Solar photovoltaic system controller $ 72.11 Battery capacity: 50 (mAH) Output voltage: 24 (V) Electronic and electrical product type: Silicon series Main features: advanced MPPT maximum power point tracking technology, tracking efficiency is not less than 99.5% Using high-quality components to improve system performance, the maximum conversion efficiency can reach 98% Ultra-fast maximum power point tracking speed, while ensuring tracking efficiency Accurate identification and tracking of multi-peak maximum power point Reliable automatic limitation of maximum PV array input power to ensure no overload under any conditions Wide operating voltage range of PV array maximum power point Using integrated full cast aluminum heat dissipation shell, excellent heat dissipation characteristics Various load control modes: manual mode, light control mode, light control + timing mode and timing mode Four types of battery charging programs: sealed, colloidal, open type and custom are optional With battery temperature compensation function With real-time power statistics and record function