- Durable Construction: Crafted from high-quality ABS and PC materials, these battery holders provide robust support for your 21700 battery packs, ensuring reliability and longevity. - Secure Battery Retention: Designed specifically for 2 x 3 configuration of 21700 batteries, these plastic frame holders keep your batteries securely in place, preventing accidental slips or damage during use. - Easy Installation: Featuring a hole distance of 75 mm and a center distance of 22.5 mm, these holders are engineered for straightforward installation and compatibility with your battery packs, saving you time and hassle. - Versatile Applications: Ideal for a variety of devices and equipment requiring 21700 batteries, these battery stands can be utilized in flashlights, power tools, and electronic gadgets, making them a practical choice for everyday use. - Enhanced Performance: Experience peace of mind knowing your batteries are held firmly, minimizing the risk of malfunction due to loose connections or movement. Upgrade your setup with these reliable battery holders, designed to enhance your device's performance and extend the life of your 21700 batteries.