The Battery Cap with DC Jack is an essential accessory for powering various electronic devices, including Arduinos, development boards, and evaluation boards. It features a standard 5.5 x 2.1mm DC jack and is crafted from excellent materials with fine workmanship. This 9V battery buckle is environmentally friendly and designed for convenience, allowing you to connect a 9V battery to any device requiring 9V power through an onboard barrel jack. The cap has T-fonts with red and black connecting lines, ensuring a secure and straightforward connection.
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