Below are the available bulk discount rates for each individual item when you purchase a certain amount
This battery holder can be used as a stand alone power supply or it can be attached with a couple of screws to any project. Fully compatible with the metal chassis from Parallax robots.
It can fit 5 AA batteries, for an output of 7.5V for standard and alkaline batteries and 6V for most rechargeable batteries (with an usual 1.2V per battery).
The barrel jack is a 2.1 mm center-positive plug which fits most educational boards from SimplyTronics, Parallax and Arduino.
Cable length is approximatelly 10" (25 cm)