Guangdong Penel Optoelectronics Technology Co., LTD
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This series has 2 models : SST-50-09 (smaller size) and SST-100-09 (bigger size) .
Both configurations (A and B ) are very cost-effective , affordable , with the best balance on performance and cost , with Monocrystalline silicon solar panel and LiFePo4 battery pack.
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