Longi has announced it will move from a 15 to 25 year product warranty on its rooftop Hi-MO 5m modules in Australia. The move brings its product and performance warranties into line at 25 years and follows a much broader trend of ballooning solar warranties.
The product warranty increase applies to the Longi module types:
- LR5-54HPH-xxxM (54-cell Series)
- LR5-54HPB-xxxM (54-cell Series)
This series was designed mainly for residential and C&I rooftop systems, producing a maximum power output of 415 Watts with an efficiency of 21.25%. The modules use P-type technology, which Longi remains loyal to amid a migration towards N-type technology among its peers.
Brett Robinson, national sales manager at Longi Solar Australia, told pv magazine Australia during the 2022 All-Energy conference in Melbourne that Longi has chosen to stand by P-type as it believes this path holds more ultimate value for the customer.
That is, while N-type is considered to have a superiorities in terms of its wafer, the cells are harder to produce and those benefits are outweighed by the added costs.
Robinson said of the warranty boost: “We want to make sure that our products and our warranties are clear evidence of the strong R&D support our operation has.”
Growing solar warranties hold an uneasy position in the minds of some installers though, who claim they are a marketing function for manufacturers and it is ultimately them – the installers – who take the fall when products have problems.
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