General description Suitable for DIY combination of imported batteries, this professional battery holder replaces traditional adhesive methods, providing a convenient combination and firmer connection for easier battery maintenance. The 18650 type is essential for high-end battery combinations, offering high fall resistance, strong support, and effective heat dissipation. Technical specifications Material: ABS Plastic + Polycarbonate Size: 100 x 80 mm Pore size: 18.4 mm Color: Black Combination: 4 x 5 cells Measurement allowed error: +/- 1-3 cm Other information Package includes: 30 x Lithium Battery Plastic Holder Note: Light reflection and different displays may cause the color of the item to differ slightly from the actual product.