diff --git a/lib/converters/zigbee2mqtt.js b/lib/converters/zigbee2mqtt.js
index 2fc2cecd..bab3a6f3 100644
--- a/lib/converters/zigbee2mqtt.js
+++ b/lib/converters/zigbee2mqtt.js
@@ -5,7 +5,7 @@ const clickLookup = {
     4: 'quadruple',
 }
 
-const battery = {
+const battery3V = {
     min: 2500,
     max: 3000,
 }
@@ -58,7 +58,7 @@ const parsers = [
             }
 
             if (voltage) {
-                return {battery: toPercentage(voltage, battery.min, battery.max)}
+                return {battery: toPercentage(voltage, battery3V.min, battery3V.max)}
             }
         }
     },