Streamline your battery building projects with this 2P Battery Spacer for 21700 Cells – 21.7mm, engineered for precise alignment and secure fitment. Designed specifically for DIY battery pack assemblies, this durable plastic spacer is compatible with most China-manufactured 21700 lithium-ion cells, including popular Lishen models.

With a 21.7mm diameter, this spacer is a reliable choice for all Lishen models except the LR2170LA (which requires 21.2mm). Perfect for creating stable and well-ventilated 2-parallel cell arrangements in electric bikes, power tools, solar energy storage, and more.

• Precise 21.7mm Fit: Ideal for most Lishen and Chinese-made 21700 cells (excluding LR2170LA)
• Durable Build: Crafted from high-strength plastic for stability, safety, and long-term use
• Efficient Cell Spacing: Supports airflow and thermal management in battery assemblies
• Versatile Applications: Perfect for DIY battery packs, EV modules, and portable energy systems
• 2-Cell Configuration: Designed to hold two 21700 cells in parallel securely and evenly

Build smarter with this dependable 2P 21700 battery holder spacer—your go-to solution for reliable cell alignment and modular battery construction.