我們接受加密貨幣付款 — 讓您持有的幣種也能買到真正的硬體設備。以加密貨幣付款，直接購入真正的硬體設備。 全球訂單滿 US$399，即享免費保險運送。簡約外箱，不印任何品牌標誌，從德國出貨。訂單滿 US$399，即享免費保險運送。 結帳一開始，您的匯率即鎖定 30 分鐘。匯率鎖定 30 分鐘。 每件商品皆原廠密封、序號經過核對，並享有 24 個月保固。原廠密封，保固 24 個月。

追蹤清單 登入
Rectangular black plastic case with rubber gasket, screw ears, toggle switch and cable

Adafruit

Adafruit Waterproof 3xAA Battery Holder 50mm 36g

SKU CH-EE4B-KAEF4

Holds three AA cells in a waterproof case with a rubber gasket, captive screws and a sealed on/off switch for 4.5 V output

  • TypePrototyping Products
  • Waterproof construction with rubber gasket protects batteries in wet conditions
  • Holds three AA cells delivering approximately 4.5 V for portable projects
  • Potted power switch and rubber-boot on/off switch resist moisture ingress
  • Captive hex-nuts and four machine screws allow repeated assembly and disassembly
  • 150 mm lead cable provides flexible wiring without polarity markings

Waterproof 3xAA Battery Holder

This holder accepts three AA cells and provides roughly 4.5 V for portable projects. A rubber gasket and four machine screws seal the case against moisture. The potted switch and rubber-boot toggle resist water ingress. It suits outdoor sensors, wearable prototypes or any build needing a protected power source.

Upgrade from open battery packs

Open trays expose contacts to rain, splashes or condensation and can short unexpectedly. This enclosure adds a gasketed seal and a covered switch so the circuit stays dry. The jump is worth it when the project lives outside, on a vehicle or in humid environments where bare holders fail quickly.

Simple screw-together assembly

The two halves join with four captive hex nuts and machine screws, allowing repeated opening without lost hardware. A 150 mm lead exits the case ready for soldering or connectors. The wires carry no polarity markings, so verify orientation with a multimeter before powering the load. Over-tightening the screws can compress the gasket unevenly and compromise the seal.

商品特色

  • Waterproof construction with rubber gasket protects batteries in wet conditions
  • Holds three AA cells delivering approximately 4.5 V for portable projects
  • Potted power switch and rubber-boot on/off switch resist moisture ingress
  • Captive hex-nuts and four machine screws allow repeated assembly and disassembly
  • 150 mm lead cable provides flexible wiring without polarity markings

商品規格

TypePrototyping Products

商品問答

What are the overall dimensions of the battery holder including the machine screw ears?

The case measures 63 mm long, 77 mm wide and 20 mm deep when the screw ears are included.

How is the on/off switch mounted and what is the common assembly mistake?

The switch is potted into the case with a rubber boot; the error is tightening the four machine screws before the gasket is fully seated, which can break the seal.

When should the rubber gasket be inspected or replaced to keep the holder waterproof?

Check the gasket each time the case is opened and replace it if it shows cracks, flattening or debris that would prevent a tight seal.

同類商品

顧客也比較過

同一分類，同一套結帳流程 — 支援八種加密貨幣，匯率鎖定 30 分鐘。