4 pcs AAA to AA Size Battery Converter Sleeve


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Reduce the weight of any AA battery operated devices such as a wireless mouse by using an AAA battery with this Battery Converter Sleeve which weigh just 8 grams. Not only does it lighten your load, but it also means that you only have to keep a reserve of AAA size battery instead of multiple sizes. This saves cost especially if you are using re-chargeable batteries which are more costly to purchase. 

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  • Innovative Battery Adapters -The battery sleeve adapter is a unique and innovative tool that makes AAA batteries fit into AA ones. It makes any gadget less demanding to use!
  • Lightweight, portable Design – It features a compact and lightweight design, so weighs lighter than the typical AA battery it still functions as one. Now you can finish your work faster!
  • You can use this anywhere! – This product is not only suitable when working, but it’s perfect for emergency situations too! So every time you don’t have AA batteries, just use this!
  • Durable and Long-lasting – The battery sleeve adapter is made from a high-quality and durable PP material. It makes the product resistant to wear and damages for a long time!


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Due to OVERWHELMING DEMAND, please allow at least 3-4 weeks for delivery.



Package Includes:

  • 4 x  AAA to AA Size Battery Converter Sleeve



  • Material: PP
  • Size: 14 mm
  • Weight: 8 g