18650 Battery Holder Wire Leads – All 18650 battery case holder with leads, they are tinned wire end, the black and red two wire design is great for easily soldering and connecting. Wire Length: approx 5.1inch. Multipurpose Battery Case Holder – 18650 battery holder with soldering pins is designed for 3.7V 18650 rechargeable batteries,Case for rechargeable battery; Simple DIY recharge …