After homemade completed and it is necessary to put it into operation, batteries will be required. And for more practical and comfortable use - rechargeable batteries.
BTY-5-3000 Green rechargeable Ni-MH batteries are individually packaged in 4 pieces. Size - AA. Voltage - 1.2 V. Capacity 3000 mA. The number of charges - up to 1000. Manufacturer - BTY. The standard size of the battery allows charging in all universal chargers. They can be used in digital cameras, various control panels, metal detectors, flashlights, children's toys and other products.
Cost: ~ 98