diff --git a/lib/devices/gateway/voltage.js b/lib/devices/gateway/voltage.js index e347dff..406d5b9 100644 --- a/lib/devices/gateway/voltage.js +++ b/lib/devices/gateway/voltage.js @@ -19,7 +19,7 @@ module.exports = Thing.mixin(Parent => class extends Parent.with(BatteryLevel) { propertyUpdated(key, value, oldValue) { if(key === 'voltage' && value) { - this.updateBatteryLevel((value - VOLTAGE_MIN) / (VOLTAGE_MAX - VOLTAGE_MIN) * 100); + this.updateBatteryLevel(Number((value - VOLTAGE_MIN) / (VOLTAGE_MAX - VOLTAGE_MIN) * 100).toFixed(2)); } super.propertyUpdated(key, value, oldValue);