SDTC Tech 8-Pack 3.7V 18650 Battery Holder with Soldering Pins 1/2/3/4 Slot Black Plastic Battery Case Kit for DIY Parallel or Series Circuit PCB Projects(2 Per Size)

18650 Battery Holder Kit with Soldering Pins used for electronic experiment projects, PCB Parallel or Series circuit, also can be directly inserted into the circuit board for soldering. Feature: 1. With nickel-plated copper conductor contacts to ensure good conductivity. 2. With Pins, used for DIY connecting or soldering. Specification: Material: ABS plastic shell, nickel-plated copper conductor Color: black 1-Slot Battery Holder: 77.7 * 20.9 * 21.3 mm 2-Slot Battery Holder: 77.7 * 40.2 * 21.5 mm 3-Slot Battery Holder: 77.7 * 59.7 * 21.5 mm 4-Slot Battery Holder: 77.7 * 79 * 21.5 mm Package Includes: 2 pcs 1x 18650 Battery Case 2 pcs 2x 18650 Battery Case 2 pcs 3x 18650 Battery Case 2 pcs 4x 18650 Battery Case