Working with electric vehicles and batteries can be dangerous. Take proper precautions when setting up an electric vehicle or when working with batteries.
Malfunctions regarding operating conditions can occur when working with electric vehicles that can cause them to run. When working with or setting up an electric-powered vehicle, it is highly recommended that you support the vehicle in a safe manner with the drive wheels off the ground or disconnect the motor wires.
Short-circuiting the battery terminals or connections can cause an electric arc. Always disconnect the battery connections when installing or working with high-current vehicle batteries. It is recommended that you use insulated tools and wear safety glasses when working with high-power batteries.
Normal charging and discharging of lead acid batteries produces hydrogen gas, which is extremely flammable and explosive. Follow the battery manufacturer's safety precautions and recommendations when working with lead acid batteries. Always wear safety glasses.