Tag Archives: protective caps,battery case

July 28, 2023

Upgraded and Enhanced: The Spliceable 21700 Battery Box with Concave-Convex Protective Caps

Introduction: In the world of DIY electronics and portable power solutions, the spliceable 21700 battery box has received a significant upgrade. The latest enhancement focuses on the protection aspect, ensuring the safe and reliable operation of the battery box. In this article, we will delve into the details of this exciting upgrade, specifically the addition […]

Battery holder
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