diff --git a/robots/mini_quadrotor/config/Battery.yaml b/robots/mini_quadrotor/config/Battery.yaml
index a10fb2fe8..707e78ec5 100644
--- a/robots/mini_quadrotor/config/Battery.yaml
+++ b/robots/mini_quadrotor/config/Battery.yaml
@@ -1,5 +1,5 @@
 bat_info:
         bat_cell: 3
-        bat_resistance: 0.06 # [m Ohm]
+        bat_resistance: 0.05 # [m Ohm]
         hovering_current: 22 #[A]
         low_voltage_thre: 6 #[100%]