Your multimeter comes with two insulated probes. You'll need to connect them to the right ports (terminals) on the device depending on what you'd like to measure.
Use your multimeter to test old batteries for signs of life. The black probe goes on the negative side (flat end) while the red probe touches the positive (raised bump) end.
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Discuss: Put your multimeter to work at home
Be respectful, keep it civil and stay on topic. We delete comments that violate our policy, which we encourage you to read. Discussion threads can be closed at any time at our discretion.