Main Features:
● Battery holder box for 6PCS AA size batteries.
● This battery holder can hold AA standard size 6 batteries， either for alkalescent or rechargeable batteries.
● This battery holder can be make to 9V battery output(1.5V x 6 =9V).
● Perfect external power source for single chip microcomputer system， Arduino system， 2WD mobile robot， track-seeking car， RP5 tracked vehicle.