9V 9-Volt Battery Holder Black with Cover and ON/OFF Switch with 2.1mm DC plug center negative

适用场景 (Applicable scenarios)

• 无人机整机装机与备件替换
• 射频 / 微波系统集成：测试测量、通信基站、雷达与卫星链路

核心参数 (Core specifications)

• 价格 / Price：1.30 USD
• Manufacturer：100 Electronics
• Wire Length：200mm (7.874 inches )
• External Diameter of jack：5.5mm
• Internal Diameter of jack：2.1mm.
• Body Length：68mm
• Body Width：33mm
• Body Height：22mm
• 9V

竞品对比 (Competitor comparison)

• 本站现价 1.30 USD；同级竞品报价需商家提供后补全
• 可核对型号 SKU：NULL，便于与竞品逐项对照
• 已公开 8 项量化参数（见上节），可直接与竞品同参数比较
• 待商家补充：原厂/第三方参考价与差异结论

常见问题 (FAQ)

9V 9-Volt Battery Holder Black with Cover and ON/OFF Switch with 2.1mm DC plug center negative 多少钱？ / How much does it cost?

9V 9-Volt Battery Holder Black with Cover and ON/OFF Switch with 2.1mm DC plug center negative 现价 1.30 USD，库存状态：有货。

9V 9-Volt Battery Holder Black with Cover and ON/OFF Switch with 2.1mm DC plug center negative 的 SKU / 型号是什么？ / What is the SKU?

SKU：NULL。

9V 9-Volt Battery Holder Black with Cover and ON/OFF Switch with 2.1mm DC plug center negative 的核心参数有哪些？ / What are the key specifications?

Manufacturer：100 Electronics；Wire Length：200mm (7.874 inches )；External Diameter of jack：5.5mm；Internal Diameter of jack：2.1mm.；Body Length：68mm；Body Width：33mm。

9V 9-Volt Battery Holder Black with Cover and ON/OFF Switch with 2.1mm DC plug center negative 属于哪个类目？ / Which category is it in?

类目：Connectors & Sockets。

9V 9-Volt Battery Holder Black with Cover and ON/OFF Switch with 2.1mm DC plug center negative 适合哪些使用场景？ / What is it used for?

RF switch / relay 相关场景：无人机整机装机与备件替换、射频 / 微波系统集成：测试测量、通信基站、雷达与卫星链路。