Systems and devices for lawn care

A system for providing outdoor power equipment services, comprising:

• a first piece of outdoor power equipment, the first piece of outdoor power equipment including a removable battery pack and a drive motor powered by the removable battery pack;
• and
• a service vehicle including:
• a loading/unloading ramp;
• a charging bay configured to store the first piece of outdoor power equipment and selectively charge the removable battery pack;
• a spare battery charging station configured to store and selectively charge a spare removable battery pack for the first piece of outdoor power equipment;
• and
• a charging battery system configured to supply power to the charging bay and the spare battery charging station to charge one or more of the removable battery pack or the spare removable battery pack.

Outdoor power equipment comprising:

• a plurality of removable battery packs;
• one or more electric drive motors supplied with electrical power from the plurality of removable battery packs;
• one or more wheels, each selectively driven by one of the one or more electric drive motors;
• an electric blade motor supplied with electrical power from the plurality of removable battery packs;
• a cutting blade driven by the electric blade motor;
• a sensor module including a roll sensor;
• and
• a controller in communication with the one or more electric drive motors, the electric blade motor, and the sensor module, the controller being configured to:
• determine whether a roll angle measured by the roll sensor is greater than a first roll threshold;
• and
• in response to determining that the roll angle is greater than the first roll threshold, instruct the one or more electric drive motors to drive at least two of the one or more wheels at different speeds.