APPLICATION:These battery boxes are suitable for electronic DIY, LED lighting power supply, low voltage electrical equipment, remote control, quartz clock, wireless keyboard, electronic calculators, doorbell, etc.ADVANTAGES:1. Using tough material, high strength, good toughness, not easy to crack.2. The battery is fixed by a stainless steel spring. It is very convenient to install and replace the battery.PACKAGE CONTENT:Fit for: 4 x 3.7V 18650 BatteryCable Length(Each): 15cm/ 5.9 inchTotal Size: 80mm x 76mm x 20mm(L*W*H)2 Pack of Battery HolderNOTE:The batteries are not included; Please do not connect the positive and negative directions.
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