[Plugin] BatteryStat: consumed → charged for charging (#6646)

Closes <https://github.com/koreader/koreader/issues/6057>.

plugins/batterystat.koplugin/main.lua

@@ -79,8 +79,9 @@ local function shorten(number)
     return string.format("%.2f", number);
 end
 
-function Usage:dump(kv_pairs)
-    table.insert(kv_pairs, {INDENTATION .. _("Consumed %"), shorten(self.percentage)})
+function Usage:dump(kv_pairs, id)
+    local name = id or _("Consumed %")
+    table.insert(kv_pairs, {INDENTATION .. name, shorten(self.percentage)})
     table.insert(kv_pairs, {INDENTATION .. _("Total time"), util.secondsToHClock(self.time, true, true)})
     table.insert(kv_pairs, {INDENTATION .. _("% per hour"), shorten(self:percentagePerHour())})
 end
@@ -254,7 +255,7 @@ function BatteryStat:dump()
     self.sleeping:dump(kv_pairs)
     self.sleeping:dumpRemaining(kv_pairs)
     table.insert(kv_pairs, {_("During last charge"), ""})
-    self.charging:dump(kv_pairs)
+    self.charging:dump(kv_pairs, _("Charged %"))
     self.charging:dumpCharging(kv_pairs)
     table.insert(kv_pairs, {_("Since last charge"), ""})
     self.discharging:dump(kv_pairs)