manufactured
US
SPR-A400-G-AC overview
Rated power
400 watts
Efficiency
21.5
Number of Cells
66
Cell type
Mono-crystalline Silicon
Manufactured
US
SPR-A410-G-AC overview
Rated power
410 watts
Efficiency
22
Number of Cells
66
Cell type
Mono-crystalline Silicon
Manufactured
US
SPR A420-G-AC overview
Rated power
420 watts
Efficiency
22.5
Number of Cells
66
Cell type
Mono-crystalline Silicon
Manufactured
US
SUNPOWER SPR-E-FLEX-50 FLEXIBLE 50 WATT overview
Rated power
50 watts
Efficiency
23
Number of Cells
16
Cell type
Mono-crystalline Silicon
Manufactured
FR
SUNPOWER SPR-E-FLEX-100 FLEXIBLE 100 WATT overview
Rated power
100 watts
Efficiency
23
Number of Cells
32
Cell type
Mono-crystalline Silicon
Manufactured
FR
SPR-X22-360 overview
Rated power
360 watts
Efficiency
22.2
Number of Cells
96
Cell type
Monocrystalline
Manufactured
US
SPR-E20-327-COM overview
Rated power
327 watts
Efficiency
20.4
Number of Cells
96
Cell type
Monocrystalline
Manufactured
US
SPR-X21-345-C-AC overview
Rated power
345 watts
Efficiency
21.5
Number of Cells
96
Cell type
Monocrystalline
Manufactured
US
Dan Hahn
January 15, 2021
An overview of flow batteries, including their applications, industry outlook, and comparisons to lithium-ion technology for clean energy storage.
Catherine Lane
January 15, 2021
Tesla’s new solar inverter is pretty standard when it comes to specifications, but it’s potential to drop solar prices is exciting.
Ana Almerini
January 13, 2021
What are solar panels, how do they work? Solar panels use silicon solar cells to convert the sun’s energy into usable electricity through the photovoltaic effect.
Ana Almerini
January 8, 2021
An invention by winner of the James Dyson Sustainability award, Carvey Maigue, uses luminescent particles in food waste to turn UV light into electricity.
Dan Hahn
January 7, 2021
Are Nickel Cadmium (Ni-Cd) batteries the best fit for home solar? We answer this question while explaining this type of battery’s applications and how it works.