【10 Pack 18650 4-Cell Battery Holder Value Set】 – This bulk pack includes 10 pieces of premium 4 Slot 18650 Battery Holder Cases, providing an economical solution for DIY power bank projects, Arduino robotics, LED lighting arrays, and custom 3.7V lithium battery pack builds. Each unit securely holds 4 x 18650 cells in a parallel configuration. 【Easy PCB Mount & Soldering Design】 – Equipped with durable PC pin base terminals, these 18650 parallel battery holders are specifically designed for direct PCB mount installation or free soldering connections. The flat pin layout allows for easy integration into circuit boards, making this 18650 battery box ideal for electronics prototyping and permanent rechargeable battery tray applications. 【Superior Contact & Battery Replacement】 – Unlike unre.
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