10pcs 4 Slots AA Battery Box Battery Holder Board with Switch for 4xAA Batteries DIY kit Case

Specifications: ? Support Model : AA Battery Shell material: ABS? Cable: 1007# (150mm) Metal spring: carbon steel nickel plating by NCAA salt spray test, stainless steel spring. Size: 70*64.5*18.5 mm ? Package Included: ? 10 x 4 Slots AA Battery Holder Plastic Case Storage Box