【2-Pack DIY 21700 Battery Holders】 Includes two modular storage brackets (2x4 slot each), designed for flat-top 21700 lithium batteries, allowing flexible configuration for energy storage and power applications.
【Tool-Free Assembly - No Welding Required】 Features a screw-based connection system with M3 pure copper contacts, ensuring low internal resistance for efficient power transfer, eliminating the need for soldering.
【Durable PC+ABS Fireproof Housing (V0 Rated)】 Made from high-strength PC+ABS plastic, ensuring excellent durability, heat resistance, and safety for extended use.
【Wide Application & Reusable Design】 Ideal for portable power banks, solar storage, experimental energy setups, and custom battery packs. The modular design allows quick assembly, modification, and disassembly.