Sony VTC5A 18650 Battery (Authentic) High Drain FREE Battery case included
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High Current 18650 Battery Box Holder Slot Case for DIY Projects – No Soldering Needed, Brass Contacts, Transparent Cover, Interlocking Design, 6-Pack (1 Slot Each), PC+ABS Material – Bistook
Battery Contact Cylindrical Clip PC Pin for 18650 battery - Pack of 2 | eBay
Amazon.com: HAHIYO 18650 1 Slot Battery Holder Clip Storage Case Copper Good Contacts 3.7V DIY Charging Power Not Leak Secure Snug Hold Wide Tab Easy Solder Remove for Circuit PCB SMT Parallel
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Battery: Rechargeable Lithium Ion 18650 Raised Positive - AE LIGHT
1S1P 3.6V (3.7V) 3500mAh 10A 18650 Battery with Wire Leads - LG MJ1 ce – Liion Wholesale Batteries