diff --git a/500And650.md b/500And650.md
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--- a/500And650.md
+++ b/500And650.md
@@ -25,6 +25,7 @@
 ## Battery
 
 * [Electro and Company](https://www.electroandcompany.com/batteries) has a few to choose from
+  * [The 24ah pack](https://www.electroandcompany.com/product-page/72v-24ah-li-ion-battery) has a 20s5p 21700 [tesla cell](https://www.batemo.de/products/batemo-cell-library/tesla-model-3/) configuration.
 * [Greenway 48v battery](https://www.ebay.com/itm/255278257722)
 * [50a battery](https://www.amazon.com/gp/product/B07V9LFNZK/ref=ppx_yo_dt_b_asin_title_o09_s00?ie=UTF8&th=1)
   * The charger sucks