For battery cells, review the product description for real-world current recommendations, testing notes, and application guidance. Manufacturer maximum ratings should be treated as limits, not the best target for long-term pack health.
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.
Orders ship from Florida when inventory is available. Lithium-ion cells require proper handling, protected packs, correct chargers, and safe storage. Do not solder directly to battery terminals.
Payment and Security
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Let customers speak for us
Wow, these cells are great!
I purchased some of these tabless cells to try on my 1S 3" HD Toothpick drone build, and, albeit a bit heavy for 1S, it flies pretty well. Not a freestyle monster, but an endurance beast with decent send. These cells shrug off the demands of a BETAFPV Matrix HD AIO flight controller/12A ESC and some 1202.5 11000KV motors. I'm getting 15+ minutes of speedy flight time from a single cell trying not to go below 3.2V, and about 20+ minutes cruising. Love these cells and will definitely buy more when time comes, only from DIY500AMP, who are terrific!
VN in AZ
EVE 30PL 18650 3000mAh 60A Battery Cell - Tabless
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