![]() | Costs less than one set of batteries!Bat'ry Gard has invented and patented a locking device for the battery compartment of calculators, CBL's and the new LabPro. This prevents battery theft from these devices. Stealing a calculator, with Bat'ry Gard installed would be of no value since one cannot use a calculator with dead batteries. Bat 30 or Bat 100 for calculators made before Dec 1999. See details below.
For newer 83 & 83+ calculators and the CBL & LabPro:
For 84+ calculators:
A "Removal Tool" is required for installation and removal. One tool is recommended for each teacher using the device.
If you are using Bat'ry Gard on a CBL, CBL2 or LabPro; they are also different but are the same price as the Bat 30 plus & Bat 100 plus but to order:
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Since Dec 1999, Texas Instruments has changed the battery compartment on its TI-83+ calculators. Check the date code on the back (use the first four of the last 5 numbers - eg. 05981 is May 1998). If your calculator is a TI-83+ and the date is 0999 or later, order the Bat 30 plus or the Bat 100 plus.
Bat'ry GardTM is a trade mark of © CCS Educational Inc 1999. Patent Pending