Bestol 20pcs 4x5 Cell Battery Spacer 18650 Battery Radiating Shell Pack Plastic Heat Holder Bracket

Specification: Makes your battery pack Solid and Reliable Can fit 20x 18650 batteries Lightweight and durable Material: ABS Plastic Size: approx. 8 x 10 x 0.8cm/3.15" x 3.94" x 0.31" Color: Black Package included: 20pcs 4x5 Cell Battery Spacer 18650 Battery Radiating Shell Pack Plastic Heat Holder Bracket(Battery Not Included) Note: Please allow 1-10mm deviation due to manual measurement. Due to light and screen difference, the item's color may be slightly different from the pictures.