Features!100% Brand new!3V 4.5V 6V AAA 18650 battery holder case box with cover and ON/OFF switch. New generic battery storage case box for easy power solutions. Ideal for electronics applications and DIY projects.!Adopts impact resistant & flame-retardant ABS and copper, professional made, safe and durable, lightweight and convenient to carry. Keep your rechargeable batteries organized and protected.!The wire leads with tinned wire ends are easy to solder and connect. Red and black color for easy identification of polarity.!Convenient to install and replace battery. Slide the cover to open and close.!DIY extension. You can connect multiple holders and batteries in parallel to form a new power supply system.!Applications: Toys, electronic DIY, bread board power supply, LED lighting power supply, low voltage electrical equipment, remote control, radio, quartz clock, wireless keyboard, calculators, doorbell, tape machine, flashlight, game handle, etc.!!Specifications!Material: ABS plastic, metal!Terminal Type: Wire leads!With ON/OFF Switch: Yes!Battery Type: For AAA /18650 /9V PP3 battery!Case Color: Black!Size: Approx.!For AAA, 2 Slots: 3V (2x1.5V), case size 63x30x16mm, wire length 150mm!For AAA, 3 Slots: 4.5V (3x1.5V), case size 63x32x16mm, wire length 150mm!For AAA, 4 Slots: 6V (4x1.5V), case size 62x48x16mm, wire length 150mm!For 18650, 2 Slots: 7.4V (2x3.7V), case size 89x42x22mmm, wire length 150mm!For 9V PP3, 1 Slot: 9V, case size 70x33x20mm, wire length 140mm!!Attentions!1. Please allow tiny size deviations due to human measurement.!2. Do not separate, maintain or modify the product.!3. The wire is thin, and this product is only suitable for small current loads. Do not connect it to loads that draw large currents, and stop using the product if the wires are hot.!4. When using this product, please pay attention to the heat of the battery, and do not charge the inferior battery.!5. The PP3 9V battery case comes with a screwdriver.!!Package Included!1 x Battery Case