diff --git a/README.md b/README.md
index f044e46..d6e61e2 100644
--- a/README.md
+++ b/README.md
@@ -174,14 +174,5 @@
 
 6. **If all the above are invalid, please flash the factory firmware for quick verification, please check [here](./firmware/README.MD)**
 7. **Can I use an external 5V pin for power? Please see here [issues/205](https://github.com/Xinyuan-LilyGO/T-Display-S3/issues/205)**
+9. The default charging current is set at 500mA per hour. If you need to adjust the charging current, please see this [issue](https://github.com/Xinyuan-LilyGO/T-Display-S3/issues/230)
 
-9. Battery Model
-    
-   Q: **What battery model to choose？**
-
-   A: **Please choose the size of the 3.7V Li-Po battery which is**
-
-   **less than thick: 7mm, wide: 18mm and long: 50mm**
-   
-   ![image1](./image/image2.jpg)
-   ![image1](./image/image1.jpg)