Battery Holder Case Clip Box for 1X 18650 3.7V Li-Ion Battery w/ Leads – Envistia Mall
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Amazon.com: 2S 18650 Battery Holder Case Box with 6" Wire Leads for 2X 18650 (8V) Li-Ion Batteries by Envistia Mall : Electronics
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Battery Holder Case Clip Box for 4X 18650 15V Li-Ion Batteries w/ Leads – Envistia Mall