Large capacity battery box - Battery holder specially designed for storing batteries, battery case can hold 269+ different types of battery pack and BT168 battery tester for aaa, aa, c, d, 9v, can hold 84*AAA, 78*AA, 12*D, 12*C, 12*9V, 14*AAAA, 6*CR2, 12*CR123, 10*4LR44, 5*23A, 6*18650 and 18pcs button batteries. Battery storage organizer keep batteries organized and stored neatly, a good battery pro organizer and tester for home improvement items.(Boxes Only, batteries not included) Double-sided design AA battery storage case - The Batteries tool box organizer can hold 18650 battery on both sides to save storage space. The front side is upright storage, and the back side is horizontal storage. Suitable size compartments and clearance, through repeated tests, even the battery boxes full of batteries variety pack on both sides, do not worry about the lid can not closing properly. Rigid plastic slots of battery keeper - Compared with most of sponge slots on the market, our ba