diff --git a/lib/battery.js b/lib/battery.js
index 6bd5eb6..7780633 100644
--- a/lib/battery.js
+++ b/lib/battery.js
@@ -220,8 +220,8 @@ module.exports = function (callback) {
               // let parts = data.results[0].split(/\n\s*\n/);
               let parts = data.results[0].split('\r\n');
               let batteries = [];
+              const hasValue = value => /\S/.test(value);
               for (let i = 0; i < parts.length; i++) {
-                const hasValue = value => /\S/.test(value);
                 if (hasValue(parts[i]) && (!batteries.length || !hasValue(parts[i - 1]))) {
                   batteries.push([]);
                 }