12V 7Ah Battery Case Holder with BMS & Nickel Strips – Fits 18650 Cells (3x7 Layout) | DIY Battery Pack Organizer for Power Tools
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Color
Black
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Description
Build your own reliable 12V battery pack with this all-in-one battery case kit. Designed for 18650 cells in a 3x7 layout (21 cells total), this case includes dual holders, nickel strips, and a BMS pre-installed or included—everything you ne...