About this item

• [Usage] Allows one or more batteries to stay firm to power each circuit. The total number of batteries determines the desired total voltage. Ideal for powering all kinds of electrical or electronic equipment and testing on protoboard boards as it can be easily connected.
• Features: For 1 x CR2012, CR2016, CR2020, CR2025, CR2032 button cell with 3 V each | Total voltage: 3 V (3 V per battery) | Battery holder size: 20 mm diameter, vertical connection via 3 pins