Description
CELL HOLDER 21700 (3×4) – High-Quality 21700 Lithium-Ion Battery Pack Holder for DIY and Industrial Use
The CELL HOLDER 21700 (3×4) is a premium-grade, flame-retardant ABS plastic battery holder designed to securely house 12 pieces of 21700 lithium-ion cells in a 3×4 configuration. Built for maximum safety, heat resistance, and stability, it ensures perfect cell alignment and protection against short circuits, making it ideal for DIY battery pack builders, EV manufacturers, robotics engineers, and energy storage system developers.
With its snap-in modular design, this 21700 battery pack holder makes battery assembly fast, efficient, and professional. The rigid, heat-resistant frame prevents vibration, mechanical stress, and overheating—ensuring your batteries stay safe even under heavy load conditions.
Perfect for electric bikes, power tools, solar energy systems, and portable battery banks, this holder helps create high-capacity, organized, and long-lasting 21700 Li-ion battery packs with minimal effort.
Key Benefits & Features
- Holds 12 x 21700 cells in a 3×4 layout, ideal for medium-capacity packs
- Made from durable, flame-retardant ABS plastic for safety and long service life
- Snap-lock design allows quick assembly, replacement, and maintenance
- Provides proper cell spacing for efficient cooling and safe operation
- Prevents short circuits, vibration damage, and heat buildup
- Compatible with nickel strips and battery management systems (BMS)
- Perfect for DIY and professional battery assembly projects
Ideal For
- DIY Battery Pack Builders – Create custom 21700 lithium-ion packs easily
- Electric Vehicles & E-Bikes – Power modules for scooters, bikes, and mobility devices
- Solar Energy Storage Systems – Build compact, modular ESS units for home or industrial setups
- Power Tools – Ideal for cordless tools, drills, and high-discharge applications
- Robotics & Automation Projects – Reliable structure for high-current systems





