新西兰采购需求：太阳能灯，太阳能庭院灯，太阳能泛光灯，太阳能路灯，太阳能灯，户外太阳能灯

I'm interested in exploring solar power solutions specifically designed for off-grid use in caravans. I'm looking for systems that can efficiently pick up sunlight and provide a reliable power source for 24/7 operations. Could you share details about any relevant products you offer? I'm particularly keen on understanding their capacity, installation requirements, and any additional features that might suit a caravan setup. Looking forward to your response!