This battery case can hold 4 x AA batteries that can be used as power supply for your electronic circuits. Combined with some AA batteries, it is a perfect power source for outdoor environments and small robots. See description for more details about the product. Add to cart now!
This battery case can hold 2 x 18650 3.7 V batteries, making it convenient for use as an external power supply for your projects. Attention! Parallel connection! The markings on the product are for serial communication, however, the product should be parallel connected to avoid damage!See description for more details about the product. Add to cart now!