diff --git a/Documentation/devicetree/bindings/power/supply/battery.txt b/Documentation/devicetree/bindings/power/supply/battery.txt
index f4d3b4a10b43e284fecfbbe0571260d8b0e1b9cc..938d02785da2bfc7481aec6ff171d9ef61e35037 100644
--- a/Documentation/devicetree/bindings/power/supply/battery.txt
+++ b/Documentation/devicetree/bindings/power/supply/battery.txt
@@ -22,6 +22,7 @@ Optional Properties:
  - charge-term-current-microamp: current for charge termination phase
  - constant-charge-current-max-microamp: maximum constant input current
  - constant-charge-voltage-max-microvolt: maximum constant input voltage
+ - factory-internal-resistance-micro-ohms: battery factory internal resistance
 
 Battery properties are named, where possible, for the corresponding
 elements in enum power_supply_property, defined in
@@ -42,6 +43,7 @@ Example:
 		charge-term-current-microamp = <128000>;
 		constant-charge-current-max-microamp = <900000>;
 		constant-charge-voltage-max-microvolt = <4200000>;
+		factory-internal-resistance-micro-ohms = <250000>;
 	};
 
 	charger: charger@11 {