The Double-A Battery Connectors with 2 slot hard-shell AA battery holders are designed for safely and easily connecting any AA batteries. Featuring heavy-duty insulated connectors and wires, these holders ensure a stable and secure connection for various applications. Each pack includes 2 pieces, making it ideal for DIY electronics, toys, flashlights, and more. These durable hard-shell connectors are UL Listed and RoHS Compliant, ensuring a safe, reliable solution for all your power needs. The universal design is compatible with all AA batteries, making it suitable for a wide range of devices, including remote controls, LED projects, motorized toys, and cameras. Whether you're creating custom circuits or replacing connectors, these battery holders provide long-lasting performance.