Specification

Supported Battery Type: 18650 Li-ion cells
Cell Capacity: Fits 21 pcs (3S7P or custom configuration)
Output Voltage: 12.6V (for 3S battery pack)
Terminal Type: Heavy-duty metal terminals
Material: High-quality ABS plastic
Color Options: Blue and Green
Cover Type: Snap-fit protective lid
Usage: DIY battery pack enclosure
Heat Resistance: Stable under charging load
Approx Weight: 180g


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Description

This 12V 18650 Battery Pack Case is designed for building custom lithium battery packs. It supports up to 21 pieces of 18650 cells and is ideal for 3S 12.6V battery configurations. Made from durable ABS plastic with strong metal terminals, it ensures safe, organized, and professional-looking battery assembly. Perfect for DIY power banks, solar projects, UPS systems, and portable battery packs.


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Application

DIY 12V battery pack
Solar power projects
Portable UPS systems
Electric tools and kits
Custom power bank builds

Specification

Supported Battery Type: 18650 Li-ion cells
Cell Capacity: Fits 21 pcs (3S7P or custom configuration)
Output Voltage: 12.6V (for 3S battery pack)
Terminal Type: Heavy-duty metal terminals
Material: High-quality ABS plastic
Color Options: Blue and Green
Cover Type: Snap-fit protective lid
Usage: DIY battery pack enclosure
Heat Resistance: Stable under charging load
Approx Weight: 180g


---

Description

This 12V 18650 Battery Pack Case is designed for building custom lithium battery packs. It supports up to 21 pieces of 18650 cells and is ideal for 3S 12.6V battery configurations. Made from durable ABS plastic with strong metal terminals, it ensures safe, organized, and professional-looking battery assembly. Perfect for DIY power banks, solar projects, UPS systems, and portable battery packs.


---

Application

DIY 12V battery pack
Solar power projects
Portable UPS systems
Electric tools and kits
Custom power bank builds