This product is designed to be used with AA sized batteries.
"An AA cell measures 49.2–50.5 mm (1.94–1.99 in) in length, including the button terminal—and 13.5–14.5 mm (0.53–0.57 in) in diameter. The positive terminal button should be a minimum 1 mm high and a maximum 5.5 mm in diameter, the flat negative terminal should be a minimum diameter of 7 mm."
Our favourite way to power our robots is using AA batteries. They're readily available and pose a lower risk of fire compared to Lithium based batteries, especially when learning about robotics.
To secure your batteries you need a good holder, and we have sizes from 2AA to 10AA to provide the right power for your projects.
This 2x AA holder is good for 2.4 V with rechargeables or 3 V with alkalines.
Each holder comes with a PP3 style connector (the same as on a 9V battery).
To use this holder you will probably need a 9v (PP3) style connection cable, which is not included. If you are going to draw a large amount of current, for example powering motors, we recommend using the 9V High Quality Connector.
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