Package Contains: 12 pieces of single AA cell battery holder with leads and 3 pieces of battery storage box. Size : length 57MM* width 17MM* height 13MM .
The single AA battery holder with leads is made of ABS plastic, keep the batteries in place safely, the spring is made of steel and ferrite. Suitable for 1.5V AA battery.
The plastic battery holder for AA battery is equipped with 1 red and 1 black tinned copper wires, which are about 14 cm in length.
The 1.5V battery holder has springs that is durable enough to fix the battery on the contacts, avoiding loosening or falling.
Multipurpose battery case: Simple DIY recharge power supply is nice for micro-controllers, LED projects, toys, and it can also replaces broken battery holders for many electronic devices.