Plastic battery holder that supports 4 AA batteries for easy connection to circuits.
Capacity: 4x AA batteries
Material: Plastic and metal contacts
Output: Wire leads
Holder for assembling 3 batteries
Price: 20 EGP
Holder for assembling 2 batteries
Price: 26 EGP
3A step-down voltage regulator for powering circuits
Price: 30 EGP
1A Lithium battery charging board with protection
Price: 12 EGP