Battery Type 2 AA batteries, 2x 1.5V AA batteries.
Battery Holder Switch Function AA battery holder with ON/OFF switch
Wire Leads 2 AA battery holder with wire leads, tinned wire end; Wire Length 5.7"/14.5cm; Cable Diameter(count in the PVC isolation around the wire) 0.0393"/1mm; Cable Color red and black, 2AA Batter Case Size2.708" x 1.34" x 0.708"/6.88cm x 3.4cm x 1.8cm(L*W*H).
You can use this case with your own battery to form power system supply; Case for rechargeable battery; Simple DIY recharge power supply.
Package 6 Pcs 2 AA X 1.5V battery holder and 6 Pcs Screw Cap