diff --git a/Required-Materials.md b/Required-Materials.md
index 21ac46c..1f353aa 100644
--- a/Required-Materials.md
+++ b/Required-Materials.md
@@ -9,7 +9,7 @@ This wiki contains tutorials that demonstrate how to configure, program, and ope
 | Javascript-enabled web browser (Google Chrome is the <br/>recommended browser). | <img src="https://github.com/FIRST-Tech-Challenge/WikiSupport/blob/master/ftc_app/images/ChromeBrowser.jpg"  width="150"> |
 | If you are using a smartphone as your Robot Controller, <br/>you will also need a REV Robotics Expansion Hub <br/>(REV-31-1153) to connect to the motors, servos, <br/>and sensors. Control Hub users will use the integrated <br/>Expansion Hub. | <img src="https://github.com/FIRST-Tech-Challenge/WikiSupport/blob/master/ftc_app/images/ExpansionHub.jpg"  width="150"> |
 | REV Robotics Switch, Cable, & Bracket (REV-31-1387). | <img src="https://github.com/FIRST-Tech-Challenge/WikiSupport/blob/master/ftc_app/images/REVSwitch.jpg"  width="100"> |
-| REV Robotics Tamiya to XT30 Adapter Cable (REV-31-1382). | <img src="https://github.com/FIRST-Tech-Challenge/WikiSupport/blob/master/ftc_app/images/TamiyaAdapter.jpg"  width="100"> |
+| If you are using an approved 12V battery that has an Tamiya <br/>connector (like the Tetrix W39057 battery) you will need a <br/>REV Robotics Tamiya to XT30 Adapter Cable (REV-31-1382). <br/><br/>If you have a REV Robotics Slim Battery (REV-31-1302) then <br/>you will not need this adapter since the REV battery <br/>already has an XT30 connector. | <img src="https://github.com/FIRST-Tech-Challenge/WikiSupport/blob/master/ftc_app/images/TamiyaAdapter.jpg"  width="100"> |
 | _FIRST_-approved* 12V Battery (such as Tetrix W39057).<br/><br/><sub><sup>***For a list of _FIRST_-approved 12V batteries, refer to the current FTC Game Manual Part 1, rule \<RE03\>.**</sub></sup> | <img src="https://github.com/FIRST-Tech-Challenge/WikiSupport/blob/master/ftc_app/images/Battery.jpg"  width="100"> |
 | _FIRST_-approved* 12V DC Motor (such as Tetrix W39530, <br/>with power cable W41352). <br/><br/><sub><sup>***For a list of _FIRST_-approved 12V motors, refer to the current FTC Game Manual Part 1, rule \<RE09\>.**</sub></sup>  | <img src="https://github.com/FIRST-Tech-Challenge/WikiSupport/blob/master/ftc_app/images/MotorAndCable.jpg"  width="175"> |
 | REV Robotics Anderson to JST VH Cable (REV-31-1381).  | <img src="https://github.com/FIRST-Tech-Challenge/WikiSupport/blob/master/ftc_app/images/AndersonToJST.jpg"  width="125"> |