This intelligent solar charges controller adopts industrial-grade main chip, intelligent control, support 12 V and 24 V automatic identification. 3-stage charging management design, suitable for a variety of batteries, suitable for leadacid batteries, lithium iron phosphate batteries, ternary lithium batteries, etc.. Multiple usage scenarios and wide applications, suitable for villas, outdoor RVs, solar power systems, yachts and ships, solar billboards, solar street lights, etc. Specifications: Name: Solar Charges Controller Material: plastics Type: 10A, 20A, 30A, 40A, 50A, 60A (optional) USB output: Max 5V, 2A Working temperature: -20 to 50 Package size: 10-30A: 135 * 170 * 70mm / 5.31 * 6.69 * 2.76in 40-60A: 155 * 197 * 90mm / 5.31 * 7.76 * 3.54in Package weight: 10-30A: 650g / 1.43lb 40-60A: 1200g / 2.65lb Packing List: 1 * Solar Charges Controller