Pick a strong outdoor battery cabinet to shield batteries from bad weather. This helps your solar system work better and stay safe longer. Picking a cabinet with UL 9540. When selecting a battery cabinet for solar system installations, prioritize fire-rated enclosures with proper ventilation, temperature control, and compliance with local electrical codes such as NEC Article 480 1. Speaking of which, Zhejiang Paidu New Energy Co., has been in the game since 2003 under the name 'PaiduSolar.