4 Slot 18650 Series-Parallel Li Battery Box Power Bank Cases Battery Slot Holder Storage Case，Black Plastic Batteries Case for 18650 Battery

Package Includes:: 1 x 4pcs 18650 series-parallel battery box

• This lithium battery box is designed with 4 slots for 18650 batteries, featuring KF8500-8.5 terminals integrated into a PCB board. The design allows for hassle-free installation and removal without soldering, using just a screwdriver to secure wiring. This provides a seamless experience for both beginners and professionals handling battery packs.
• Enhanced Capacity and Voltage Management：By using the 4 parallel connection method, the battery box maintains voltage while quadrupling capacity. Alternatively, the two parallel followed by two series configuration doubles both capacity and voltage. Such customization ensures that your power bank aligns precisely with your energy requirements, maximizing efficiency and functionality.
• Flexible Wiring Options for Custom Setups：Our battery holder supports versatile configurations, allowing batteries to be connected in series or parallel. You can set up configurations like 4 in series, 4 in parallel, or mixed setups like 2 in series followed by parallel. This flexibility lets you tailor the power bank to specific voltage and capacity needs, ensuring optimal performance for various applications.
• User-Friendly Design for Secure Connections：Each battery slot is individually linked to the terminals, ensuring secure and independent connections. With a focus on safety, the design requires consistent wire thickness when connecting in series and parallel. The 3mm mounting holes further facilitate secure installations, enhancing reliability during use.
• 4-cell 18650 battery box with KF8500-8.5 terminal block integrated into a PCB board, convenient for 18650 battery installation and removal and battery positive and negative wiring, directly on the terminal block with a screwdriver to tighten and loosen the wires, no need to solder the wires to the PCB board，Easy to combine various specifications through the PCB pads, and you can expand the combination without limitations, play your own creativity, each battery connection point is reserved for 2 pads for the protection board or equalization board voltage acquisition，Dimensions: Length 106mm/4.17in; Width 89mm/3.5in; Mounting holes: 3mm/0.12in.