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 need to jumpstart your DIY power project.
What’s Included:
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1x 12V 7Ah ABS Battery Case
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2x Cell Holders (3x7 configuration)
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4x Nickel Strips
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1x 3S BMS Board (Battery Management System)
Highlights:
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Designed for 18650 lithium-ion cells
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Integrated BMS for protection and balanced charging
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High-quality nickel strips for easy spot welding
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Rugged ABS enclosure with multiple color options
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Ideal for DIY power banks, e-bikes, solar storage, and tools
Specifications:
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Cell Configuration: 3S (3x7 layout = 21 cells)
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Internal Dimensions: 146mm x 60mm x 80mm
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External Dimensions: 150mm x 65mm x 94mm
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Material: ABS
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Supported Cells: 18650 (unprotected, flat top)
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Colors Available: Black, Green, Yellow, Blue
Note:
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This is an empty case—batteries are not included
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Slight measurement and color variations may occur due to lighting or display settings.
DIY500AMP.COM Design – Built for DIYers, Makers, and Battery Builders.
Looking for tips or help assembling? Visit our support section or DIY video tutorials.