When selecting an electric tractor, the most critical component is the Lithium Iron Phosphate (LiFePO4) battery capacity, which determines the operational runtime. You should prioritize models with a battery life of at least 6-8 hours on a single charge. Additionally, evaluate the rated power (kW) and torque, ensuring the electric motor provides equivalent performance to traditional diesel engines for your specific soil type. Look for fast-charging capabilities (0-80% in under 2 hours) to minimize downtime during peak agricultural seasons.