Description
Optimize your battery pack construction with this 3P Battery Spacer for 21700 Cells – 21.7mm. Designed for precision alignment and secure cell spacing, this high-quality plastic spacer is ideal for DIY battery builders, EV pack designers, and energy storage enthusiasts working with 21700 lithium-ion cells.
This 3-cell parallel spacer is specifically sized at 21.7mm, making it a perfect fit for most China-manufactured cells, including models from trusted brands like Lishen. While Lishen’s LR2170LA uses 21.2mm spacing, all other Lishen models are fully compatible with this 21.7mm version.
- Perfect Fit for 21700 Cells: Sized for 21.7mm diameter cells – ideal for Lishen and similar batteries
- Sturdy & Durable: Made from heat-resistant, impact-tolerant plastic for safe and stable cell alignment
- Efficient Cell Management: Helps maintain proper spacing and airflow to prevent overheating
- Ideal for DIY Builds: Great for assembling 3P battery modules for e-bikes, powerwalls, and custom battery packs
- Reliable Compatibility: Supports a wide range of 21700 lithium-ion cells from Chinese manufacturers
Whether you're building a large battery pack or replacing an existing cell array, this 3P 21700 battery holder spacer offers dependable spacing for better structure, ventilation, and safety.