diff --git a/docs/en/hat/hat-8servos.md b/docs/en/hat/hat-8servos.md
index 9df77959..fcf2aedc 100644
--- a/docs/en/hat/hat-8servos.md
+++ b/docs/en/hat/hat-8servos.md
@@ -25,7 +25,7 @@
## Include
- 1x 8Servos-HAT
-- 1x 16340 battery(750mAh)
+- 1x 16340 battery(700mAh)
## Specification
diff --git a/docs/en/hat/hat-joyc.md b/docs/en/hat/hat-joyc.md
index a6dac1a5..b6040d65 100644
--- a/docs/en/hat/hat-joyc.md
+++ b/docs/en/hat/hat-joyc.md
@@ -13,13 +13,12 @@
- STM32F030F4 inside
- communication protocol: I2C (address: 0x38)
- support omni-directional movement/button press
-- Dimension：200mm x 55mm x 50mm
-- Weight：81g(include 750mAh Battery)
+
## Include
- 1x JoyC
-- 1x 16340 Battery
+- 1x 16340 700mAh Battery
## Applications
@@ -43,7 +42,7 @@
| Product Size |
- 100*55*50mm |
+ 200*55*50mm |
| Package Size |
diff --git a/docs/en/hat/hat-powerc.md b/docs/en/hat/hat-powerc.md
index 43c9d55c..a5f10d95 100644
--- a/docs/en/hat/hat-powerc.md
+++ b/docs/en/hat/hat-powerc.md
@@ -26,7 +26,7 @@
## Include
-- 1x PowerC HAT(include battery 2 * 750mAh)
+- 1x PowerC HAT(include battery 2 * 700mAh)
## Specification
diff --git a/docs/en/hat/hat-puppyc.md b/docs/en/hat/hat-puppyc.md
index 01c73c12..db08c937 100644
--- a/docs/en/hat/hat-puppyc.md
+++ b/docs/en/hat/hat-puppyc.md
@@ -33,7 +33,7 @@ It walks slowly and is easy to control.Due to the small contact area, the moveme
## Include
- 1x PuppyC base
-- 1x 16340 Battery(750mAh)
+- 1x 16340 Battery(700mAh)
- 4x SG90 Servo
## Specification
diff --git a/docs/en/hat/hat-roverc.md b/docs/en/hat/hat-roverc.md
index 3781d043..2ce34c65 100644
--- a/docs/en/hat/hat-roverc.md
+++ b/docs/en/hat/hat-roverc.md
@@ -19,7 +19,7 @@
- Four-channel motor driver
- LEGO compatible
- Extra Grove ports for expansion
-- Equipped with 18350(900mAh) battery holder
+- Equipped with 18350(700mAh) battery holder
- Flexible movement in all directions
- Size: 75mm * 75mm * 55mm
- Weight：213g(include Battery)
diff --git a/docs/zh_CN/app/balac.md b/docs/zh_CN/app/balac.md
index 91c60f88..fba69bcb 100644
--- a/docs/zh_CN/app/balac.md
+++ b/docs/zh_CN/app/balac.md
@@ -30,7 +30,7 @@
- 2x 橡皮筋
- 2x 螺丝
- 1x 内六角扳手
-- 1x 16340 电池
+- 1x 16340 700mAh电池
- 1x 10cm Type-C Cable
## 应用
diff --git a/docs/zh_CN/hat/hat-8servos.md b/docs/zh_CN/hat/hat-8servos.md
index 3c53f5f4..09a40b86 100644
--- a/docs/zh_CN/hat/hat-8servos.md
+++ b/docs/zh_CN/hat/hat-8servos.md
@@ -24,7 +24,7 @@
## 包含
- 1x 8Servos-HAT
-- 1x 16340电池(750mAh)
+- 1x 16340电池(700mAh)
## 规格参数
diff --git a/docs/zh_CN/hat/hat-joyc.md b/docs/zh_CN/hat/hat-joyc.md
index 8c9a2205..9e07ddcb 100644
--- a/docs/zh_CN/hat/hat-joyc.md
+++ b/docs/zh_CN/hat/hat-joyc.md
@@ -17,7 +17,7 @@
## 包含
- 1x JoyC
-- 1x 16340电池(750mAh)
+- 1x 16340电池(700mAh)
## 应用
diff --git a/docs/zh_CN/hat/hat-powerc.md b/docs/zh_CN/hat/hat-powerc.md
index 526431e8..83637c8e 100644
--- a/docs/zh_CN/hat/hat-powerc.md
+++ b/docs/zh_CN/hat/hat-powerc.md
@@ -17,7 +17,7 @@
## 包含
-- 1x PowerC（含电池 2*750mAh）
+- 1x PowerC（含电池 2*700mAh）
## 应用
diff --git a/docs/zh_CN/hat/hat-puppyc.md b/docs/zh_CN/hat/hat-puppyc.md
index 06b871dc..aca95186 100644
--- a/docs/zh_CN/hat/hat-puppyc.md
+++ b/docs/zh_CN/hat/hat-puppyc.md
@@ -26,7 +26,7 @@ PuppyC底座需要结合M5StickC控制器使用，StickC编程后通过I2C协议
## 包含
- 1x PuppyC 底座
-- 1x 16340 电池（750mAh)
+- 1x 16340 电池（700mAh)
- 4x SG90 舵机
## 规格参数
diff --git a/docs/zh_CN/hat/hat-roverc.md b/docs/zh_CN/hat/hat-roverc.md
index b3c77aba..c98a7b70 100644
--- a/docs/zh_CN/hat/hat-roverc.md
+++ b/docs/zh_CN/hat/hat-roverc.md
@@ -6,7 +6,7 @@
## 描述
-**RoverC**是一款兼容M5StickC的可编程麦克纳姆轮全向移动机器人底座，只需插入M5StickC即可启动.主控芯片为STM32F030F4，4路N20蜗杆减速电机由电机驱动器直驱，带动麦克纳姆轮进行全向移动.此外，提供2个兼容Grove的I2C连接座方便扩展其他模块.底座兼容乐高孔，可以在结构上对其进行拓展.底座的背面装有18350(900mAh)电池，并由独立开关控制，满足小车的动力和续航需求.
+**RoverC**是一款兼容M5StickC的可编程麦克纳姆轮全向移动机器人底座，只需插入M5StickC即可启动.主控芯片为STM32F030F4，4路N20蜗杆减速电机由电机驱动器直驱，带动麦克纳姆轮进行全向移动.此外，提供2个兼容Grove的I2C连接座方便扩展其他模块.底座兼容乐高孔，可以在结构上对其进行拓展.底座的背面装有18350(700mAh)电池，并由独立开关控制，满足小车的动力和续航需求.
