- Made of high quality plastic, keep the batteries in place safely, the spring is made of steel and ferrite.
- Battery Type: 4 x 3.7V 18650 battery；Material: Durable plastic and metal.
- Metallic spring for easy install and convenient for electric circuit DIY work.
- Great items for keeping your standard or rechargeable batteries together and safe.
- Durable enough springs hold batteries to the contacts without any loosening, these parts will be the best partner of your daily use.
The battery holder case with high quality pins.
Metallic spring with pin design for easy install and convenient for electric circuit DIY work.
Great for use in electronics applications and small hobby projects, overall performance fine.
Easily to put the batteries in the box, keeping your 18650 batteries inside and safe to form a power supply.
Battery Type: 4 x 3.7V 18650 Battery
Material: Plastic and Metal
Size: 7.85 x 7.7 x 2.1cm
4 x 4 slots 18650 Battery Holder