Garden tools

A garden tool, comprising:

• a power assembly including an internal combustion engine having a starter motor;
• a battery pack for supplying power to the starter motor;
• a connecting rod assembly having two ends;
• a working head assembly, the working head assembly and the power assembly being respectively arranged at the two ends of the connecting rod assembly;
• a handle assembly including two handles, one of the handles being on a left side of the connecting rod assembly and another of the handles being on a right side of the connecting rod assembly, at least one of the handles including a grip portion and a battery pack mounting portion, the battery pack being detachably connected to the battery pack mounting portion;
• an accommodating chamber defined by the battery pack mounting portion, the battery pack being mounted on the battery pack mounting portion by being at least partially received in the accommodating chamber, the accommodating chamber defining an opening facing forward;
• and
• a circuit board disposed adjacent to the accommodating chamber, the circuit board including a substrate and an electrode holder disposed on a side of the substrate facing the accommodating chamber, the electrode holder including a clamping pin extending into the accommodating chamber.